Download - Philips l03 Ss

Colour Television Chassis

Published by RB 0366 Service PaCE

©Copyright 2003 Philips Consumer E

All rights reserved. No part of this pu

retrieval system or transmitted, in any

mechanical, photocopying, or otherw

L03.1LAA

CL 36532044_000.eps020603

Contents Page1. Technical Specifications, Connections,

and Chassis Overview 22. Safety and Maintenance Instructions,

Warnings, and Notes 43. Directions for Use 64. Mechanical Instructions 155. Service Modes, Error Codes, and Faultfinding 166. Block Diagram, I2C, Supply Voltage, and

Testpoint OverviewsBlock Diagram 21I2C and Supply Voltage Overview 22Testpoint Overview Mono Carrier & CRT Panel 23

7. Electrical Diagrams and PWB’s Diagram PWBPower Supply (Diagram A1) 24 34-40Deflection (Diagram A2) 25 34-40Tuner IF (Diagram A3) 26 34-40Video Processing (Diagram A4) 27 34-40Audio Processing (Stereo + SAP) (Diagram A5) 28 34-40Audio Amp.+ Mono Sound Proc. (Diagram A6) 29 34-40Font I/O + Control + Headphone (Diagram A7) 30 34-40Rear I/O Cinch (Diagram A8) 31 34-40Diversity Table for A8 Rear I/O Cinch 32 34-40DVD Power Supply (Optional) (Diagram A9) 33 34-40CRT Panel (Diagram B1) 41 42Top Control Panel (Diagram E) 43 43

8. Alignments 459. Circuit Descriptions 53

Abbreviation List 56IC Data Sheets 58

10 Spare Parts List (not applicable yet) 5911 Revision List 60

Printed in the Netherlands Subject to modification EN 3122 785 13900

lectronics B.V. Eindhoven, The Netherlands.

blication may be reproduced, stored in a

form or by any means, electronic,

ise without the prior permission of Philips.

Technical Specifications, Connections, and Chassis OverviewEN 2 L03.1L AA1.

1. Technical Specifications, Connections, and Chassis Overview

1.1 Technical Specifications

1.1.1 Reception

Tuning system : PLLColour systems : NTSC M

: PAL M: PAL N

Sound systems : Mono, or: BTSC with SAP

A/V connections : NTSC M: PAL M: PAL N

Channel selections : 181 Presets/Channels

: Full-CableIF frequency : 45.75 MHzAerial input : 75 ohm (F type), Coax

1.1.2 Miscellaneous

Audio output : Mono: 3 W rms: Stereo: 2 x 3 W rms

Mains voltage : 90 - 276 V (± 10 %)Mains frequency : 50 / 60 Hz (± 5 %)Ambient temperature : + 5 to + 45 deg. CMinimum air pressure : 60 kPa (=600 mBar)Maximum humidity : 90 %Power consumption : 36 W (14”) to

: 50 W (21”)Standby Power consumption : < 3 W

1.2 Connections

1.2.1 Front Connections and Front / Top Control

Figure 1-1 Front Connections.

Headphone1 - Headphone,

3.5 mm 8 - 600 Ω / 4 mW

Audio / Video In2 - Video 1 Vpp / 75 ohm 3 - Audio Mono 0.2 V rms / 10 kohm

1.2.2 Rear Connections

Figure 1-2 Rear Connections.

Monitor Out1 - Video 1 Vpp / 75 ohm

2 - Audio L (0.5 Vrms / 1 kohm) 3 - Audio R (0.5 Vrms / 1 kohm)

AV1 In (YUV)1 - Y 0.7 Vpp / 75 ohm 2 - U 0.7 Vpp / 75 ohm

3 - V 0.7 Vpp / 75 ohm

AV1 In4 - Video 1 Vpp / 75 ohm

5 - Audio L (0.5 Vrms / 10 kohm)

6 - Audio R (0.5 V rms / 10 kohm)

INSTALL MENU

- VOLUME +

LED IR LED

VIDEO

AUDIO

- VOLUME +

CHANNEL

INSTALL/MENU

TOP CONTROL

CL36532044.019.eps060603

V+V-

P-

P+

MONITOROUT

AV1IN

AV1 INCVIAVout

CL36532044_020.eps200603

V

L

R

Y

U

V

V

L

R

75 Ohm ANT.

Technical Specifications, Connections, and Chassis Overview EN 3L03.1L AA 1.

1.3 Chassis Overview

Figure 1-3 Chassis overview

B1

MAINCHASSIS

PANEL

A1

E

A2

A3

A4

A8

POWER SUPPLY

TOP CONTROL PANEL

LINE DEFLECTION

A5

AUDIO AMP + MONO SOUND PROC.

TUNER IF

VIDEO PROCESSING

FRONT I/O + FRONT CONTROL+ HEADPHONE

AUDIO PROCESSING (STEREO +SAP)

REAR I/O CINCH

DVD POWER SUPPLY A9

CL 36532044_021.eps020603

CRT PANEL

A6

A7

Safety and Maintenance Instructions, Warnings, and NotesEN 4 L03.1L AA2.

2. Safety and Maintenance Instructions, Warnings, and Notes

Index of this chapter:1. Safety Instructions for Repairs2. Maintenance Instructions3. Warnings4. Notes

2.1 Safety Instructions for Repairs

Safety regulations require that during a repair:• Due to the 'hot' parts of this chassis, the set must be

connected to the AC power via an isolation transformer.• Safety components, indicated by the symbol , should be

replaced by components identical to the original ones.• When replacing the CRT, safety goggles must be worn. Safety regulations require that after a repair, the set must be returned in its original condition. Pay particular attention to the following points:• General repair instruction: as a strict precaution, we advise

you to resolder the solder connections through which the horizontal deflection current is flowing, in particular:– all pins of the line output transformer (LOT)– fly-back capacitor(s)– S-correction capacitor(s)– line output transistor– pins of the connector with wires to the deflection coil– other components through which the deflection current

flows.Note: This resoldering is advised to prevent bad connections due to metal fatigue in solder connections and is therefore only necessary for television sets more than two years old.• Route the wire trees and EHT cable correctly and secure

them with the mounted cable clamps.• Check the insulation of the AC power cord for external

damage.• Check the strain relief of the AC power cord for proper

function, to prevent the cord from touching the CRT, hot components, or heat sinks.

• Check the electrical DC resistance between the AC plug and the secondary side (only for sets that have an isolated power supply). Do this as follows:1. Unplug the AC power cord and connect a wire between

the two pins of the AC plug.2. Turn on the main power switch (keep the AC power

cord unplugged!).3. Measure the resistance value between the pins of the

AC plug and the metal shielding of the tuner or the aerial connection of the set. The reading should be between 4.5 MOhm and 12 MOhm.

4. Switch the TV 'off' and remove the wire between the two pins of the AC plug.

• Check the cabinet for defects, to prevent the possibility of the customer touching any internal parts.

2.2 Maintenance Instructions

It is recommended to have a maintenance inspection carried out by qualified service personnel. The interval depends on the usage conditions:• When the set is used under normal circumstances, for

example in a living room, the recommended interval is three to five years.

• When the set is used in an environment with higher dust, grease or moisture levels, for example in a kitchen, the recommended interval is one year.

• The maintenance inspection includes the following actions:1. Perform the 'general repair instruction' noted above.2. Clean the power supply and deflection circuitry on the

chassis.

3. Clean the picture tube panel and the neck of the picture tube.

2.3 Warnings

• In order to prevent damage to ICs and transistors, avoid all high voltage flashovers. In order to prevent damage to the picture tube, use the method shown in Fig. 2-1, to discharge the picture tube. Use a high voltage probe and a multi-meter (position Vdc). Discharge until the meter reading is 0 V (after approx. 30 s).

Figure 2-1 Discharge picture tube

• All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD ). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tools also at this potential.

• Available ESD protection equipment:– Complete kit ESD3 (small tablemat, wristband,

connection box, extension cable, and ground cable) 4822 310 10671.

– Wristband tester 4822 344 13999.• Together with the deflection unit and any multi-pole unit,

flat square picture tubes form an integrated unit. The deflection and the multi-pole units are set optimally at the factory. Adjustment of this unit during repair is therefore not recommended.

• Be careful during measurements in the high voltage section and on the picture tube.

• Never replace modules or other components while the unit is switched 'on'.

• When you align the set, use plastic rather than metal tools. This will prevent any short circuits and the danger of a circuit becoming unstable.

2.4 Notes

2.4.1 General

• Measure the voltages and waveforms with regard to the chassis (= tuner) ground (), or hot ground (), depending on the area of circuitry being tested.

• The voltages and waveforms shown in the diagrams are indicative. Measure them in the Service Default Mode (see “Service Modes, Error Codes, and Faultfinding” section) with a color bar signal and stereo sound (L: 3 kHz, R: 1 kHz unless stated otherwise) and picture carrier at 61.25 MHz (NTSC, channel 3).

• Where necessary, measure the waveforms and voltages with () and without () aerial signal. Measure the voltages in the power supply section both in normal operation () and in standby (). These values are indicated by means of the appropriate symbols.

V

CL96532156_040.eps140501

Safety and Maintenance Instructions, Warnings, and Notes EN 5L03.1L AA 2.

• The picture tube panel has printed spark gaps. Each spark gap is connected between an electrode of the picture tube and the Aquadag coating.

• The semiconductors indicated in the circuit diagram and in the parts lists are completely interchangeable per position with the semiconductors in the unit, irrespective of the type indication on these semiconductors.

2.4.2 Schematic Notes

• All Resistor values are in ohms and the value multiplier is often used to indicate the decimal point location (e.g. 2K2 indicates 2.2 kOhm).

• Resistor values with no multiplier may be indicated with either an 'E' or an 'R' (e.g. 220E or 220R indicates 220 Ohm).

• All Capacitor values are expressed in Micro-Farads (µ = x10-6), Nano-Farads (n = x10-9), or Pico-Farads(p = x10-12).

• Capacitor values may also use the value multiplier as the decimal point indication (e.g. 2p2 indicates 2.2 pF).

• An 'asterisk' (*) indicates component usage varies. Refer to the diversity tables for the correct values.

• The correct component values are listed in the Electrical Replacement Parts List. Therefore, always check this list when there is any doubt.

2.4.3 Practical Service Precautions

• It makes sense to avoid exposure to electrical shock. While some sources are expected to have a possible dangerous impact, others of quite high potential are of limited current and are sometimes held in less regard.

• Always respect voltages. While some may not be dangerous in themselves, they can cause unexpected reactions - reactions that are best avoided. Before reaching into a powered TV set, it is best to test the high voltage insulation. It is easy to do, and is a good service precaution.

• Before powering up the TV set with the back cover off (or on a test fixture), attach a clip lead to the CRT DAG ground and to a screwdriver blade that has a well insulated handle. After the TV is powered on and high voltage has developed, probe the anode lead with the blade, starting at the case of the High Voltage Transformer (flyback - IFT). Move the blade to within two inches of the connector of the CRT. If there is an arc, you found it the easy way, without getting a shock! If there is an arc to the screwdriver blade, replace the part which is causing the problem; the High Voltage Transformer or the lead (if it is removable).

Directions for UseEN 6 L03.1L AA3.

3. Directions for Use

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3 4 5 6 7 9 21202 22

2S

urr

ou

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un

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cred

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roun

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–A

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to se

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atia

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nd a

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ono

whe

n tr

ansm

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in m

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mod

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3A

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utt

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elec

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e A

V c

hann

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4S

mar

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re B

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on

Pres

s th

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art

Pict

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on r

epea

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diff

eren

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pes

of p

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ettin

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ndch

oose

you

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sire

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ttin

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51O

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bu

tto

nA

llow

s yo

u to

dis

play

the

cur

rent

cha

nnel

num

ber.

It a

lso

allo

ws

to e

xit

men

u fr

om t

he s

cree

n af

ter

cont

rol a

djus

tmen

ts.

61C

urs

or

Rig

ht

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tto

nA

llow

s yo

u to

acc

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the

sub-

men

us a

nd a

djus

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e se

ttin

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71F

orm

at B

utt

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you

to a

cces

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e di

ffere

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cree

n fo

rmat

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efer

to

sect

ion

on “

Usi

ng t

he F

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at F

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8C

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you

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elec

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e ne

xt it

em o

n th

e m

enu.

9C

han

nel

+ /

– B

utt

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sA

llow

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u to

sel

ect

chan

nels

in a

scen

ding

or

desc

endi

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20

Mu

te B

utt

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Mut

es s

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rest

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ton

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21D

igit

(0

-9)

Allo

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nnel

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or a

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igit

num

ber,

the

seco

nd d

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t be

ent

ered

bef

ore

the

“–”

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appe

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22C

C (

Clo

sed

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tion

)A

llow

s yo

u th

e he

arin

g im

paire

d to

rea

d th

e vo

ice

cont

ent

of t

elev

isio

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ogra

ms

whe

n “O

N”

opto

nis

sele

cted

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sele

ct y

our

desi

red

capt

ion

mod

e,re

fer

to s

ectio

n on

“U

sing

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Clo

sed

Cap

tion”

23


11

AC

CE

SS

ING

TH

E IN

ST

AL

LA

TIO

N M

EN

U

Pres

s b

uton

to

ente

r m

ain

men

u. P

ress

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utto

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sel

ect

Inst

all a

nd

pres

s b

utto

n to

ent

er t

he s

ub-m

enu

to a

cces

s th

e di

ffere

nt fu

ntio

ns.

Lan

guag

e:

The

Lan

guag

e fe

atur

e al

low

s yo

u to

set

the

TV

’s on

-scr

een

men

u to

be

show

n in

you

r de

sire

d la

ngua

ge.

Pres

s C

urs

or

Rig

ht

or C

urs

or

Lef

t bu

tton

to

sele

ct t

hela

ngua

ge (

En

glis

h,E

spañ

ol o

r Po

rtu

guês

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you

r ch

oice

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Sys

tem

:T

his

feat

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allo

ws

you

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elec

t yo

ur d

esir

ed s

yste

m (

Aut

o, N

TSC

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L-M

or

PAL-

N).

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s C

urs

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Rig

ht

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urs

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Lef

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tton

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sele

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hesy

stem

(A

uto

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L-M

or P

AL

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of y

our

choi

ce.

Tu

ner

Mo

de

:In

the

Tun

er M

ode

optio

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ou c

an s

elec

t Aut

o, C

able

or

Aut

o as

you

rch

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for

the

TV

rec

eptio

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ess

Cu

rso

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igh

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rso

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eft

butt

on t

o se

lect

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mod

eA

uto

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nte

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a or

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Au

to P

rogr

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s fe

atur

e al

low

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u to

tun

e th

e ch

anne

ls a

utom

atic

ally

Pres

s C

urs

or

Rig

ht

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urs

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t bu

tton

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atic

tun

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of c

hann

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s O

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top

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o Pr

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m.

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Language

English

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System

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Auto Program

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Channel Editœ

OSD

MEN

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10

AC

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SS

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TH

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AIN

ME

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UB-M

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The

mai

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ture

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und,

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stal

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w t

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pera

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cred

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13

Pres

s b

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men

u. P

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o

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sel

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Pic

ture

and

pres

s b

utto

n to

ent

er t

he P

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re m

enu.

AD

JUS

TIN

GT

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ICT

UR

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o

Brightnessp

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Sharpness

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Color Temp œ

Picture

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p

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Format

œ

The

Pic

ture

men

u al

low

s yo

u to

mak

e ad

just

men

ts t

o th

e pi

ctur

e.

Pres

s C

urs

or

Rig

ht

or C

urs

or

Lef

t bu

tton

to

adju

st le

vel o

r se

lect

des

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set

ting

. OSD

Pres

s O

SD

butt

on t

o ex

it m

enu

from

scr

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Pic

ture

men

u it

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Act

ivit

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Brig

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crea

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in p

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tIn

crea

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tens

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his

func

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nly

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r N

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tra

nsm

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Col

or t

empe

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hoos

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om 3

set

tings

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al,W

arm

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oo

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tras

t +

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ct “

On”

to

allo

w y

ou t

o op

timis

e th

e to

tal c

ontr

ast

for

impr

oved

pic

ture

qua

lity.

Form

atA

llow

s yo

u a

choi

ce o

f diff

eren

t fo

rmat

s fo

r yo

ur v

iew

ing

plea

sure

, nam

ely,

4:3

and

Exp

and

4:3

(Ref

erto

sec

tion

on “

Usi

ng t

he S

cree

n Fo

rmat

”).

OSD

MEN

U

12

Pres

s b

uton

to

ente

r m

ain

men

u. P

ress

o

r b

utto

n to

sel

ect

Inst

all a

nd

pres

s b

utto

n to

ent

er t

he s

ub-m

enu

to a

cces

s th

e di

ffere

nt fu

ntio

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......

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CC

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GT

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ME

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Manual

o

Fine Tune

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Install

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Language

English

É

System

Tuner Mode

Auto Program

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Channel Editœ

OSD

MEN

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Man

ual

:T

his

feat

ure

allo

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you

to a

djus

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cept

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in a

rea

of w

eak

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ne)

rece

ptio

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s C

urs

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ht

butt

on t

oen

ter

Fin

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men

u.

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ct t

he c

hann

el y

ou w

ant

toad

just

by

the

Dig

it (0

- 9

) bu

tton

.

Pres

s C

urs

or

Rig

ht

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urs

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Lef

tbu

tton

to

star

t fin

e tu

ning

.Fi

ne t

une

chan

nel u

ntil

desi

red

and

soun

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obt

aine

d.Se

lect

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re.

Pres

s C

urs

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ht

butt

on t

o st

ore

tune

d ch

anne

l.

Pres

s M

EN

U b

utto

n to

ret

urn

to in

stal

l men

u.

Ch

ann

el E

dit

:T

his

feat

ure

allo

ws

you

to s

kip

or e

dit

chan

nels

whi

ch h

ave

bad

or e

wea

kT

V s

igna

l or

chan

nels

tha

t yo

u do

not

wat

ch o

ften

. No

te :

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e a

chan

nel

is s

kipp

ed, y

ou c

anno

t ac

cess

the

cha

nnel

by

the

Cha

nnel

+ o

r –

butt

on.

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can

only

acc

ess

it by

the

Dig

it (0

- 9

) bu

tton

s

Pres

s C

urs

or

Rig

ht

butt

on t

oen

ter

Ch

ann

el E

dit

men

u.

Sele

ct t

he c

hann

el y

ou w

ant

tosk

ip b

y th

e D

igit

(0 -

9)

butt

on.

Pres

s C

urs

or

Dow

nbu

tton

to

sele

ct S

kip

ped

.Pr

ess

the

Cu

rso

r R

igh

t bu

tton

to

sele

ct O

n o

ptio

n to

ski

pch

anne

l.

OSD

Pres

s O

SD

but

ton

to e

xit

men

u fr

om s

cree

n.

Channel Edit

o

Channel No

Skipped

On

œ


15

AC

TIV

AT

ING

TH

E T

IME

R F

UN

CT

ION

Pres

s b

uton

to

ente

r m

ain

men

u. P

ress

o

r b

utto

n to

sel

ect

Feat

ure

s

and

pres

s bu

tton

to

ente

r th

e Fe

atu

res

men

u.

The

Tim

er fe

atur

e al

low

s yo

u to

set

the

tim

er t

o sw

itch

to a

noth

er c

hann

el a

t a

spec

ified

time

whi

le y

ou a

re w

atch

ing

anot

her

chan

nel o

r w

hen

the

TV

is o

n st

andb

y m

ode.

No

te :

For

the

timer

to

func

tion,

the

set

mus

t no

t be

sw

itche

d of

f. O

nce

the

set

is s

witc

hed

off,

the

timer

is d

isab

led.

Pres

s C

urs

or

Rig

ht

butt

on t

o en

ter

the

Tim

erm

enu.

Tim

e:

Use

the

Dig

it (

0 -9

) bu

tton

s to

key

in t

he c

urre

nt t

ime

to e

nabl

e th

efu

nctio

ning

of t

he T

imer

men

u.

Sta

rt T

ime

:U

se t

he D

igit

(0

-9)

butt

ons

to k

ey in

the

tim

e yo

u w

ant

the

prog

ram

to

be s

witc

hed

on.

Sto

p T

ime

:U

se t

he D

igit

(0

-9)

butt

ons

to k

ey in

the

tim

e yo

u w

ant

the

prog

ram

to

be s

witc

hed

off.

Ch

ann

el N

o:

Use

the

Dig

it (

0 -9

) bu

tton

s to

key

in t

he c

hann

el n

umbe

r.

Act

ivat

e:

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the

Cu

rso

r R

igh

t or

Lef

t bu

tton

s to

sel

ect

betw

een

On

cean

dD

aily

mod

e an

d ac

tiver

the

tim

er.

Dis

pla

y:

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the

Cu

rso

r R

igh

t or

Lef

t bu

tton

s to

sel

ect

On

opt

ion

todi

spla

y th

e cu

rren

t tim

e on

the

scr

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Features

o

Timer

πTime

Active Control

Start Time

Closed Cap

Stop Time

Volume limiter

Channel

Signal Strength

Activate

Display

œ

Timer

o

Time

π08:30

Start Time

Stop Time

Channel No.

Activate

Display

œ

OSD

MEN

U

14

Pres

s b

uton

to

ente

r m

ain

men

u. P

ress

o

r b

utto

n to

sel

ect

So

un

d a

nd

pres

s b

utto

n to

ent

er t

he S

ou

nd

men

u.

The

Sou

nd m

enu

allo

ws

you

to m

ake

adju

stm

ents

to

the

pict

ure.

Pres

s C

urs

or

Rig

ht

or C

urs

or

Lef

t bu

tton

to

adju

st le

vel o

r se

lect

des

ired

set

ting.

OSD

Pres

s O

SD

butt

on t

o ex

it m

enu

from

scr

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AD

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Sound

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un

d m

enu

item

sA

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itie

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igh

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vel.

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low

freq

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vel.

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decr

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to

adju

st b

alan

ce le

vel.

AV

L (A

uto

Volu

me

Leve

ller)

Sele

ct “

On”

opt

ion

to e

nabl

e vo

lum

e to

rem

ain

at a

pre-

dete

rmin

ed le

vel s

houl

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ere

be a

sud

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chan

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volu

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duri

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omm

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reak

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cha

nnel

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itchi

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Incr

edib

le S

urro

und

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ws

you

to s

elec

t In

cred

ible

Sur

roun

d so

und

and

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eow

hen

tran

smis

sion

is in

ste

reo

mod

e. A

lso

allo

ws

you

tose

lect

bet

wee

n Sp

atia

l and

Mon

o so

und

whe

n tr

ansm

issi

onis

in m

ono

mod

e.

Ultr

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lect

“O

n” o

ptio

n to

enj

oy e

nhan

ced

bass

out

put.

Soun

dA

llow

s yo

u to

sel

ect

betw

een

Ster

eo, M

ono

and

SAP.

SAP

optio

n al

low

s yo

u to

sel

ect

up t

o 2

diffe

rent

lang

uage

s in

sim

ulta

neou

s tr

ansm

issi

on w

hen

prog

ram

istr

ansm

itted

in S

AP

mod

e. If

a S

AP

sign

al is

not

pre

sent

with

a s

elec

ted

prog

ram

the

SA

P op

tion

will

not

be

avai

labl

e. A

fter

wat

chin

g a

prog

ram

with

SA

P m

ode

and

you

deci

ded

to s

witc

h to

ano

ther

cha

nnel

, the

SA

P m

ode

will

be

switc

hed

off i

f you

sw

itch

back

to

the

prev

ious

chan

nel (

with

SA

P). Y

ou h

ave

to r

esel

ect

the

SAP

optio

n.N

ote

: If

Ster

eo is

not

pre

sent

on

a se

lect

ed s

how

onl

yM

ON

O in

dica

tion

will

app

ear

on s

cree

n.

OSD

MEN

U


17

The

Sig

nal S

tren

gth

feat

ure

allo

ws

to v

iew

the

sig

nal s

tren

gth

leve

l whe

n th

e O

n op

tion

isse

lect

ed. T

he s

igna

l str

engt

h le

vel w

ill b

e in

dica

ted

at t

he b

otto

m o

f the

scr

een

whe

neve

r yo

usw

itch

chan

nel.

Pres

s th

e C

urs

or

Rig

ht

butt

on t

o se

lect

On

optio

n to

act

ivat

e th

e Si

gnal

Str

engt

h m

ode.

No

te:

Whe

n si

gnal

str

engt

h is

poo

r, yo

u ca

n pr

ocee

d to

the

Act

ive

Con

trol

feat

ure

in t

heFe

atur

e m

enu

and

sele

ct O

n o

ptio

n to

aut

omat

ical

ly a

djus

t se

ttin

gs fo

r op

timal

pict

ure

qual

ity (

Ref

er t

o se

ctio

n on

“U

sing

the

Act

ive

Con

trol

”).

Features

o

Time

r

Active C

trl

Closed C

ap

Volume Limiter

Signal Strength

On

œ

AC

TIV

AT

ING

TH

E S

IGN

AL S

TR

EN

GT

H F

EA

TU

RE

US

ING

TH

E F

OR

MA

T F

UN

CT

ION

In t

he P

ictu

re m

enu,

For

mat

func

tion

allo

ws

you

a ch

oice

of t

wo

form

ats

for

your

vie

win

gpl

easu

re, n

amel

y : -

4:3

, and

Exp

and

4:3

snd

Co

mpr

ess

16:9

.

Pres

s th

e C

urs

or

Rig

ht

or L

eft

butt

on t

o cy

cle

thro

ugh

the

vari

ous

scre

en fo

rmat

s an

d se

lect

the

form

at o

f you

r ch

oice

.

Whe

n to

use

the

Scr

een

Fo

rmat

s

4:3

form

atSe

lect

the

4:3

form

at if

you

wan

t to

dis

play

the

4:3

pict

ure

usin

g th

e fu

ll su

rfac

e of

the

scr

een.

Exp

and

4:3

form

atSe

lect

the

EX

PAN

D 4

:3 fo

rmat

if y

ou w

ant

to e

xpan

dm

ovie

imag

es r

ecor

ded

in t

he le

tter

box

form

at. W

hen

this

form

at is

sel

ecte

d, t

he b

lack

hor

izon

tal b

ars

at t

heto

p an

d bo

ttom

are

exp

ande

d th

us fi

lling

up

the

entir

eT

V s

cree

n.

No

te :

You

can

als

o ac

cess

the

scr

een

form

ats

dire

ctly

by

the

a

nd b

utto

ns.

Picture

o

Tint

Color Temp

Contrast +

Format

4:3

π

œ

16

AC

TIV

AT

ING

TH

E C

LO

SE

D C

AP

TIO

N F

UN

TIO

N

Clo

sed

Cap

tion

(CC

) al

low

s yo

u to

rea

d th

e vo

ice

cont

ent

of t

elev

isio

n pr

ogra

mm

es o

n th

e T

V.D

esig

ned

to h

elp

the

hear

ing

impa

ired

, thi

s fe

atur

e us

es o

n-sc

reen

“te

xt b

oxes

” to

sho

wdi

alog

ue a

nd c

onve

rsat

ions

whi

l;e t

he T

V p

rogr

amm

e is

in p

rogr

ess.

Pres

s th

e C

urs

or

Rig

ht

or L

eft

but

ton

to s

elec

t fr

om t

he v

ario

us C

lose

Cap

tion

mod

es(C

C O

ff, C

C1,

CC

2 or

CC

MU

TE

).

US

ING

TH

E A

CT

IVE C

ON

TR

OL

Thi

s fe

atur

e au

tom

atic

ally

adj

ust

sett

ings

for

optim

al p

ictu

re q

ualit

y co

ntin

uous

ly u

nder

any

sign

al c

ondi

tions

. To

activ

ate

the

Act

ive

Con

trol

feat

ure,

sel

ect

the

“ON

” op

tion

in t

he A

ctiv

eC

ontr

ol m

enu.

Pres

s th

e C

urs

or

Rig

ht

or L

eft

but

ton

to s

elec

tO

n op

tion

to a

ctiv

ate

Act

ive

Co

ntr

ol m

ode.

IfO

n +

Dis

pla

y op

tion

is s

elec

ted,

the

set

tings

of

Bri

ghtn

ess,

Co

ntr

ast,

Sh

arp

nes

s, C

on

tras

t +

and

No

ise

Red

uct

ion

will

be

disp

laye

d on

the

scre

en w

hen

the

set

is s

witc

hed

on o

r w

hen

you

switc

h to

ano

ther

cha

nnel

.

Features

o

Timer

Active Control

On

Closed Cap

Volume limiter

Signal Strength

œ

Features

o

Timer

Active Control

Closed C

apCC1

Volume Limiter

Signal Strength

œ

US

ING

TH

E V

OL

UM

E L

IMIT

ER F

UN

CT

ION

VOLVol

ume

Lim

iter

func

tion

allo

ws

you

to t

une

to y

our

desi

red

volu

me

leve

l for

all

chan

nels

man

ually

by

sele

ctin

g th

e “O

n” o

ptio

n in

the

Vol

ume

Lim

iter

men

u.

Pres

s th

e V

olu

me

+/–

but

ton

and

tune

you

rde

sire

d vo

lum

e le

vel.

Pres

s th

e C

urs

or

Rig

ht

butt

on t

o se

lect

On

optio

n to

act

ivat

e th

e Vo

lum

e Li

mite

r m

ode.

No

te :

Aft

er V

olum

e Li

mite

r “O

n” o

ptio

n is

sel

ecte

d, a

mes

sage

“V

olu

me

Lim

iter

Act

ivat

ed’ t

oget

her

your

desi

red

max

imum

Vo

lum

e le

vel w

ill a

ppea

r on

the

scre

en w

hene

ver

you

pres

sed

the

Vo

lum

e +

but

ton

toin

crea

se th

e vo

lum

e.

Vo

lume

Li

mite

r Ac

tiva

ted

Vo

lume

............

18

Features

o

Timer

Active Control

Closed C

ap

Volume Limiter

On

Signal Strength

œ


19

Belo

w is

a li

st o

f fre

quen

tly o

ccur

red

sym

ptom

s. Be

fore

you

cal

l for

ser

vice

, mak

e th

ese

sim

ple

chec

ks. S

ome

of t

hese

sym

ptom

s ca

n ea

sily

be

rect

ified

if y

ou k

now

wha

t to

do.

Sym

pto

mW

hat

you

sho

uld

do

Col

our

patc

h•

Switc

h of

f the

TV

by

the

mai

ns p

ower

but

ton.

Wai

t fo

r 20

(une

vene

ss)

min

utes

bef

ore

switc

hing

on

agai

n.•

Che

ck t

he T

V is

not

pla

ced

too

near

spe

aker

s or

mag

netic

obje

cts.

No

pow

er•

Che

ck t

he T

V’s

AC

pow

er c

ord

is p

lugg

ed in

to t

he m

ains

sock

et. I

f the

re is

stil

l no

pow

er, d

isco

nnec

t pl

ug. W

ait

for

60 s

econ

ds a

nd r

e-in

sert

plu

g. Sw

itch

on t

he T

V a

gain

.

No

pict

ure

•C

heck

the

ant

enna

con

nect

ion

at t

he r

ear

of t

he T

V.•

Poss

ible

TV

sta

tion

prob

lem

. Try

ano

ther

cha

nnel

.

Goo

d pi

ctur

e•

Try

incr

easi

ng t

he v

olum

e.bu

t no

sou

nd•

Che

ck t

hat

the

soun

d is

not

mut

ed. I

f it

is m

uted

, pre

ss t

heM

ute

but

ton

on t

he r

emot

e co

ntro

l to

rest

ore

soun

d.

Goo

d so

und

but

poor

•Tr

y in

crea

sing

the

con

tras

t an

d br

ight

ness

set

ting.

colo

ur o

r no

pic

ture

Snow

ish

pict

ure

and

•C

heck

ant

enna

con

nect

ion

at t

he r

ear

of t

he T

V.no

ise

Hor

izon

tal d

otte

d lin

es•

Poss

ible

ele

ctri

cal i

nter

fere

nce

e.g.

hair

drye

r, va

cuum

clea

ner,

etc.

Sw

itch

off a

pplia

nces

.

Dou

ble

imag

es o

r•

Poss

ible

poo

r po

sitio

ning

of a

nten

na. U

sing

a h

ighl

y “

Gho

st”

imag

esdi

rect

iona

lan

tenn

a m

ay im

prov

e re

cept

ion.

TV

not

res

pond

ing

to•

Che

ck li

fe s

pan

of b

atte

ries

of r

emot

e co

ntro

l han

dset

.re

mot

e co

ntro

l han

dset

•A

im r

emot

e co

ntro

l han

dset

dir

ectly

at

rem

ote

cont

rol

sens

or le

ns o

n th

e T

V.

BE

FO

RE C

AL

LIN

G S

ER

VIC

E

18

US

ING

TH

E S

MA

RT P

ICT

UR

E C

ON

TR

OL

Whe

ther

you

are

wat

chin

g a

mov

ie o

r vi

deo

gam

e, y

our T

V h

as a

utom

atic

vid

eo c

ontr

olse

ttin

gs m

atch

ed t

o yo

ur c

urre

nt p

rogr

am s

ourc

e or

con

tent

. The

Sm

art

Pict

ure

feat

ure

quic

kly

rese

ts y

our T

V’s

vide

o co

ntro

ls o

f pro

gram

for

a nu

mbe

r of

diff

eren

t ty

pes

of p

rogr

ams

and

view

ing

cond

ition

s yo

u m

ay h

ave

in y

our

hom

e. E

ach

Smar

t Pi

ctur

e se

ttin

g is

pre

set

at t

hefa

ctor

y to

aut

omat

ical

ly a

djus

t th

e T

V’s

Brig

htne

ss, C

olou

r, Pi

ctur

e an

d Sh

arpn

ess

leve

ls.

Pres

s bo

tton

rep

eate

dly

to c

ycle

thr

ough

the

5 s

ettin

gs n

amel

y, P

erso

nal

,Ric

h,

Nat

ura

l,S

oft

and

Mu

ltim

edia

and

sel

ect

your

des

ired

pic

ture

set

ting.

Def

inti

on

of P

ictu

re S

etti

ngs

PP

ers

on

al

:Pi

ctur

e se

ttin

gs a

re s

et t

o yo

ur p

refe

renc

e.R

ich

:Em

phas

ize

very

vib

rant

col

ours

. Thi

s se

ttin

g is

the

opt

imal

set

ting

whe

n yo

uar

e vi

ewin

g T

V p

rogr

amm

es in

a b

righ

tly-li

t ro

om.

Nat

ura

l:

Emph

asiz

e or

igin

al c

olou

rs.

So

ft:

Emph

asiz

e “s

oft”

col

ours

. (Su

itabl

e fo

r di

mly

-lit

room

con

ditio

n an

d gi

ves

cine

ma-

like

effe

ct w

hen

light

is s

witc

hed

off)

.M

ulti

med

ia:

Emph

asiz

e “w

arm

” co

lour

s. (S

uita

ble

for

play

ing

com

pute

r ga

mes

, sur

fing,

etc.

)

No

te :

The

Per

sona

l set

ting

is t

he s

ettin

g th

at y

ou s

et u

p us

ing

the

Pict

ure

men

u in

the

mai

nm

enu.

Thi

s is

the

onl

y se

ttin

g in

the

Sm

art

Pict

ure

sett

ings

tha

t ca

n be

cha

nged

. All

the

othe

rse

ttin

gs a

re p

re-s

et a

t th

e fa

ctor

y.

SMAR

T PI

CTUR

E

Whe

ther

you

are

wat

chin

g a

mov

ie o

r vi

deo

gam

e, y

our T

V h

as a

utom

atic

sou

nd c

ontr

olse

ttin

gs m

atch

ed t

o yo

ur c

urre

nt p

rogr

am s

ourc

e or

con

tent

. The

Sm

art

Soun

d fe

atur

e qu

ickl

yre

sets

you

r TV

’s so

und

cont

rols

of p

rogr

am fo

r a

num

ber

of d

iffer

ent

type

s of

pro

gram

s an

dvi

ewin

g co

nditi

ons

you

may

hav

e in

you

r ho

me.

Eac

h Sm

art

Soun

d se

ttin

g is

pre

set

at t

hefa

ctor

y to

aut

omat

ical

ly a

djus

t th

e T

V’s

Treb

le a

nd B

ass

leve

ls.

Pres

s bo

tton

rep

eate

dly

to c

ycle

thr

ough

the

4 s

ettin

gs n

amel

y, P

erso

nal

,Th

eatr

e,M

usi

can

d V

oic

e an

d se

lect

you

r de

sire

d so

und

sett

ing.

Def

init

ion

of S

ou

nd

Set

tin

gs

Per

son

al:

Soun

d se

ttin

gs a

re s

et t

o yo

ur p

refe

renc

e.T

hea

tre

:Em

phas

ize

sens

atio

n to

act

ion.

(Ba

ss a

nd T

rebl

e bo

oste

d)M

usi

c:

Emph

asiz

e lo

w t

one

(Bas

s bo

oste

d).

Vo

ice

:Em

phas

ize

high

ton

e (t

rebl

e bo

oste

d).

SMAR

T SO

UND

US

ING

TH

E S

MA

RT S

OU

ND

CO

NT

RO

L

AC

TIV

AT

ING

TH

E S

LE

EP

TIM

ER

Slee

ptim

er fu

nctio

n al

low

s yo

u to

sel

ect

a tim

e pe

riod

in w

hich

the

set

will

sw

itch

to s

tand

bym

ode

auto

mat

ical

ly u

pon

reac

hing

the

sel

ecte

d tim

e pe

riod

. You

hav

e a

choi

ce o

f tim

e pe

riod

star

ting

from

15

min

utes

up

to a

max

imum

of 2

40 m

inut

es

Pres

s th

e S

leep

but

ton

to d

ispl

ay t

he t

ime

peri

od.

Pres

s th

e S

leep

but

ton

repe

ated

ly t

o cy

cle

thro

ugh

the

vari

ous

time

peri

ods

and

sele

ct t

he t

ime

peri

od o

f you

r ch

oice

.

No

te :

Dur

ing

the

last

min

ute

of a

Sle

ep t

ime

sett

ing,

an o

n-sc

reen

cou

ntdo

wn

will

be

disp

laye

d. P

ress

ing

any

butt

on o

n th

e re

mot

e co

ntro

l dur

ing

the

coun

tdow

n w

ill c

ance

l the

Slee

p-tim

er.

Dur

ing

the

last

10

seco

nds

of a

Sle

ep t

imer

set

ting,

an

on-s

cree

n di

spla

y w

ill r

ead

Goo

dbye

.

SLEE

P

SLEE

P

Pe
rson

al N

otes

:

2020P

T43

31

Pict

ure

tube

scr

een

size

48 c

m

Pict

ure

tube

vis

ible

are

a47

cm

Aud

io O

utpu

t :

Spea

ker

2 x

3 W

Soun

d Sy

stem

BTSC

with

SA

P

TV

Sys

tem

NT

SC M

(3.

58-

4.5)

PAL

MPA

L N

Play

back

Sys

tem

PAL

B/G

Set

Dim

ensi

ons

:Le

ngth

66.6

cm

Wid

th55

.5 c

mH

eigh

t54

.5 c

m

Net

Wei

ght

of S

et20

kg

(app

roxi

mat

e )

No

teFo

r O

pera

ting V

olta

ge, F

requ

ency

, Pow

er C

onsu

mpt

ion

and

Vers

ion

Num

ber,

refe

r to

the

type

num

ber

at t

he r

ear

of t

he s

et.S

PE

CIF

ICA

TIO

NS

Mechanical Instructions EN 15L03.1L AA 4.

4. Mechanical Instructions

Index:1. Rear cover removal.2. Service Position Main panel.3. Rear cover mounting.

4.1 Rear Cover Removal

1. Remove all fixation screws of the rear cover. 2. Now pull the rear cover in backward direction to remove it.

4.2 Service Position Main Panel

1. Disconnect the strain relief of the AC power cord.2. Remove the main panel, by pushing the two center clips

outward [1]. At the same time pull the panel away from the CRT [2].

3. If necessary disconnect the degaussing coil by removing the cable from (red) connector 0212.

4. Move the panel somewhat to the left and flip it 90 degrees [3], with the components towards the CRT.

Figure 4-1 Service Position

4.3 Rear Cover Mounting

Before you mount the rear cover, perform the following checks:1. Check whether the mains cord is mounted correctly in its

guiding brackets.2. Re-place the strain relief of the AC power cord into the

cabinet.3. Check whether all cables are replaced in their original

position

A

B

1

CL 16532016_006.eps220501

2

1

3

Service Modes, Error Codes, and Fault FindingEN 16 L03.1L AA5.

5. Service Modes, Error Codes, and Fault Finding

Index:1. Test points.2. Service Modes.3. Problems and Solving Tips.4. ComPair5. The Blinking LED Procedure.6. Protections.7. Repair Tips.

5.1 Test Points

This chassis is equipped with test points in the service printing. In the schematics test points are identified with a rectangle box around Fxxx or Ixxx.

Table 5-1 Test Point Overview

Perform measurements under the following conditions:• Service Default Alignment Mode.• Video: color bar signal.• Audio: 3 kHz left, 1 kHz right.

5.2 Service Modes

Service Default Alignment Mode (SDAM) offers several features for the service technician. There is also the option of using ComPair, a hardware interface between a computer (see requirements) and the TV chassis. It offers the ability of structured trouble shooting, error code reading and software version readout for all chassis. Requirements: To run ComPair on a computer (laptop or desktop) requires, as a minimum, a 486 processor, Windows 3.1 and a CD-ROM drive. A Pentium Processor and Windows 95/98 are however preferred (see also paragraph 5.4).

Table 5-2 SW Cluster

5.2.1 Service Default Alignment Mode (SDAM)

Purpose• To change option settings.• To create a predefined setting to get the same

measurement results as given in this manual.• To display / clear the error code buffer. • To override SW protections.• To perform alignments.• To start the blinking LED procedure.

Specifications• Tuning frequency: 61.25 MHz (channel 3) for NTSC-sets

(LATAM).• Color system: PAL-M for LATAM BI/TRI/FOUR-NORMA.• All picture settings at 50 % (brightness, color contrast,

hue).• Bass, treble and balance at 50 %; volume at 25 %. • All service-unfriendly modes (if present) are disabled, like:

– (Sleep) timer, – Child/parental lock, – Blue mute, – Hotel/hospitality mode– Auto switch-off (when no “IDENT” video signal is

received for 15 minutes),– Skip / blank of non-favorite presets / channels,– Auto store of personal presets,– Auto user menu time-out.

• Operation hours counter.• Software version.• Option settings.• Error buffer reading and erasing.• Software alignments.

How to activate SDAMUse one of the following methods:• Use a standard customer RC-transmitter and key in the

code 062596 directly followed by the “M” (menu) button or• Temporarily connect jumper wire 9257 to pin 4 of 7200 on

the mono carrier (see Fig. 8-1) and apply AC power. Then press the power button (remove the connection after start-up).Caution: Activating SDAM by temporarily connecting jumper wire 9257 to pin 4 of 7200 will override the +8V-protection. Do this only for a short period. When doing this, the service-technician must know exactly what he is doing, as it could lead to damaging the set.

• Or via ComPair. After activating SDAM, the following screen is visible, with S at the upper right side for recognition.

Figure 5-1 SDAM Menu

• LLLL. This is the operation hours counter. It counts the normal operation hours, not the standby hours.

TEST POINT CIRCUIT DIAGRAM

Fxxx, Ixxx POWER SUPPLY A1

Fxxx, Ixxx Deflection A2

Fxxx, Ixxx TUNER & IF A3

Fxxx, Ixxx VIDEO PROCESSING A4

Fxxx, Ixxx AUDIO PROCESSING A5

Fxxx, Ixxx AUDIO AMPLIFIER + MONO SOUND PROCESSING

A6

Fxxx, Ixxx FRONT IO + FRONT CONTROL + HEAD-PHONE

A7

Fxxx, Ixxx DVD POWER SUPPLY A9

Fxxx, Ixxx CRT PANEL B1

SW Cluster

Software name

UOC type

UOCDiversity

Special Features

L3SLM1 L03LM1 x.y TDA9370 55K ROM Size

Trinorma Mono

L3SLM1 L03LM1 x.y TDA9377 55K ROM Size

NTSC Mono

L3SLS1 L03LS1 x.y TDA9370 55K ROM Size

Trinorma BTSC SAP Stereo

L3SLS1 L03LS1 x.y TDA9377 55K ROM Size

NTSC BTSC SAP Stereo

Abbreviations in Software name: L = Latam, M = Mono, S = Stereo.

CL 36532044_033.eps130603

Service Modes, Error Codes, and Fault Finding EN 17L03.1L AA 5.

• AAABCD-X.Y. This is the software identification of the main micro controller: – A = the project name (L03).– B = the region: E= Europe, A= Asia Pacific, U= NAFTA,

L= LATAM.– C = the feature of software diversity: N = stereo non-

DBX, S = stereo dBx, M = mono, D = DVD – D = the language cluster number:– X = the main software version number.– Y = the sub software version number.

• S. Indication of the actual mode. S= SDAM= Service Default Alignment mode.

• ERR. The error buffer. Five errors possible.• OPTION BYTES. Seven codes possible.• CLEAR. Erase the contents of the error buffer. Select the

CLEAR menu item and press the CURSOR RIGHT key. The content of the error buffer is cleared.

• OPTIONS. To set the Option Bytes. See chapter 8.3.1 for a detailed description.

• AKB. Disable (0) or enable (1) the “black current loop” (AKB = Auto Kine Bias).

• TUNER. To align the Tuner. See chapter 8.3.2 for a detailed description.

• WHITE TONE. To align the White Tone. See chapter 8.3.3 for a detailed description.

• GEOMETRY. To align the set geometry. See chapter 8.3.4 for a detailed description.

• AUDIO. Use default value (Stereo set only), align when necessary. See chapter 8.3.5 for a detailed description.

How to navigate• In SDAM, select menu items with the CURSOR UP/DOWN

key on the remote control transmitter. The selected item will be highlighted. When not all menu items fit on the screen, move the CURSOR UP/DOWN key to display the next / previous menu items.

• With the CURSOR LEFT/RIGHT keys, it is possible to:– Activate the selected menu item.– Change the value of the selected menu item.– Activate the selected submenu.

• When you press the MENU button twice, the set will switch to the normal user menus (with the SDAM mode still active in the background). To return to the SDAM menu press the OSD / STATUS button.

• When you press the MENU key in a submenu, you will return to the previous menu.

How to store settingsTo store settings, leave the SDAM mode with the Standby button on the remote.

How to exitSwitch the set to STANDBY by pressing the power button on the remote control (if you switch the set 'off' by removing the AC power, the set will return in SDAM when AC power is re-applied). The error buffer is not cleared.

5.3 Problems and Solving Tips

5.3.1 Picture Problems

Note: Below described problems are all related to the TV settings. The procedures to change the value (or status) of the different settings are described.

No colors / noise in picture1. Press the MENU button on the remote control.2. Select the INSTALLATION sub menu.3. Select and change the SYSTEM setting until picture and

sound are correct.4. Select the STORE menu item.

Colors not correct / unstable picture1. Press the MENU button on the remote control.2. Select the INSTALLATION sub menu.3. Select and change the SYSTEM setting until picture and

sound are correct.4. Select the STORE menu item.

Picture too dark or too brightIncrease / decrease the BRIGHTNESS and / or the CONTRAST value when:• The picture improves after you have pressed the “Smart

Picture” button on the remote control. The new “Personal” preference value is automatically stored.

White line around picture elements and textDecrease the SHARPNESS value when:• The picture improves after you have pressed the “Smart


Snowy picture• No or bad antenna signal. Connect a proper antenna

signal.• Antenna not connected. Connect the antenna.• No channel / pre-set is stored at this program number. Go

to the INSTALL menu and store a proper channel at this program number.

• The tuner is faulty (in this case the CODES line will contain error number 10). Check the tuner and replace / repair if necessary.

Snowy picture and/or unstable picture• A scrambled or decoded signal is received.

Black and white pictureIncrease the COLOR value when:• The picture improves after you have pressed the “Smart


Menu text not sharp enoughDecrease the CONTRAST value when:The picture improves after you have pressed the “Smart Picture” button on the remote control. The new “Personal” preference value is automatically stored.

5.3.2 Sound Problems

No sound or sound too loud (after channel change / switching on)Increase / decrease the VOLUME level. Press the Smart Sound button repeatedly to access 4 different types of sound settings and choose your desired setting.

5.4 ComPair

5.4.1 Introduction

ComPair (Computer Aided Repair) is a service tool for Philips Consumer Electronics products. ComPair is a further development on the European DST (Dealer Service Tool), which allows faster and more accurate diagnostics. ComPair has three big advantages:• ComPair helps you to quickly get an understanding on how

to repair the chassis in a short time by guiding you systematically through the repair procedures.

• ComPair allows very detailed diagnostics (on I2C level) and is therefore capable of accurately indicating problem areas. You do not have to know anything about I2C commands yourself because ComPair takes care of this.

• ComPair speeds up the repair time since it can automatically communicate with the chassis (when the


microprocessor is working) and all repair information is directly available. When ComPair is installed together with the SearchMan electronic manual of the defective chassis, schematics and PWBs are only a mouse click away.

5.4.2 Specifications

ComPair consists of a Windows based faultfinding program and an interface box between PC and the (defective) product. The ComPair interface box is connected to the PC via a serial or RS232 cable. In case of the L03 chassis, the ComPair interface box and the TV communicate via a bi-directional service cable via the service connector (located on the Main panel, see also figure 8-1 suffix D). The ComPair faultfinding program is able to determine the problem of the defective television. ComPair can gather diagnostic information in two ways:• Automatically (by communication with the television):

ComPair can automatically read out the contents of the entire error buffer. Diagnosis is done on I2C level. ComPair can access the I2C bus of the television. ComPair can send and receive I2C commands to the micro controller of the television. In this way, it is possible for ComPair to communicate (read and write) to devices on the I2C busses of the TV-set.

• Manually (by asking questions to you): Automatic diagnosis is only possible if the micro controller of the television is working correctly and only to a certain extend. When this is not the case, ComPair will guide you through the faultfinding tree by asking you questions (e.g. Does the screen give a picture? Click on the correct answer: YES / NO) and showing you examples (e.g. Measure test-point F001 and click on the correct oscillogram you see on the oscilloscope). You can answer by clicking on a link (e.g. text or a waveform picture) that will bring you to the next step in the faultfinding process.

By a combination of automatic diagnostics and an interactive question / answer procedure, ComPair will enable you to find most problems in a fast and effective way. Beside fault finding, ComPair provides some additional features like:• Up- or downloading of pre-sets.• Managing of pre-set lists.• If both ComPair and SearchMan (Electronic Service

Manual) are installed, all the schematics and the PWBs of the set are available by clicking on the appropriate hyperlink. Example: Measure the DC-voltage on capacitor C2568 (Schematic/Panel) at the Mono-carrier. – Click on the 'Panel' hyperlink to automatically show the

PWB with a highlighted capacitor C2568. – Click on the 'Schematic' hyperlink to automatically

show the position of the highlighted capacitor.

5.4.3 How To Connect ComPair

1. First install the ComPair Browser software (see the Quick Reference Card for installation instructions).

2. Connect the RS232 interface cable between a free serial (COM) port of your PC and the PC connector (marked with “PC”) of the ComPair interface.

3. Connect the AC power adapter to the supply connector (marked with “POWER 9V DC”) on the ComPair interface.

4. Switch the ComPair interface OFF.5. Switch the television set OFF (remove the AC power).6. Connect the ComPair interface cable between the

connector on the rear side of the ComPair interface (marked with “I2C”) and the ComPair connector on the mono carrier (see figure 8-1 suffix D).

7. Plug the AC power adapter in the AC power outlet and switch on the interface. The green and red LEDs light up

together. The red LED extinguishes after approx. 1 second while the green LED remains lit.

8. Start the ComPair program and read the “introduction” chapter.

Figure 5-2 ComPair connection

5.4.4 How To Order

ComPair order codes:• Starter kit ComPair32/SearchMan32 software and

ComPair interface (excl. transformer): 3122 785 90450.• ComPair interface (excluding transformer): 4822 727

21631.• Starter kit ComPair32 software (registration version): 3122

785 60040.• Starter kit SearchMan32 software: 3122 785 60050.• ComPair32 CD (update): 3122 785 60070.• SearchMan32 CD (update): 3122 785 60080 (year 2002),

3122 785 60120 (year 2003).Note: If you encounter any problems, contact your local support desk.

• ComPair interface cable: 3122 785 90004.

5.4.5 Error Buffer

The error code buffer contains all detected errors since the last time the buffer was erased. The buffer is written from left to right. When an error occurs that is not yet in the error code buffer, it is written at the left side and all other errors shift one position to the right.

5.4.6 How To Read The Error Buffer

You can read out the error buffer in 3 ways:• On screen via the SDAM (only if you have a picture).

Examples:– ERROR: 0 0 0 0 0: No errors detected– ERROR: 6 0 0 0 0: Error code 6 is the last and only

detected error– ERROR: 9 6 0 0 0: Error code 6 was first detected and

error code 9 is the last detected (newest) error• Via the blinking LED procedure (when you have no

picture). See next paragraph.• Via ComPair.

5.4.7 How To Clear The Error Buffer

The error code buffer is cleared in the following cases:• By activation of the CLEAR command in the SDAM menu:• If the content of the error buffer has not changed for 50

hours, it resets automatically.

Note:When leaving SDAM by disconnecting the set from AC power, the error buffer is not reset.

86532027_003.EPS050898

PC VCR I2CPower9V DC

Service Modes, Error Codes, and Fault Finding EN 19L03.1L AA 5.

5.4.8 Error Codes

In case of non-intermittent faults, clear the error buffer before you begin the repair. These to ensure that old error codes are

no longer present. It is wise to write down the errors of the error buffer before you clear it.If possible, check the entire contents of the error buffer. In some situations an error code is only the result of another error code and not the actual cause (e.g., a fault in the protection detection circuitry can also lead to a protection).

Table 5-3 Error Code Table

5.5 The Blinking LED Procedure

Via this procedure you can make the contents of the error buffer visible via the front LED. This is especially useful when there is no picture. When the SDAM is activated, the LED will blink the contents of the error-buffer. • n short blinks (n = 1 - 14),• When all the error-codes are displayed, the sequence

finishes with a LED blink of 3 s,• The sequence starts again. Example of error buffer: 12 9 6 0 0 After activating SDAM: • 12 short blinks followed by a pause of 3 s,• 9 short blinks followed by a pause of 3 s,• 6 short blinks followed by a pause of 3 s,• 1 long blink of 3 s to finish the sequence,• the sequence starts again.

5.6 Protections

If a fault situation is detected an error code will be generated and if necessary the set will be put in the protection mode. Blinking of the red LED at a frequency of 3 Hz indicates the protection mode. In some error cases the microprocessor does not put the set in the protection mode. The error codes of the error buffer can be read via the service menu (SDAM), the blinking LED procedure or via ComPair. To get a quick diagnosis the chassis has one service mode implemented:• The Service Default Alignment Mode (SDAM). Start-up of

the set in a predefined way and adjustment of the set via a menu and with the help of test patterns.

5.7 Repair Tips

Below some failure symptoms are given, followed by a repair tip.

• Set is dead and makes hiccupping sound. “MainSupply” is available. Hiccupping stops when de-soldering L5563, meaning that problem is in the “MainSupply” line. No output voltages at LOT, no horizontal deflection. Reason: line transistor 7421 is defective.

• Set is dead, and makes no sound. Check power supply IC 7520. Result: voltage at pins 2, 6, 7, 9 and 11 are about 180 V and pin 14 is 0 V. The reason why the voltage on these pins is so high is because the output driver (pin 11) has an open load. That is why MOSFET 7521 is not able to switch. Reason: feedback resistor 3523 is defective. Caution: be careful measuring on the gate of 7521; circuitry is very high ohmic and can easily be damaged!

• Set is in hiccup mode and shuts down after 8 s. Blinking LED (set in SDAM mode) indicates error 5. As it is unlikely that the “POR” and “+8V protection” happen at the same time, measure the “+8V”. If this voltage is missing, check transistor 7491 & 7496.

• Set is non-stop in hiccup mode. Set is in over current mode; check the secondary sensing (opto coupler 7515) and the “MainSupply” voltage. Signal “Stdby_con” must be logic low under normal operation conditions and goes to high (3.3 V) under standby and fault conditions.

• Set turns on, but without picture and sound. The screen shows snow, but OSD and other menus are okay. Blinking LED procedure indicates error 11, so problem is expected in the tuner (pos. 1000). Check presence of supply voltages. As “Vlotaux+5V” at pin 5 and 7 are okay, “VT_supply” at pin 9 is missing. Conclusion: resistors 3449 & 3450 are defective

ERROR Device Error description Check item Diagram

0 Not applicable No Error - -

1 Not applicable X-Ray Protection (USA) - -

2 Not applicable Horizontal Protection 7421, 7422, 7423 A2

3 Not applicable Vertical Protection 7461, 7462, 7463, 7464, 7465, 7466 A2

4 AN5891K & AN5829S Tone control & Audio processor I2C identification error 7821 (tone IC), 7841 (Stereo/Sap) A5

5 TDA93XX POR 3.3V / 8V Protection 7200, 7541, 7491, 7493, 7496 A4, A1

6 I2C bus General I2C bus error 7200, 3604, 3605 A4

7 Not applicable - - -

8 Not applicable E/W Protection (Large Screen) - -

9 M24C16 NVM I2C identification error 7641, 3641, 3642, 3643 A4

10 Tuner Tuner I2C identification error 1000, 3003, 3004 A3

11 Not applicable Black current loop protection 3313, 7307, 7308, 7309, 7310, 7311,7312, 7313, 7314, 7315, 7316, 7317,7318, CRT

B1

12 Not applicable MAP I2C identification error (USA) - -

13 Not applicable VC I2C identification error (Eu) - -

14 Not applicable DVD I2C identification error - -


Personal Notes:

Block Diagram, I2C, Supply Voltage, and Testpoint Overview 21L03.1L AA 6.

CL 36532044_030.eps190603

F568

13571VTsupply-A 5575+12V-DVD

A1

F449

F448

F425

R.FL.IL

VERT.DEFL.COIL

5445

2

FOCUS VG2

EHT

10 EHT

A4EHT 0

A4

A4

A3

A4A2

BEAM-LIMIT

3447

9

64468

5

4

6463

3445

3446

3475

VT_SUPPLY

6447+160V

-12V

FILAMENT

3448

3459

6452

6451

F4466444

3443

3444

FRAME OUT

7422H-DRIVEH-DRIVE

TO DVD

3451

2455

F642

F643

5602

364236433605

3604

56035601

A3

A1

A5

CONTROLA4 +3.3V

WP

36013602

+3V3

+3.3V

57

162112MHz58

KEYBOARD

7200-BTDA93XX

VSTPWM-DAC

ROMRAM

CPU

IICBUS

I/OPORTS

11 7

3

2

5

8

6

5

54 61 56

IR 67

LED 11

8

7641M24C04

EEPROM(NVM)

SDA

SCL

Pvv_ADJ

7

63

64

ITV_POR

A46 ITV_CLOCK

A1

A41 Std_Con

A8STATUS 2

A8SEL_AV1_AV2

60

A4POR(ITV)

A64 VOLUME

SDA

N.C.

N.C.

N.C.

SCL

9257SDAM

1/10PAGES

MEMORY

TELETEXT/CC

+OSD

CVBS SYNC

ERR9

ERR6

CRTB1

13001

2

3

5

6

7

8

3305

3309

3301

F301

F302

F303

F309

F310

4

R

G

B

R

G

B CRT(9P)

25kV

FOCUS

EHT

EH

T

VG2

VG2

7

9

3

4 5 6 8

73137314

R

73177318

B

73157316

G

0165AQUADAG

6318

3418

+160V

3313

+160 V

POWER SUPPLY 0212

43

2

1

2

8

9

12

13

3

6

2 5

6

13504

F510

I505I533

0211

0231 (NOT USA)

MAINSSWITCH

3543

5562

3544

6522

2528

A1Degaussing

Coilt

1515

5520

7580

7520TEA1506

DRAIN

DRIVER

SENSE

DEMAG

CONTROLIC

CTRL

Vcc

ENERGIZINGCIRCUIT(optional)

AC

DC

65045500

10

1

2

4

3

1500

T4E

2503 6562

6563

6561 MAIN SUPPLY

-12V

5563

5560 6560F542

F540

I553

Vaux/Vaudio

PW-ADJ

DVD-SUPPLY

3549

A4

A4

A9

A2

Std_Con

HOT GROUND COLD GROUND

7540, 6540

REFERENCECIRCUIT

7541

+3V3B

STANDBYCIRCUIT

7515TCET1103

3527

3525

3523

3526

752114

11

9

35227

D

SG

I514

6520

3528

7523

3506

5570 6570

(OPTIONAL)

4A3

FRAME

7451

3549

EHT

MAINSUPPLY

I461

F461

F422

A2

A1

I462

I462

I468

02211

2

HODECO

02221

2

V

H

36

33

22

21

20

6408

6407

2406

5401 3402

3403

3425

6423

Vaux/Vaudio

FILAMENT

A2EHT 0

2nd LOOPH-SHIFT

V-DRVE+

GEOMETRY

EW+

GEOMETRY

H/V SYNCSEPERATOR

H-OSC+PLL

ENGINE(optional)

3463

3465

3464

7463

74617465

7462

-12V

V-DRIVE -

N.C.

V-DRIVE +

3470

7466

7464

3474

6. Block Diagram, I2C, Supply Voltage, and Testpoint Overview

Block Diagram

F567

I848 I830

I847 I836

7200-DTDA93XX

F566

1185 1124

1184 1121

DVD POWER SUPPLY(optional)

A9

1

3

5

1572

1571

A1

FRONT I/OA7

V

L

AUDIO PROCESSING (STEREO + SAP)(FOR STEREO SETS ONLY)

A5REAR I/OA8MONO

V

L6

1

4

2

1

3

2

1

3

6

1

4

V

LL1_IN

R1_INR

R

STEREO

F905

AUDIO AMPLIFIERA6

A4

7901 AN7522N (STEREO)7902 AN7523N (MONO)

6 2 L+

L8

9VOLUME

1

0280

F906

4 L-

F907

10 R-

F908

12 R+R

4

5

1

2Vaux/Vaudio

A5 A4

A5A8

A5

A5

A4

A4

A4

V

L

MO

NIT

OR

OU

TP

UT

YU

VIN

PU

T

AV1

LINE

R

L-OUT

SEL_AV1_AV2SY_CVBS_IN

L1_IN

7841AN5829S

7821AN5891K

R1_IN

7161,7162

CVBS_TER_OUT7101

R-OUT

V

L

R

G-SC1_IN_Y_IN

B-SC1_IN_U_IN

R-SC1_IN_V_IN

A4

A4

A4

A5

A5

C-IN

L2-IN

R2-IN

V

L

R

4

65

15

4

32SVHS

AV2

(OPT.)

STATUS2

MATRIXSWITCH

10

911

A8A8

A4

A8

R2_IN 24

21

22

3

22

12

15

L_OUT

Main_OutR

Main_OutL

R_OUT

L_OUT

R_OUT

23

2

3

14

19 3842

3843

SD

A

SC

L

3828

3827

L_OUT

MONO

L2_IN

SWITCH

STEREO+

SAPDEMODULATOR

ERR4

SURRTONE

ERR4

18

14

13

7570SI2306D

7571L4978

3 2

1

DVD_SUPPLY 5571 5572 5574

5573

Vcc4

1CONTROL

OUT5

6571+8V-DVD

DEFLECTIONA2SYNC.A4

-12V

7421BUT11APX5461

F4073424 1

7

34

6422

2423

7423

Hflybk

VIDEOINTERNAL

TO MPEGCARD(optional)

HEADPHONEA7

L+

L-

R-

R+

L+

L-

R-

R+

FRONT CONTROLA7

E TOPCONTROL

F691

1

LOCALKEYBOARD

LOCALKEYBOARD

CHANNEL + / -VOLUME + / -

CHANNEL + / -VOLUME + / - OR

6692TSOP1836

+3V3

IR

LED6691

OR0239

10102

A8

A8

A8

A8

5201

IF, VIDEOA4

VIF_1

VIF_2

TUNER_AGC

(MONO)

+8V

+8VD

23

38

7202

3203

3205

7201

44

24

27

L1_IN

35

AUDIO CARRIERFILTER

7200-ATDA93XX

VIDEOIF

AGC

VIDEOPLL

DEMOD.

VIDEOAMPLIFIER

SOUNDFM-DEMOD.DE-EMPH.

AUDIOSWITCH

SOUNDAMPL.+ AVL

F603

A8CVBS_TER_OUT

AM_FM_MONO

4012014.5MHz

C-IN 43

SY-CVBS-IN 42

7200-CTDA93XX

I/OSWITCHING

Y-DELAY

R-Y

B-Y

U

V

R

G

B

RED

GREEN

BLUE

51

52

53

49

Y

VIDEOFILTERS

RGBMATRIX

RGBINSERT

BLACKSTRETCH

WHITESTRETCH

RGBCONTROL

OSD/TEXT/CCINSERT

BLUESTRETCH

WHITE-P.ADJ

VIDEOIDENT

1622

PAL/NTSCDECODER

BASEBANDDELAY

3620

3619

3621

R_SC1_IN_V_ING_SC1_IN_Y_INB_SC1_IN_U_IN

FBL_SC1_IN

4746 48 45 50

F604

F605

1

2

3

4

5

6

7

8

OSD

A2BEAM-LIMIT

A2FRAME_OUT

+160 V

A2

A2

FILAMENT

F003

1003

SDA

SCL

COMPAIRCONNECTOR

5002

TV TUNER

3003

SDA

SCL

3004

6001BZX79-C33

TUNER IFA3

A4

A4

A2

1000UV13366, 7 9

1

2

1

+5V

VT_SUPPLY_AVT_SUPPLY

VT

AGC5 4

IF

2

3

11

1001

ERR10

9282

DVD EJECTPOWER (USA only)

22L03.1L AA 6.Block Diagram, I2C, Supply Voltage, and Testpoint Overview

2

CL 36532044_032.eps160603

2x

TUNER IFA3

I2C BUS INTERCONNECTION DIAGRAM

+ 5 V+ 5 V

+ 5 V

+ 8V

1300

7

8

9282

VT supplyVT supply

VT supply-A

VT Supply-A

CRTB1

VIDEO PROCESSING14

EHT

FOCUS

FILAMENT

160 V

VG2

AUDIO PROCESSINGA5

7 - 78415841

582123 - 7821

+ 5V

AUDIO AMPLIFIERA61 - 7901or1 - 7902

+ 5V

FILAMENTFILAMENT

+ 3V3A

+ 3V3B

AUDIO FRONT I/OA7

+3V3B4698

36933 - 6692

+ 8 V

REAR I/O CINCHA8

+8V

4163+8VA

Vaux/Vaudio

Vaux/VaudioFILA-MENT

160VD

FILAMENT

4379

3493

7

1622

8

74933494

3

A1

A2

In

1

3495

5482

4491

+3V3

+5V

+8V1x

1x

1x+8VD

+3V3A

6491

7494

6492

3496

3497

7496

7491

3492

3491VTSupply-A

T supply-A,T supply,ILAMENT

1x

1x

2x

/Vaudio

CONTROLA7 TUNER IFA3

3605

7641M24C04EEPROM

(NVM)

3604

3643

3642

65

3

2

11 WP 7

ERR9

7200-BSET

PROCESSOR

PART OFVIDEO-

PROCESSORTDA9370

ERR6

SDA

SCL

SCL

SDA

3602

+3.3V

3644

+3.3V

3601

+3.3V

1000TUNERUV1336

3003

3004

45

ERR10

1

2

1003

3

AUDIO PROCESSING(only for stereo sets)

A5

7821AN5891K

AUDIOPROC.

3828

3827

1314

ERR4

7841AN5829S

AUDIODECODER

3842

3843

4119

ERR4

SCL

SDA

FORCOMPAIR

ONLY

!"

# $% &'#( &'##( &'#) !#

) * &'+( &'+#( &'+)( &'+'(&'+,( &'++

!#

' !,-./ 0!,-#.

1 0 !2 3# 4

&-# 3"( &-' 5 "

!,

, 1!.) 6 )7)* 5 -* &#( &,'( &'.( &'.)(&'.+

!'( !

+ 3# 2 8 3# 2 &#( )+'( )+, !'

&

- 59 : "

. ;#'+ *; 3# 4 &+'( )+'( )+'#( )+') !'

12 12 3# 4 ( ))( )' !)

< 2 )))( &)&( &)-( &).(&)( &)( &)#( &))(&)'( &),( &)+( &)&(&)-( 1

<

# ;! 3# 4 !"

) * 3# 4 2"

' * 3# 4

I C and Supply Voltage Overview

POWER SUPPLY 0212

43

2

1

2

8

12

10

13

3

6

2 5

6

13504

F510

I505I533

3543

5562

3544

6520

2528

A1Degaussing

Coilt

1515

5520

7580

7520TEA1507

DRAIN

DRIVER

SENSE

DEMAG

VCC

CONTROLIC

CTRL

Vcc

ENERGIZINGCIRCUIT(optional)

AC

DC

65045500

9

1

2

4

3

2503 6562

6563

6561

MAIN SUPPLY

-12V

5563

5560 6560F542

F540

I553

Vaux/Vaudio

2 x

1 x

DVD-SUPPLY

3549

Std_Con

HOT GROUND

COLD GROUND

7540, 6540

REFERENCECIRCUIT

7541

+3V3B

STANDBYCIRCUIT

7515TCET1103

3527

3525

3523

3526

752114

11

9

35227

D

SG

I514

6520

3528

7523

3506

5570 6570

(OPTIONAL)

FRAME

LINE

3549

7451EHT

PW_ADJ

DEFLECTIONA2

A1

F461

F422

F449

F448

H DRIVE

A4F425

-12V

7421BUT11APX

5461

3424

02211

2

HOR.DEFL.COIL

02221

2VERT.DEFL.COIL

5441

1

7

2

FOCUS VG2

EHT

10 EHT

A4EHT 0

A4BEAM-LIMIT

3447

9

64468

5

4

6463

3445

3446

VT_SUPPLY

6447+160V

-12V

1x

2x

2x2x

3448

3459

6452

6451

F4466444

3443

3444FILAMENT

6422

2423

6408

6407

2406

5401 3402

3403

7423

7422

3425

6463

Vaux/Vaudio

FILAMENT

3463

3465

3464

7463

74617465

7462

-12V

3470

7466

7464

3474

3451

2455

FOCUS

EHT

VG2

ERROR CODE LIST

A4

A4

A2

BA

-12V,FILAMENT,

Vaux/Vaudio

VVF

A4

V DRIVE-

V DRIVE-

0211

0231 (NOT USA)

MAINSSWITCH

1500

T4E

F567

F568

F566

DVD POWER SUPPLY(optional)

A9

1

3

5

1572

1

4

1571

7570SI2306D

7571L4978

3 2

1

3571VTsupply-A

DVD_SUPPLY 5571 5572

5575

5574

5573

Vcc4

1CONTROL

OUT5

6571

+12V-DVD

+8V-DVD

+8V-DVD TO MPEGCARD(optional)

TO DVDENGINE(optional)

Vaux

Block Diagram, I2C, Supply Voltage, and Testpoint Overview 23L03.1L AA 6.

CL 36532044_031.eps200603

Switch

3

45

6

7

8

8

9 1011

12

1302

1300 CRT

Socke

t

F310 B

F308 R

F309 G

F301

F302

F303

23 1

RT TRACK SIDE VIEW

/ div DCµs / div.

F642

0.5V / div DC20µs / div.

F643

0,5V / div DC20µs / div.

/ div ACs / div.

F901

0.5V / div AC1ms / div.


F903

V / div ACs / div.

F906

0,5V / div AC1ms / div.

F907


V / div ACs / div.

I211

1V / div DC1ms / div.

I461

0.5V / div DC5ms / div.

V / div DCms / div.

I465

1V / div AC5ms / div.

I533

2V / div DC5µs / div.

I830


/ div DCs / div.

I847


I848


V / div DCµs / div.

I505 =17V8 DC
COLD HOT LIVE PART COLDHOT
F003

200mV / div AC20µs / div.

F308


F309


F310


F407

100V / div DC20µs/div.

F425

5V / div AC20µs / div.

F446


F448


F449


F461


F481

0,5V / div DC20µs / div.

F491


F492

2V / div DC20µms / div.

F493


F494


F510


F603


F604


F301


F302


F303


I462

0.55

I836

1V1m

I514

1005

F422 97V DCF540 97V DCF542 13V5 DC

Testpoint Overview

Mains

IRRCR

Supply Control

SupplyOutput

Line Output

Power Trafo 5520

7

7 6 5 3

7421

6447

5441LOT

6570

6560

0246

39033905

7496

3643

InOut

79017902

6562 2405

6446

7464

7465

7463

0222

6444

74617462

D

C

B E

SG

2

1 10

9

8

5

B

EC

B

B EEC

C

43

2

6

7

1

8

1

B

C

E

112

2413

2 1

5

12

114

5 8

32

3364 44

18

9 10 12 13

12

8 14

F407

F510

I847

I848

I462

F481

F643

I553I542

F603

F604

F605

I540

I533I505

F425

I514

I836

I830

F449

F448

F446

I461

I465

7520

+ F422

F461

1

6692

F691

F907

F908

F909

F906

F903 F901

CBF

1

11 1

1 3

AudioOutput

Video Processor

Tuner

Compair conn.

NVM

AudioProcessor

AudioDemodulator

Frame Output

7841

3488

1622

7200 1000

1003

2413

112

15

7821

F491

F494

F492

F493

F494

I211

F642

F003

CMONO CARRIER TRACK SIDE VIEW

76417493

6491

7494

F605

1V20

F691

1V2m

F905

0,51m

F908

0.51m

3642A2 A1

K

21 22

E BC

E BC

24L03.1L AA 7.Circuit Diagrams and PWB Layouts

A

B

C

D

E

F

G

0211 C10212 B10213 C50231 C21500 B21501 B31508 E71509 E71515 A71516 E71520 B71560 D7

10 11

10 11

1570 C82452 F112453 F102500 C32501 B52502 B52503 B62504 B62505 B22507 B62515 C72520 G22521 E22522 D62523 E62524 E52525 F52526 E22527 F12528 G62540 F92541 G92542 G72543 F62560 D82561 D92562 D92564 D102570 C92571 C82580 B72584 C62585 E63452 F113453 F103454 F93456 F113500 C23501 D23502 C43503 B43504 B43505 C43506 D43507 D23508 B43509 C33510 D33519 F63520 G23521 F23522 E53523 E53524 E53525 E53526 E63527 D53528 F13541 F83542 E93543 E103544 F93545 G83546 F113547 F93548 F93549 E93550 E103580 A73581 F63582 D104560 D85500 B45501 C45502 D45506 C75509 G45515 E5

5520 C75521 D65560 D85562 C95563 C105570 C76500 B56501 B56502 B56503 B56504 B56505 D26520 E26521 E66522 F66540 F86541 E96560 D86561 D96562 C96563 C96570 C86580 A87451 F107515 F77520 D27521 E67522 F67523 F17540 F97541 G87580 A79500 B29501 C29502 C49503 A69506 C79509 G49515 E59520 D69560 D7

548

15K

4n7

2453

47K

3456

3543

6K8

3544

6561

BC857B

7451

100u/400V

STP7NK80ZFP

-

*0V

A4

820K

82n

SS28010-06

*

--

22K330K330K

21RF

LATAM

9V3

-

6K8

330K

-

FP

A2

STP5NK90ZFP

9

1W/0R15

BYW76-RAS15/10

15RF/20"/21"Mexico14"MEXICO1"

JUMPJUMP

150u/400V

S359B4-095/10

JUMP

NFR25 68R

FOR ITV ONLY

NFR25 47RR

JUMP

1W/0R18

A4

7V7

R

--

-----

BC547B7540

3

6562

BYW76

F540

3582

3581

3453

100K

2527

27u

5563

BYW29EX

6563

6522

47u

2564

3547

10K

3454

TCET1103(G)

3452

2452B

82K

3550

10K

3546 PW_ADJ

DVD_Supply

(OPTIONAL)

Vaux/Vaudio

ITV_Vbatt

EHT

Std_Con

MainSupply

+3V3B

CL 36532044_001.eps200603

F540 97V DCF542 13V5 DC

I505 17V8 DC

10

0V / div DC5µs / div

I533


4


G

1 2 3 4 5 6 7 8 9

F

1n0

2543

3

3541

470R

PDTC114ET

7541

9509

2542

470n

2520

56p

3V3

(..V..) Standy Mode

220V AC 309V (317V)

22V6

3V3

HOT GROUND

3V3

8V3

"$"

COLD GROUND

FOR MAINS 120V AC 170V (177V)

..V.. Normal Operation in " SERVICE MODE "

4V9

HOT COLD5509

50V

22u25

28

1K0

10n

2541

3520

1K2

BYD33D

15n

2540

3528

10K

3519

3K3

14

3 2

3545

2K2

10n

3139 123 5596.1

7. Circuit Diagrams and PWB Layouts

Mono Carrier: Power Supply

V

START-UP

CURRENT SOURCE

VALLEY

START-UP

CURRENT SOURCE

CURRENTSENSING

OUTPUTDRIVER

OVERPOWER

LOGIC

CONTROL

CIRCUIT

MAXIMUMON-TIME

PROTECTION

VOLTAGECONTRLLEDOSCILLATOR

OVERTEMPERATUREPROTECTIOM

POWER-ONRESET

SUPPLYMANAGEMENT

FREQUENCY Demag

Driver

PROTECTION

CONTROL

INPUTCONTROLCIRCUIT

BURSTDETECTOR

Drain

Sense

Vcc

Gnd

Ctrl

t

+t

Rs

Rp +

t

2503

1 2 3 4 5 6 7 8 9

A

B

1N41

48

6521

C

D

E

I505

1508DVD_Gnd

2n2

2501

2585

1n

1570

3526

400V

5521

1K0

2K2

3527

16V

150u25

04

3

6

7

8

9

4560

11

12

132

3

5

6

7 8

9

330K

3522

1 4

2

5501

3542

1K5

5560

02121

2

6560

SB340

5570

2

0211

1

3506

2580

47u

9501

10

11

142

7520

3503

1

2

S

7521

*

90 - 276 V FULL RANGE

6561

- -

5520

-

1W/0R151W/0R18

9500

6V2

0V

*

0V

**

2V9

*

*

*

MAINS

0V

*

1n5

T2.5AE 250V

*

MAINS SWITCH

D

*

T4E.250V

TEA1506T

BZ

X79

-C9V

1

G

RES

RES

17V8

RES

JUMP

330K330K3547

3M3

*

RE

S

*

*

*

For ITV

25030231

Size

3523

**

For Relay Cct.

302V

9501

POWER SUPPLY

NAFTALATAMITEM

STP7NK80ZSTP5NK80ZFP

S359B4-0SS28010-06

6V8

10R

- P

TC

RES

15RF/20"/2

2V6

14"

NFR25 68R

SWITCH100u/400V

Region

*

SWITCH

3526

*

-

(13V8)

BYW76-RAS1

1V3

150u/400VNFR25 47

330K

-

RES

*

T1.8AE 250V

150 - 276 V SINGLE RANGE

2V6

RES

1515

G5P

23

14

2502

2n2

4V6

303V

302V

ONLY

2505350335045500

95035502

Relay Cct.

YESNOYES

DMF2820

YESNO

NO

NOYESNO

C914

NOYES

YES

RES

RES

ES

DEGAUSSING COIL

3M3

"$"

*

*

RES

RES

7523BC857B

3510

DSP

521

F510

7521

1N5062 (COL)

6503

7580

BC847B

220p

2584

2505

2n2

2n2

2560

9520

1N5062 (COL)

6501

1N5062 (COL)

6502

6500

1N5062 (COL)

1 2

3

2525

3504

470p

1n0

2526

6580

1M5

3508

1N41

48

BZX384-C22

6505

3507 33K

3500

3580

47K

2515

2500

470n

22u

2521

5506

7522PDTC143ZT

9506

2523

1n8

220R

3549

2507

2522

470p

PFC50001501

9560

15209500

I553

2n2

2562

I533

3m325

70

100n

2524

3502

1560

6541

7515

C914

5502

31

46

3505 5520

1

10

5562

6520

BY

D33

D

9503

4

2 3

ZX

79-B

6V8

6540

5500

DMF-2820

1

9515

3

DVD_Gnd

5515

0213

1516

10n

2571

3509

220R

16V

2m225

61

1500PFC5000

1509

STPS10L60D

65701

2

56

3

4

3523

ESB920231

3501

9502

35253524

47K

I514

F542

6504

GBU8K

L_GND

-12V

AudioSupplyGnd_A

F5

5

I51

1

Circuit Diagrams and PWB Layouts 25L03.1L AA 7.

A

B

C

D

E

F

G

0221 B40222 F61462 F61463 E72405 D32406 D42407 C42408 D42420 B22421 B22423 A42424 A42426 B12427 B12428 C12429 B12441 C92444 D82446 D82447 D72455 C82457 D72460 E5

9 10

9 10

F

5

2461 E12462 E32463 E32464 F32465 E52470 F52471 B12472 G42473 C73402 D43403 D33422 A33424 A13425 C13426 B33428 B23430 C23432 C23439 C83440 C83441 C73442 C73443 C63444 D63445 B63446 D63447 B83448 D63449 B83450 B83451 C83455 C93459 C73460 C93461 F13462 F13463 E23464 G23465 F23466 F23468 E33469 E43470 F43471 F43472 F43473 G53474 G53475 F53476 F53477 G43478 F54405 D35401 D45402 D45421 B35441 A55505 F86407 D46408 D46421 A46422 A36423 C16426 B26444 D76445 C76446 D76447 D76451 C9

6452 C86453 C86460 E36461 E56462 E56463 E56464 E37421 A37422 B27423 C27440 C87461 F27462 F27463 F37464 E47465 F47466 F39402 D49407 C49445 B69446 E69448 D69505 F8

10u

16V

-12V

VTSupply

MainSupplyGND

160VD

Beam_Limit

Frame_OUT

EHTO

FILAMENT

EHT

3460

100K

I465

8K2

100n

0V6

A4

0V9

A4

2K2

3R3-

47K

0n/250V 4R73474

A4

3R33R93R9

-

220K

D

8K2

LPD CPT

3R3

n/1K6V

-

33n

0p/500V

n/2Kv

501-19276

"FSQ

56K

0511/33u

-

LINE DEFLECTION

LPDLPDSize

A1

A4

15RF14"Tube

3473

-

LATAMRegion

25H 2K2

20" 21"FSQ

100K

4R7 2R2

F448

F449

F446

6451

BAS316

3455

2K2

5

8K2

33n2441

CL 36532044_002.eps200603

F449


F448


v DC/ div

v AC div

G

1 2 3 4 5 6 7 8

3474

3R3

Frame_FB

VDrive+

-12V

I462

2K2

3464

0V4

12V212V8

12V2 0V

12V212V8

VERTICAL

A4

COILDEFLECTION

3465

1K

22n

2472

3473

3R3

F461

1R0

3478

470p

2464

220R

3472

1K

34667465BD136

7463

BC546B

1M3462

3477

3R3

1

2

VH

0222

3139 123 5596.1

F461

20V / div DC5ms / div

100V / div DC20µs/div

2V / di20µs

5V / div AC20µs / div

I461

0.5V / div DC5ms / div

I462


I465

1V / di5ms /

Mono Carrier: Deflection

VG2

EHT

FOCUS

1 2 3 4 5 6 7 8

A

B

C

D

E

950

2426 1n

0221VH

1

4

33K

3449

220R

9445

3446

1R

2R2

2455

9446

82R

3425

MainSupply

HDRIVE

VDrive-

-12V

Vaudio

Filament

-12V

FILAMENT

Hflybk

2460

56n

2406

470n3403

1K

9402

RGP10D

6447

I461

6421

BY

W76

3463

2K2

RGP10D

6463

68R

3469

6461

RGP10D

6460

3468

330R

1K3432

9448

3428

68R

160V

10u24

65

6422

BY

D33

M

2444

470u

BA

S31

6

3451

BC857B7461

HORIZONTAL

22n2453 - -

RE

S

0V9

120K

5V7

94V4

TO PICTURE TUBE

TO CRT PANEL

DEFLECTION

3V3

0V3

1V5

3V3

0V8

100K150K

-

68u/LHL08

10KNFR25H 2K2

1n5/2KV

34562K2470R

47K

- 680n/250V 562423

5401

COILDEFLECTION

5V4

A4

Frame Deflection

120K

0V9

0V

20V6

A4

A2

2K28K2

Line Deflection

0V5

5441

47K

3450

33K

47K3460 100K

3451

150K150K100K220K3447

Tube

2406

LINE DEFLECTION

LPLPDCPT

34551K8680R

3442

- 360n/250V -

JF0501-19255

1515n/1K6V13n/1K6V13n/1K6V

33u/LHL08

2424 1n/2KV -

-

--

00425/82u

47K

15n2452 - 10n

3441

15n

2408 560n/250V

22n

- 47

1

3646

JF0

-

JF0501-19255

LPD2120"

10K

LATAMRegion

Size

0--5402

14" 15RF

1M 1M

JF0501-19255

0V

RES

A4

470p

2457

2441LOT

A2

RE

S

RE

S

RES

RE

SRES

2n22457 -3402 - - NFR

3441

1n2461

1N4004

6423

BC817-257422

BAV21

6408

3439

3R3

100K

3447

2471

2470

15n

2427

100n

3440

33K

6452

BAS316

3444

1R

F425

3470

3471

BC807-25

7423

2423

10n

2447

10u

F422

3402

2K2

RGP10D

6446

DC

12

5402

6444

EGP20DL

BA

S31

6

6426

550

2420

100n

3422

330K

6407

BAV21

2428

47u

9407

1

10

2

3

4

5

6

7

8

9

F407

11425441

BZ

X79

-C33

6453

33u

5401

150K

3459

470u

2446

BD135

7464

3476

3424

22R

BF4237440

1R3445

2463

100u

50V

6462

RGP10D

3430

1K0

2407

100p

1R

3448

6445

BA

S31

6

PSD10-204B

1

3

5

65421

6464

BA

S31

6

1R

3443

3426

47R100n

2421

1462

2408

12n

2424

820p

BUT11APX

7421

2473

470p

2429

220n

3461

2K2

1n2462

2405

47u

1463

3475

10K

3442

7462

BC857B

4405

7466BC847B

F407 F422 97VDC F446F425


A

B

C

0283 C70285 C71000 B31001 B61003 B12001 B22002 B32003 C32004 C32005 B5

6 7

1 2 3 4 5 6 7

2006 B12007 B53001 A23002 B23003 B23004 B23005 A14000 C44001 C25001 B55002 A45003 A46001 B59002 A49282 A4

A4

A4

0285

0283

3

4

5

G1984M

VIF_1

VIF_2

ply_A

CL 36532044_003.eps200603

Mono Carrier: Tuner IF

GND NC

1 2 3 4 5

A

B

C

100u

2002

2005

220n

10u

2007

4001

1000

TUNER

UV133630

02

RE

S

TUNER IF

RE

S

A4

A4

A4

F003

22K

100R

3003

BZ

X79

-C33

6001

3004

100R

22p

2003

3001

4K7

2004

22p

5001

820n 2

9002

2001

10n

OFW1001

1

9282

5002

5003

EH-B

10031

2

3

VS

9

VTS

4000

1

AGC

3AS

10

11IF

12 13 14 15 6 8

4SCL

5SDA

2TU

7

3005

100R

10V

470u20

06

+5V

SCL

SDA

TUNER_AGC

+5V

VTSup

VTSupply

3139 123 5596.1

F003

200mV / div AC20µs / div


A

B

C

D

E

F

G

0217 C100240 F21201 B21202 D11621 B41622 E102201 A22202 A32203 A22204 B22205 B32206 B42207 B22208 C22209 C2

10 11

10 11

2210 D22211 D12212 D22231 F62232 F62233 F72481 F32482 F22483 F22484 F22485 F32486 F32487 F42488 F52489 F52490 F62491 E12492 B92493 A92494 B72495 G12496 G42497 G52498 F22601 B42602 B52603 B52604 A52605 C72606 C72607 C72608 C82609 A62612 D82615 E72616 E82641 B112642 B102643 F23201 A33202 A23203 A43204 B23205 B33206 B33207 B33208 C23209 C23210 D23231 F73232 F83233 F83410 G53479 B83480 F4

4661

3481 F33482 G33483 F43484 F53485 G53486 G53487 G63488 G43489 G63490 G43491 A73492 B73493 B83494 A83495 A93496 A103497 A103498 G33499 G33601 A53602 A53603 A53604 B53605 B5

3606 A53607 B63608 B63609 B73618 A53619 D73620 D83621 D73624 E93631 A73632 B73633 A73634 C83641 A113642 C103643 B113644 A103645 C93646 F24491 A94602 A74603 A74604 A64606 A4

NC

6SCL

5SDA

M24C047641

2E1

3E2

1

4661 C95201 B25482 E15601 B85602 C85603 C86481 G36491 B96492 A106624 E96625 D106626 D86627 D86628 D86681 E87200 C27201 B37202 A47491 A77493 B97494 A107495 G27496 A87601 D97641 A109201 A39240 G19286 A69410 G59604 A6

22u

25V

02171

2

3

4

5

6

7

3643

100R

1n 2641

231

22n

A2

A2

To 1300

3V3

3V3

A8

A4

A4

A4

A8

A2

A8

NVM

3V3

3V3

5V

6V3

A4

A4

A8

A2

A2

5V7

of CRT PANEL

249

6624

BAS316

1K0

3645

3484

F494

6625

BZ

X79

-C8V

2

364

4K7

3644

100R

3641

BZX384-C5V6

6492

3497

390R

3496

10R

3

248

2

3

4

5

6

7

8

1622

1

248

F642

F643

22n

233

8

VCC

4

VSS7

WC_

7494BC337-25

3495

33R

2

10V

2493

470u

1K0

3624

264

AV7091

1n0

2642

100R

3642

3233

GREEN

RED

BLUE

FILAMENT

Frame_OUT

Beam_Limit

Frame_OUT

BLK_IN

FILAMENT

160VD

FIL

AM

EN

T

+8V

WP

+5V

G_SC1_IN_Y_IN

ITV_DATA_OUT

B_SC1_IN_U_IN

R_SC1_IN_V_IN

FBL_SC1_IN

+8V

SDA

SCL

SANDCASTLE

+3V

3

CL 36532044_004.eps200603

I211


F603


F604


F605


G

1 2 3 4 5 6 7 8 9

33K

3487

3498

10K

F481

3488

100R

2

A4

A2

A4 A2

A4

A4

FOR ITV ONLY

A4

A4

A2

A2

A2

3232

1K0

3231

560R

3482

3K3

BA

S31

6

6481

1n0

2496

2495

22u

25V

3499

27K

3489

10K

2

3485

1K0

100p

2481

6

EH-B

3

4

5

3486

1K0

1n0

2497

LE50CZ7495

GND INOUT

3K3

3490 34

10

68K

9240

100R

9410

TV_BUZZER

ITV_PORT

VD

rive+

EH

TO+8V

Hfly

bk

VD

rive-

ITV_CLOCK

+5VS

Vaux

ITV_DATA_IN

SA

ND

CA

ST

LE

+3V

3

HD

RIV

E

+8V

D

3139 123 5596.1

F481

0,5V / div DC20µs / div

F494


F493


F492

2V / div DC20µms / div

F491


Mono Carrier: Video Processing

H-OSC + PLL

AGC CIRCUITNARROW BAND

PLLDEMODULATOR

VIDEO SWITCH

VIDEO IDENT.

VIDEO FILTERS

VISION-IFALIGNMT-FREE

PLL DEMODAGC/AFC

VIDEO AMP

DEEMPHASIS

AUDIO SWITCH

VOL CONTR

RGB/YUV INSERTRGB/YUV MATRIX

SATURATION

YUV/RGB/MATRIX

CPUI2C-BUS

VST PWM-DAC

I/O PORTS

ROM/RAMTELETEXT

CLOSED CAPTIONACQUISITION

1/10 PAGE

MEMORY

TXT/OSD/CC

DISPLAY

EW GEOMETRYV-DRIVE +

GEOMETRY

H-DRIVE

2nd LOOP

H-SHIFT

H/V SYNC SEP.

5u65601

1 2 3 4 5 6 7 8 9

A

B

C

D

E

F

1u0

F604

3634

1K033p

F605

A4

A8

3481

18K

2492

I211

2602

33p

2485 1u

10V

F493

100R

3631

8K2

3632

2K2

3602

3491

56K

2612

220u

100R

3604

6626

BA

S31

6

470R

3621

2K2

3601

3607

100R

100n

2605

2608 1u

9201

22K

3492

1V

2V3

SD

AM

3V2

9257

3V6

4V

0V

3V8

1V6

1V6

2V7

0V1V3

1V4

3V2

0V0V

100p

3V4

Stereo

4n7

A3,

A5

A4

12V

A1

A4

, A6

6V7

A3

A3

A4

6V3

3V4

8V

2V3

8V

5V

3V2

2V3

3V8

0V8

3V4

3V9

3V8

1V9

1N

ITEM #

A5 A1

A7

10R

3V3

2206

A8

3V6

4V

2V6

2V7

RES

A8

A8

2V7

A5 A4

A7

2V7

8V

A6

A7

A4

4M5

A4

10R

A8

A3,

A5

A1

A4

13V4

9V3

8V7

4V

3V4

3V3

A8

0V

2V4

0V2

1V5

3V4

1V9

1V9

3V3

4V

0V

0V3V3

3V3 0V

20V

23V

3

3V30V

2

3V3

7V7

3V1

3V2

0V

3V7

0V2

0V4

1V

Mono

VIDEO PROCESSING

3V3

A36V3

39K

3480

3618

2K2

3V3

0V

1V1

1V9

4603

4604

2u2

8

TPS1201

2G

1I

3O

12M

1621

1K3206

3202

100R

2604

10u

16V

39K

BC847B7202

7601PDTA114ET

3205

270R

1M0

6

2212

220n

2210

220n

7201

BC847B

9604

470u24

91

2207

100n

1n

2211

100n

2208

4606

4u7

5201

F491

680R

34943603

2K2

2490

4u7

2202

820p

2603

4491

470R

3619

100n

2488

100n

2203

3207

390R

2201

4n7

2489

100n

6681

BA

S31

6

1K0

3633

2606

1202

100n

2486

4n7

6628

BA

S31

6

7491BC847B

16V

470R

3209

1M483

5u65603

5602 5u6

3

3606

10K

22n

2232

4u7

2482

2205 10

u

220n

220924

87

2n210

0n4

5482

10u

F603

2607

100n

BA

S31

6

6627

3605

100R

25V

220u24

94

3201

2K7

2609

1n0

4602

02401

9286

3493

1n0

2615

2616

10u

16V

100R

3210

F492

82R

3204

7496BD135

660 616263 647 8 9

3620

470R

5

50

51

52

53

5455 56575859

40

41

42

43

44

4546 47 48

49

31

32

3334

35

36

37 38

39

4

2122

23

24

25 26

27 2829 3

30

11 12

13

14

15

1617

18

19

2

20

7200TDA93XX

110

220p

3

2206

4n7

L78L337493

2

GND

1IN

3OUT

470n

2601

B64

3208

470R

100K

3608

10K

3609

3479

2204

56p

1K0

3203

ITV

_MS

GT

V_B

UZ

ZE

R

AM

_FM

_MO

NO

+5V+8V

+8VD

+3V3

Vau

dio

(Vau

x)

+8V

+3V

3

+5V

SE

L_A

V1_

AV

2

Std

_Con

PW

_AD

J

ITV

_DAT

A_O

UT

STA

TU

S2

RE

SE

RV

ED

_B

RE

SE

RV

ED

_AIT

V_C

LOC

K

ITV

_PO

RT

VT

Sup

ply_

A

SY_CVBS_IN

C_IN

+8VD

KE

YB

OA

RD

L1_I

N

+3V

3A

+8V

ITV

_DAT

A_I

N

PO

R

WP

POR

CVBS_TER_OUT

VO

LUM

E

LED

VIF_1

VIF_2

TUNER_AGC

SC

L

SD

A IR

+3V3

REFO

LUMA DELAY

PEAKING

BLACK STRETCH

PAL/SEC/NTSC

DECODER

BASE-BAND

DELAY LINE

CONTR/BRIGHTN

OSD/TXT INSERT

CCC

WHITE-P ADJ

Y

Y

H

V

R

R

G

B

G B

R G B

BL

U

V

F643

0,5V / div DC20µs / div

F642

0.5V / div DC20µs / div


10 11

A

B

C

D

E

F

1821 A12821 A42822 B42823 D22824 D32825 B42826 A42827 B52828 E32829 E3

9 10 11

9

2830 F72831 E32832 C32833 B52834 A22835 C32836 C32837 B22838 E72839 D62841 C82842 B102843 B102844 C82845 D82846 D82847 D72848 D82849 D82850 E82851 E82852 E82855 C92856 C92857 D92858 E92859 E92860 E92861 B52862 A42863 D73822 D23823 D23824 C23825 B23826 C23827 E53828 E53841 C83842 D93843 D93852 E84821 B84822 B84841 E104842 E104843 C104844 C104845 D104847 A34848 A34849 B24850 C24851 C35821 A45841 D107821 B37841 C89821 F11

100n

2860

4844

I847

3842

100R

A8

2

A4

A8

A8

A4 , A8

A8

A8

A6

1u

47n

2857

A6

A4

A4

A4

V2

V2

V5

V2

V3

V3

V2

2V2

2

RES

1u

2856

2858

4842

AudioSupplyGnd

3843

100R

4841

1u

2859

1u0

1u0

2842

2843

48432855

1u

4845

10u

5841

9821

+5V

R_OUT

L_OUT

I848

L1_IN

R2_IN

SDA

SCL

R1_IN

L2_IN

Main_OutL

Main_OutR

AM_FM_MONO

CL 36532044_005.eps200603

ER

F

1 2 3 4 5 6 7 8

JMP

JMPJMP---

ITEM MONO BTSC STEREO

4841 ---48424845

---

3139 123 5596.1

I836


I847 I848



I830


Mono Carrier: Audio Processing (Stereo + SAP)

PLL

PILOTDET

MPXIN

SAPDET

AGC

AUXL1

AUXR1

OFFCAN1

OFFCAN2

WBTIME

Vcc

WBDET

SPECFIL

SPECTIME

SPECDET

NOISEDET

AUXL2

AUXR2

Rout

Lout

PE

SDA

SCL

GND

SUPERBAS

BAL

BAL

VCA

A

B

C

D

E

1 2 3 4 5 6 7 8

2K2

3824

100u

3825

2K2

35V

10n

2828

10u

2831

2846

10u 16V

4847

330n

2848

283415n

2826

4848

I830

I836

2V7

2V1

4V1

4V1

3V

2V1

8V4V1

4V1

1V1

0V5

4V1

4V1

3V3

3V3

1u

RES

AUDIO PROCESSING (STEREO + SAP )

AN5829S

3V4

2V3

2V3

5V

0V6

1V

2V2

2V2

2V2

2V2

2V

2V3

0V7

A4

180K

3841

21V

RE

F

4V1

4V1

4V1

4V1

4V1

4V14V1

4V1

3

2

3

3

3

3

2

2VRES

RES

RIN22 ROUT 15

RT18

SC

L1314

SD

A

TD 16

VC

C23

VD 11

12

LT8

MODE24

1P

F1

PF

24 5

PF

3

PF

46

RB19

AGC2

BB20

BD 10

BLD 17

7G

ND

LB9

LIN3 LOUT

AN5891K7821

LEVEL SENSE

VOL

TONE

CONTROL

AGC

SU

RR

AGC TONE

VOL

IIC BLOCK

10u

10u

2838

2832

2850

2852

100n

100u

2847

14

15

16

17

18

19

2

20

21

22

23

24

3

4

5

6

7

8

9

7841

1

10

11

12 13

220p

2861

2K2

3826

33n

2822

1

2

3 470n

2837

1821

10u

2824

3828

100R

2829

100n

10u

39n

2825

10u2833

2839

10u

16V

220p

2863

2821

2830

10u

3827

100R

100n

2851

10u

5821

3823

2K2

50V2u2

2844

4821

100n

2836

4849

2841

4u7

3852

2M2

2823

10u

22n

2849

33n

2827

2845

4u7

10n

2835

2862

220p

4822

4850

4851

3822

220K

SCL

SDA

+8V

AUDIO SOUND PROCESSOR SOUND MULTIPLEX DECOD


05

10

A

B

C

D

E

F

0246 B100251 F29 10

9

2901 A62903 A52904 B42905 B42906 C42907 C42908 C22909 D42947 C82948 C92949 C92950 C92951 B52952 C53551 F23901 A43902 A43903 B33904 B43905 C33906 C43907 D43908 B23909 B33910 B33911 C34921 A34922 C86565 F26908 D26909 D37901 B67902 D69565 F29901 B89902 B89903 B39905 C39921 A3

100p

2949

F9060246

1

2

3

4

5

A7

SPEAKER

AmpOutR_Pos

A7

A7

A7

2 X 1W

2 X 5W

8 ohm

AmpOutL_Pos

3906

YES

NO

7901

-

8 ohm2 X 3W

AN7523N

-

7902

16 ohm

*

MONO

* 0246

3 Pin

5 PinAN7522NSTEREO

1

2948

100p

0251

100p

2947

F907

F908

2950

100p

AmpOutL_Neg

AmpOutL+

OutR_Pos

AmpOutR+

eg

AmpOutL_Pos

CL 36532044_006.eps200603

L

R

F901 F903 F908F907F905 F906

F

1 2 3 4 5 6 7 8

FOR ITV ONLY

2

3

4

3551

10K

EH-B

ITV_Vbatt

+5V

Vaux

3139 123 5596.1

0.5V / div AC1ms / div




0,5V / div AC1ms / div

0,5V / div AC1ms / div

Mono Carrier: Audio Amplifier + Mono Sound Processing

F9

A

B

C

D

E

1n2905

1 2 3 4 5 6 7 8

4922

9921

330K

3908

15K

3903

6909

1N41

48

3906

10K

3904

9902

9903

5V2

RE

S

A4

*

1V4

RE

S

RES5V2

RES

RE

S

RES

RES

A4

0V3

5V2

6V

13V

5

*

6V

*

1u

1V4

5V2

3V8

1V4

0V4

A4

MONO OUTPUT

STEREO OUTPUT

AUDIO_AMPLIFIER + MONO_SOUND_PROCESSING

11V

8

3V7

2901

F903

A4

1u

2904CH1+

2

CH1-

4

CH1-IN6

CH2+ 12

CH2- 10CH2-IN8

GN

DC

H1

3

GN

DC

H2

11

GN

DIN

P

7

ST

B

5

VC

C

1

VOL9

7901AN7522N

99011N

4148

6565

3907

3K3

BZ

X38

4-C

2V7

6908

330K

3909

3K3

3902

4921

2952

820p

820p

2951

2903

2908

10u

16V

2909

10u

F901

100K

3911

5

VCC

1

VOL9

7902AN7523N

CH1+

2

CH1-

4

CH1-IN6

GNDCH1

3

GNDINP

7 8

NC

STB

3901

1K

1u

2906

9565

330K

3910

9905

1n2907

15K

3905

Main_OutL

TV_BUZZER

FILAMENT

Vaudio(Vaux)

Vaudio (Vaux)

VOLUME

+5V

Amp

AmpOutR_N

Main_OutR


A

B

C

D

E

F

0218-A C10218-B B10218-C B10232 E40239 B60259 E80277-A B10277-B B11181 A21182 B21183 C21184 A41185 B4

1603

8 9

8 9

1600 B91601 B91602 B81603 B81604 B81606 B71681 E91981 E31982 F32181 A32182 B32183 C32185 B22186 C22691 D92693 F72694 F72695 F82696 F82981 E22982 E32983 F22984 F33181 A23182 A23183 B23184 B33185 C23186 C33681 A93682 B93683 A73684 A73685 A83686 A83687 A93688 B93689 B63691 D83692 D73693 D93694 D83695 C73981 E23982 F24692 D74694 F64695 C84698 C84699 C94981 E24982 E24983 F24984 F26181 A36691 D76692 D89181 B39683 A79694 D79982 E2

3687

2K2

3

4

5

VD Eject

3691

330R

2696

200R

3688

5

1604

4698

CR

RES

0R

* FOR ITV ONLY

ONLY

volume+

INTERF.

FOR MTV

TO

volume-

FRONT

channel+

PANEL

channel-

FOR ITV ONLY

RE

S

RE

S

RE

S

16811

2

1600

3682

2695

220R

3693

982

70p 4

981

2691

100u

3685

200R

02591

2

3

4

4699

*

3K3

4695

TSOP18366692

2GND

1OUT

3VS

1602

120R

3681

1K0

3694

4K7

100u

3686

430R

1601

IR_OUT

IR

+3V3B

+5VS

LED_OUT

+3V3A

CL 36532044_007.eps200603

F

1 2 3 4 5 6 7

100u

2983

RE

S

A6

A6

RE

S

For Engg Purpose Only

RE

S

RE

S

269449

84

4983 19

82

2 4

9982

2984

470p

2

3

7

8

9

1

2693

4694

120R

3982AmpOutR+

AmpOutR_Pos

3139 123 5596.1

Mono Carrier: Font I/O + Front Control + Headphone

B

C

D

E

1 2 3 4 5 6 7

A

4692

1182

3186

47K

F691

3692

RE

S

A6

D

2

3

0232

3183

150R

3

02391

2

47K

3184

7

8

9

11841

6691

LTL-10224WH

HEADPHONE

TO 1121

*

SOCKET

YESNO

R

A4

FRONT CINCH

OF

OF

A4

*

TO 1124

FRONT CONTROL

TO

A6

ITEM

YESRES0218

0277

MONO STEREO

NO

HEADPHONE

POWER

RE

S

RE

S

RE

S

L

*

MONO SET

A4

*

USA

*

FRONT IO + FRONT CONTROL + HEADPHONE

TS

RE

S

V

*

1010 OF

0218-C

1

2

3 1181

2185

3689

2183

330p

BZ

X79

-C6V

8

6181 96

83

9694

0218-A

0218-B

4

5

6

1

5

6

3181

75R

1606

3185

150R

1185

1

2

3

4

5

6

1183

4981

4982

3684

3182

100R

22p

2181

3981

369591

81

2981

330p

2182

2186

3683

120R

0277-B

IR

0277-A

AmpOutL+

LED

KEYBOARD

AmpOutL_Pos

F691

1V / div AC2ms / div


A

B

C

D

E

F

G

0223-A A100223-B E10223-C C10223-D A10224 A60225-A D100225-B D100229 F90242 E20262 G51101 A21102 B21103 B21104 C21105 C21106 D21107 F11108 F11109 G1

9 10

9 10

1110 A91111 B91112 B91113 C91114 D91115 E91116 C31117 C31118 D31119 A21121 E31122 F41124 F31125 E21126 F31127 G32101 A32102 A32103 B32104 B32105 B42106 B42107 B22108 B22111 C42112 C42113 D42121 F22122 F22123 F52124 G22125 F52127 F22128 G22131 B82132 B72133 B82134 B72135 C82136 D82137 B92138 B92141 E92161 D62163 D83101 A33102 A33103 B33104 B33105 B33106 B33111 C23112 C43113 C23114 C43115 D23116 D43121 F23122 E23123 F23124 F23125 F23126 G23131 B83132 B83133 B83134 B83135 C93136 C83137 D93138 D83141 E93151 C43152 C43153 D4

3154 A43155 B43156 B53157 B53158 B43159 B53161 D73162 D73163 D7

4126

3164 D74101 B14102 B24104 B14105 B14112 C44114 C44116 D44121 C94122 F34123 F34124 G34126 F54127 F54128 E54129 E24131 C94132 E54133 A74151 B44152 B54161 E74162 E84163 G24164 G26127 F36151 A46152 A56161 D87101 A47151 A57152 B47161 D77162 D79101 D29102 C29103 C29121 F19125 F59126 E5

75R

3135

(FOR SETS WITH 9 +3 P CINCH)

R

(FOR SETS WITH AV1 & SVHS ONLY)

AV2 INPUT

V

SVHS INPUT

L

123

3141

1K0

4131

0225-A

2

7

3

8

1

1113 5

10

4

9

6

11

0225-B

100p

2137

3123 2u22123

3137

75R

100p

2138

1112

1111

2

4

1

1110

0223-A

3

1115

3

29

2141

330p

1114

4121

6 L1_IN

CL 36532044_008.eps200603

**

**

** AV2 and SVHS inputs NOT for LATAM

F

G

1 2 3 4 5 6 7 8

2127

330p

2122

1109

+8V +8VA

4124

FOR ITV ONLYRE

S

A4

A5

A5

FOR 1185OF

R

RE

S

L

FOR ITV ONLY

For ITV Only

To 11181127

150R

2u22125

47K

3126

1108

2128

4123

EH-B

4

150R

3125

4127

9121

02

3124

47K

3

0262

67

891

2

4164

7

6

5

2124

330p

4

5

1

2

3

4163

R1_IN

GND

ITV_MSG

3139 123 5596 .1

Mono Carrier: Rear I/O Cinch

E

1 2 3 4 5 6 7 8

A

B

C

D

22p

2121

7161BC847B

3153

3151

1 2 3

EH

-B

0224

3116

100R

L_OUT

R_OUT

+8VA

+8VA

+8VA

+8V

3111

75R

4133

2161

1u0

9101

4116

BC848B7152

4114

3136

3121

75R

1107

3106

220K

1117

4128

For ITV Only

Y For ITV Only

To 1126

1V8

U

For ITV Only

A4

A4

FOR 1184OF

RE

S

To 1127

For ITV Only

FOR ITV ONLY

RE

S

SETR

ES

2V4

V

AV1

YUV INPUT

V

For ITV Only

INPUT

For ITV Only

To 1116

*

RE

S

MONITOR OUTPUT

*

L

OUT

*

REAR I/O CINCH

VIDEOWITH

To SPLS Panel

To 1125

To 1117

RES

A4

A4A4

A4

A4

A5

A4

A4

A5 A5

A5

RES

SET W/O SVHS

FOR ITV ONLY

R

SET WITH VIDEO OUT

RES

4162

8V

V

RE

S

FOR ITV ONLY

RES

1126

150R

3105

4 5 6

1119

4132

1101

1118

4129

10K

3154

3158

10K

1125

1116

BZX384-C5V6

6151

3152

2103

330p

100R

3122

7101BC847B

6152

BZX384-C5V6

22p

2102

9103

1104

3103

150R

3112

100R

3155

2163

10K

1u0

BC848B7151

4152

BZ

X38

4-C

6V8

6127

22p

2135

2133

330p

330p

2131

4101

22p

2112

0242

1 2 3 4 5 6 7

5K6

3164

7162BC847B

4105

3138

100R

4102

10u

4104

2105

11221

2

1105

3132

47K

4112

100K

3156

3157

10K

2u2

2134

2u2

2132

9126

3115

75R

3133

150R

150R

3131

4161

2108

9102100R

2113

22p

16

13

470n

2101

0223-D

15

1411

03

47K

3134

10K

3162

33K

3161

9125

2136

22p

2111

22p

BZ

X38

4-C

6V8

6161

330p

2104

2107

3163

1K0

8

0223-B

0223-C

11

10

12

9

2106

10u

75R

3113

1

2

3

1124

3114

1121

100R

4122

3159

100K

4151

1K3102

1106

3101

68R

1102

220K

3104

G_SC1_IN_Y_IN

B_SC1_IN_U_IN

R_SC1_IN_V_IN

STATUS2

SY_CVBS_IN

R2_IN

SEL_AV1_AV2

L2_IN

C_IN

+8V

FBL_SC1_IN

CVBS_TER_OUT


- - -

- - - - -4102

-

BC847B

BZX384-C6V8 -

JMP -

-

JMP -

JMP

JMPJMP

JMP

1

-

2 3 4 5

E

F

E

F

JMP

-

4133 JMP

JMP

JMPJMP

JMPJMPJMP

JMP

JMPJMP

JMP

JMP

-

JMP -

JMP -

- - -

JMP - -

- -

BZX79-C6V8

- -

-

- - -

JMP -

JMP

JMP

JMP

- -

BZX79-C6V8 - - -

JMP -

- -

-

JMP

JMP

JMP

JMP

JMP

-

JMPBZX79-C6V8

BC847B

JMP

JMP

- -

JMP

JMP -

- -

JMP

JMP -

-

BZX79-C6V8BC847B

-

-

JMPJMPJMPJMP

JMPJMPJMP -

-

BC847BJMPJMPJMPJMP

- -

-

- -

BZX79-C6V8

41044122412341244126412741294132

4151415241616127618171019101

-

91039125

9102

3139 123 5596.1 CL 36532044_009.eps200603

Mono Carrier: Diversity Table for Rear I/O Cinch

JMP

75R100R150R47K

- - - - - -

ITEM

-

1 2 3 4 5

JMP

-

A

B

C

D

A

B

C

D

- -22P330P1U - - - - - - -220N1N22N

22N -JMP68R1K150R220K - - - - - -

150R

- JMP

1K

- -

47K

100R560R1K

- -

-

100R - -

-

-

-

470N22P330P

10U -

-

-

22P330P

220N -

- - - - - - - - - - -

22N

- - - - - -

-

- - - - - 75R100R

47K

-

- - - - - - - - -

1U

- -

- -

75R

-

75R100R75R

100R150R

-

150R47K -

- - - 100R

560K

-

-

-

-

1U

-

47K

470N

330P330P10U10U22P22P22P22P330P

1U1U1U

1U330P

-

-

-220N1N22N22N22NJMPJMP68R1K150R220K150R220K

-

100R

JMP - - - 75R100R150R47K - -

100R - -

JMP

-

22P

-

1U - - - -22P330P -220N - - - -

-

-

-JMP68R1K150R220K - - - - - - - -

-

JMP

2113 22P

2122 -

470N22P330P -10U -

330P

-

1N22N22N22N

- - - - - - - - - - -

-

- - - - - -

75R100R150R47K150R

100R560R1K

100R

JMP

- 75R100R150R47K150R47K100R560R1K -

- - - - - - - - -

1U

1U1U

22P330P

330P

220N

10U22P22P

-

- -1U1U1U22P330P330P220N1N22N

-

22NJMPJMP68R1K150R220K150R220K75R100R75R100R75R

4101

-

CN-F.11-ST-LA/NAL03S

CN-F.11-MN-LA

CN-R.11/10-MN-LA

470N22P330P

2231

10U

223328422843310131023103310431053106311131123113311431153116

22N

31223123312431253126318131823183318431853186321032313232

3121

CN-R.11/10-YUV-F.11-ST-LA/NA

CN-R.11/10-F.11-MN-LAL03S

CN-R.11/10-YUV-ST-LA/NA L03S

21012102210321042105

Diversity Table For

210621112112

2121

2123212421252132213421812182218322102211

Rear IO Cinch

2232


Mono Carrier: DVD Power Supply (Optional)

VCC

OSC

SS_INH

COMP GND BOOT

OUT

FB

1 2 3 4 5 6

1 2 3 4 5 6

A

B

A

B

1571 B61572 A62572 A2

1572

2573 A22574 B22575 B22576 B32577 B32578 B42579 B42581 A62582 A62583 B63570 B13571 A13572 A23573 B33574 A53575 B55571 A15572 A45573 A65574 A65575 B6

DVD_Gnd

DVD_Gnd

6571 B47570 A17571 A39570 A1DVD_Gnd

F566

SI2

306D

S75

70

31

2

DVD_Gnd

DVD_Gnd

1n0

2578

DVD POWER SUPPLY (OPTIONAL)

RES

To D

VD

Eng

ine

10u

DVD_Gnd

10u

10u To M

PE

G C

ard

10u

2K7

VTSupply_A +5V_DVD

+12V_DVD

DVD_Supply

16V

DVD_Gnd

1m025

79

25V

100u25

72

100n

2577

5571

22n

2576

F568DVD_Gnd

8K2

3573

DVD_Gnd

DVD_Gnd

5574

100n

15711

2

3

425

75

2n2

2574

22K

3572

4K7

DVD_Gnd

3574

3575

5572

47u

6571

SB

340

10V470u

2583

DVD_Gnd

5573

33K

3571

33K

3570

2582

470u 10V

10V470u

2581

5575

F567

9570

220n

2573

DVD_Gnd

DVD_Gnd

DVD_Gnd

1

2

3

4

5

6

7571L4978

1

2

3 4

5

67

8

3139 123 5596.1 CL 36532044_010.eps200603


Layout Mono Carrier: Top Side


1521 B2 2580 C2 3476 C6 3981 B1 6691 A1 9263 E4 9821 C4

Side

CL 36532044_18m.eps220503

2233 B5 2841 B5 3159 C6

440 D5441 E6447 C5451 C5453 D3454 D3455 C5456 C3460 C5461 C6462 C6463 D6465 C6466 C6480 A5481 A5485 A5486 A5487 B5489 A5492 A3499 B4520 D3522 D3524 E3525 E4528 D3541 D3545 D3547 D3548 D3551 C3570 C3571 C3573 C3575 C3580 C3581 D3601 A4602 A4607 A4608 A4609 A4642 A4643 A4644 A4645 B4646 A5681 C1

3682 C1684 B1685 B1686 B1687 C1688 C1689 B1691 E1692 E1694 E1695 C2822 C4823 C4824 C5826 C4841 B5852 B5904 B3

3906 B33907 B33909 B33910 B33911 B34000 A64001 A54101 A64102 B64104 B64105 B64112 B64114 B64116 B64121 B64122 B64123 B64124 B64126 B64127 B64128 B64129 B64131 C64132 B64133 B64151 C64152 C64161 B64162 B64163 B64164 C64405 D54491 A34560 C44571 C54602 B44603 A44604 A44606 B44610 B44661 B44692 C24694 C14695 E14698 B24699 B24821 C54822 C54841 C54842 C54843 C54844 C54845 C54847 B44848 B44849 B44850 C44851 C44921 B34922 B34981 D14982 D14983 D14984 D16127 B66151 C66152 C6

6161 C66426 C56445 C56451 C56452 C56460 C66464 C66481 B46491 A36492 A46505 D36624 B56626 B46627 B46628 B46681 B46908 B37101 B67151 C67152 C67161 B67162 B67201 B57202 B47422 C57423 C57451 D37461 C67462 C67466 C67491 A37520 E37522 E47523 D37541 D37570 C37580 C37601 B47841 C5

1522 B21523 B21524 B21560 C41570 C31571 D21572 D21600 C11601 C11602 D11603 D11604 D11606 A11621 D41622 D41681 C21821 D4

2581 D22582 C22583 C22584 B42604 E52612 D42616 D52691 B12821 D42823 C52824 C42830 C42831 D42832 C42833 D42834 D42838 C4

3477 C63478 B63479 E33482 D43483 E53484 E53488 D53490 D53491 E33493 E33494 E33495 E43496 E43497 E33498 D43500 A33501 A4

3982 B15001 E65002 E65003 E55201 D55401 B55402 B55421 C55441 A65482 D55500 B25501 B25502 B25505 C65506 A55509 C45515 A4

6692 B16909 D37200 E57421 A57440 C57463 B67464 C67465 B67493 E37494 E47495 E37496 E37515 B37521 A47540 B37571 C37641 E4

9264 D59265 D59266 D59267 D59268 D59269 D59270 D59271 D59273 D59274 D59275 D59276 D59277 D59278 D59279 E59282 E59283 E6

9840 C49841 C39842 C39843 D49844 D49845 D49847 C59848 C59849 C59850 C59851 C59852 C59853 C59854 C59855 C59856 D59857 D5

CL 36532044_17m.eps220503

2420 C52421 C52426 C52427 C52429 C62452 C32453 C32461 C62462 C62464 D62471 C52472 D62473 C52481 B42482 A52483 A52484 A5

2842 C52843 C52848 B52849 B52851 B52852 B52855 C52856 C52857 C52858 C52859 C52860 C52861 B42862 B42863 C52901 B32904 B3

3161 B63162 B63163 B63184 C13186 C13201 A53202 B53203 B43204 B53205 B53206 B53207 A53209 B53231 A53233 B53430 C53432 C5

33333333333333333

Mapping Mono Carrier: Top Side

0211 A20212 B20213 B30217 D40218 C10221 A50222 C60223 D60224 D60225 C70229 C60231 A20232 B10239 D10240 E40242 D60246 D30251 C30259 C20262 E60277 B10283 E50285 E61000 E61001 E51003 E61116 D61117 D61118 D61119 D61121 D61122 D61124 D61125 D61126 D61127 D61184 C11185 D11201 D51202 E51462 C61463 C61500 A21501 A21508 B41509 B41515 B31516 B41520 A4

2002 E62006 E62007 E62105 C62106 C62205 E52405 B52406 B52407 B52408 B52423 A52424 A52428 C52441 A62444 B62446 B62447 A62455 C52457 A62460 B62463 C62465 B62470 C62488 E52491 E52492 E32493 E32494 E32495 E32498 E52500 A22501 A32502 A32503 A42504 A42505 B22507 A42515 B42521 B32523 B42528 B32560 C42561 C42562 C42564 C52570 C32571 C32572 C32579 C2

2839 C42844 D52845 D52846 D52847 D52850 D52903 D32908 D32909 D32981 B12983 B13005 E63136 C63164 D63181 B13182 B13183 C13185 C13208 D53210 D53232 D53402 B53403 B53410 D53422 A53424 C53425 C53426 A53428 C53439 C53442 A63443 B63444 B63445 A63446 B53448 A63449 C53450 C53452 C33459 C53464 C63468 C63469 C63470 B63471 C63472 C63473 C63474 C63475 C6

3502 A33503 B33504 B33505 A33506 B33507 B33508 B23509 A23510 B23519 B33521 B33523 A43526 A43527 B43542 B33543 C33544 B33546 C33549 B33550 C33572 D33574 C23582 B43603 E43604 E43605 E43606 E43618 E43619 D53620 D53621 D43624 D43631 E43632 E43633 D43634 D43641 E43683 B13693 A13825 C43827 D43828 D43842 C53843 C53901 D33902 D33903 D33905 D33908 D3

5520 B45521 B45560 C45562 B45563 B55570 B35571 C35572 C25573 D25574 C25575 C25601 D45602 D45603 D45821 D45841 D56001 E66181 B16407 B56408 B56421 A56422 A56423 C56444 B66446 B66447 A66453 C56461 B66462 B66463 B66500 A36501 A36502 A36503 A36504 A36520 B46521 B46522 B36540 B36541 B36560 C46561 C46562 C46563 C46565 C36570 C36571 C26580 C26625 D4

7821 C47901 D37902 D39002 E69101 D69102 D69103 D69121 D69125 D69126 C69140 C69141 C69142 C69143 C69144 D69145 D69146 D69147 C69148 D69149 D69150 D59151 D69152 D59181 D19186 D19201 E59240 D39241 D39242 D49243 D49244 D49245 D49246 D49247 D49248 D49249 D49250 D49251 E39252 E39253 E39254 E39255 E39256 E39257 E49258 E49259 E49260 E49261 E49262 E4

9284 D49285 E39286 E49287 E59288 E59400 C59402 B59407 B59410 D59445 A69446 B59448 A69500 A29501 A29502 A39503 B29504 C49505 C69506 A59507 B39508 C39509 C49510 C39513 B59514 C69515 A49516 C39517 C49518 B59519 B59520 B49521 B59522 C29523 C39524 C39525 C39526 C69560 C49565 C39570 C39581 C39604 D49683 B19685 C29691 B19694 C29696 D29697 D29698 D2

9901 D39902 D39903 D39905 D39910 D39911 D39912 D39913 D39914 D39915 C39916 C39917 D39918 D39919 D39920 C39921 C39922 D29982 B1

Mapping Mono Carrier: Bottom

2001 A62003 A62004 A62005 A62101 B62102 A62103 B62104 B62107 B72108 B72111 B62112 B62113 B62121 B62122 B62123 B62124 B62125 B62127 B72128 B72131 C62132 C62133 B62134 C62135 C62136 C62137 C72138 B72141 C62161 B62163 B62181 D12182 C12183 C12185 D12186 C12201 A52202 A52203 B52204 B52206 A52207 A52208 A52209 B52210 B52211 B52212 A52231 B52232 B5

2485 A52486 A52487 A52489 A52490 A52496 A52497 A52520 D32522 D42524 E32525 E32526 D42527 D32540 D32541 D32542 D32543 D32573 C32574 C22575 C22576 C32577 B32578 C22585 E42601 A42602 A42603 A42605 A42606 B42607 A42608 B42609 A42615 A52641 A42642 A42643 A52693 C22694 C22695 C22696 C22822 C42825 C42826 C42827 C42828 C42829 C42835 C42836 C42837 B4

2905 B32906 B32907 B32947 B32948 B32949 B32950 B32951 B32952 B32982 D12984 D13001 A63002 A63003 A63004 A63101 A63102 A63103 B63104 B63105 B63106 B63111 B63112 B63113 B73114 B63115 B73116 B63121 B63122 B63123 B63124 B63125 B63126 B63131 C63132 C63133 B63134 B63135 C63137 C63138 C63141 C63151 A63152 B63153 B63154 C63155 C63156 C63157 C63158 C6

3333333333333333333333333333333333333333333333333


Layout Mono Carrier (Overview Bottom Side)


Layout Mono Carrier (Part 1 Bottom Side)


A

B

C

D

E

F

G

VG2 F90165 A71300 B11301-1 B71302-A D71303 A7

9 10 11

9 10 11

2300 B32301 D42302 E42303 F22304 F12318 E43300 A33301 C53302 B23303 B33304 B33305 C53306 C23307 D33308 D43309 D53310 D23311 E43313 A43318 E43319 E64300 B24301 C24302 D24303 B14304 B14305 B14306 B14307 E26301 E36307 E26313 B46316 C46317 D46318 E47307 B27308 B37309 C27310 C37311 D27312 D47313 A47314 B47315 B47316 C47317 C47318 D4

EHT

CRT

VG2

TO CRT SOCKET

FOCUS

FROM MAIN CHASSIS TO LOT

VG1

VG2

GND_CRT

CL 36532044_011.eps200603

G390R

SM JUMP

SM JUMP

4304

-

SOC N-NECK

4303

1 2 3 4 5 6 7 8

14"/15RF

3311

-

330R

SIZE

SM JUMP4305

-

4306

-

-

20"/21"

1301 SOC M-NECK -

1302

SM JUMP

3139 123 5604.1

F310


F301


F309


F308


F302


F303


CRT Panel

Blue

Green

Red

3V

99V

17V

Pin 3Blue

Pin 10Pin 4Heater

Pin 9Pin 5

8V

3V6

Pin 7

Blue

Pin 8

D

E

F

1 2 3 4 5 6 7 8

A

B

C

Ground

Heater

Heater

Heater

371V

TO C

RT

SO

CK

ET3V6

BAS321

BAS321

CRT PANEL

680p

Red

BAS321

102V

3V

Pin 8

Pin 7

TO 1

622

OF R

100V

98V

120V

2V2

5V9

98V

3V6

2V2

5V4

B

97V

17V

Pin 11

171V

99V

8V

8V3V

95V

VG1

G

2V3

2V3

5V4

3V

2V3

RES

Red

Green

Aquadag

RES

RES

RES

CRT 9 Pin 12 Pin

GND Pin 1 Pin 1 & 12

F302

F303

BZ

X28

4-C

8V2

6318

Pin 6

Pin 6 Pin 5

Green Pin 9

VG2

H19

RES

7312

BF422

GND_CRT

3308

BF4227308

9

3319

1K5

BF4237318 6

GND12

GND_CRT

2304

47n

6313

3309

1K5

1302-A

G31

4300

1301-1

160V

0165

F308

F309

3303

220R

BF4227317

BAS316

6301

G2

P77

P33

GND_CRT

CG

P88

7

CR8

11

GND_CRT

2302

180p

CB

6

7

8

4305

DIPMATE

13001

2

3

4

5

7307

6317

F310

6316

GND_CRT1

7309

7311

220R

3310

4301

P11

160V

GND_CRT GND_CRT

33K

4306

1303

7316BF423

4303

GND_CRT1

160V

3305

1K5

3306

220R

7310

BF422

H210

GND_CRT1

160V

4307

3302

220RGND_CRT

2318 1n

7315

BF422

P55

BF4237314

BAS316

3307

220R

6307

2303

1K5

3301

3318

220R

P66

2301

180p

GND_CRT1

P44

F301

P9

G15

3311

220R

2300

180p

4302

4304

3300

33K

33K

3304

BF4227313

Filament

160V

68R

3313

GREEN

BLUE

RED


6316 A26317 A2
6318 A27307 A27309 A27311 A2
CL 36532044_016.eps2205033139 123 5604.1

Layout CRT Panel (Top Side)

Layout CRT Panel (Bottom Side)

CL 36532044_015.eps2205033139 123 5604.1

VG2 A20165 A1 1300 A2 1301 A1 1302 A1 1303 A1 2303 A2 2304 A2 3300 A2 3301 A2 3304 A2 3305 A1 3308 A2 3309 A1 3310 A2 3313 A2 3318 A1 3319 A1 7308 A2 7310 A2 7312 A2 7313 A2 7314 A2 7315 A2 7316 A2 7317 A2 7318 A2 9300 A2 9302 A2 9303 A2 9304 A2 9314 A2 9315 A2 9316 A2 9317 A2 9318 A2

2300 A22301 A22302 A22318 A23302 A23303 A23306 A23307 A23311 A24300 A24301 A24302 A24303 A24304 A24305 A24306 A24307 A26301 A26307 A26313 A2

Personal Notes:


m Side)

CL 36532044_014.eps220503

3139 123 5716.1 CL 36532044_013.eps220503

Top Control Panel

Layout Top Control Panel (Top Side)

1014

1 2 3

1 2 3

A

B

A

B

1010 A11011 B3

1012 B31013 B2

1014 B23010 A1

3011 A23012 A2

3013 A3

430R

3012

3014 A33015 A33016 A3

10101

2

3

TO 0239

RE

S

TOP CONTROL PANEL

3013

1013V+C+ C- V-

0R

OF

PLUG&PLAY MENU

200R

3011

3010

101130

14

200R

1012

3016

2K2

1K0

3015

3139 123 5716.1 CL 36532044_012.eps130603

1010 A21011 A2

1012 A11013 A1

1014 B1

Layout Top Control Panel (Botto

3139 123 5716.1

3010 A13011 A1

3012 B23013 A1

3014 A13015 A2

3016 A2


Personal Notes: Personal Notes:

Electrical Alignments EN 45L03.1L AA 8.

8. Electrical Alignments

Index of this chapter:1. General Alignment Conditions2. Hardware Alignments3. Software Alignments and Settings Note: The Service Default Alignment Mode (SDAM) is described in the "Service Modes, Error Codes and Fault Finding" section. SDAM menu navigation is performed by using the MENU UP, MENU DOWN, MENU LEFT, and MENU RIGHT keys of the remote control transmitter.

8.1 General Alignment Conditions

Perform all electrical adjustments under the following conditions:• AC voltage and frequency: according to country’s

standard.• Connect the television set to the AC power via an isolation

transformer.• Allow the television set to warm up for approximately 20

minutes.• Measure the voltages and waveforms in relation to chassis

ground (with the exception of the voltages on the primary side of the power supply). Never use heatsinks as ground.

• Test probe: Ri > 10 M ohm; Ci < 2.5 pF.• Use an isolated trimmer/screwdriver to perform the

alignments.

8.2 Hardware Alignments

Figure 8-1 Top view family board

8.2.1 Vg2 Adjustment

1. Activate SDAM by pressing the following key sequence on the remote control transmitter: 0 6 2 5 9 6 directly followed by the MENU button (do not allow the display to time out between entries while keying the sequence).

2. Use the MENU UP/DOWN keys to highlight the WHITE TONE sub menu.

3. Press the MENU LEFT/RIGHT key to enter the WHITE TONE sub menu.

4. In the WHITE TONE sub menu, press the MENU UP/DOWN keys to select NORMAL RED, NORMAL GREEN, or NORMAL BLUE.

5. Use the MENU LEFT/RIGHT keys to set the values of NORMAL RED, NORMAL GREEN and NORMAL BLUE to '40'.

6. Press the MENU button twice to enter the normal user menu.

7. In the normal user menu, use the MENU UP/DOWN keys to highlight the PICTURE sub menu (if necessary).

8. Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.

9. Use the MENU UP/DOWN keys to select CONTRAST. Be sure to record the current value of CONTRAST.

10. Use the MENU LEFT/RIGHT keys to set the value of CONTRAST to '0'.

11. Use the MENU UP/DOWN keys to select BRIGHTNESS. Be sure to record the current value of BRIGHTNESS.

12. Use the MENU LEFT/RIGHT keys to set the value of BRIGHTNESS to minimum (OSD just visible in a dark room).

13. Press the MENU button twice to return to the top level SDAM menu.

14. Press the OSD/STATUS button to hide the SDAM onscreen display ("S" indication remains visible). This, to avoid interferences during the waveform measurements

15. Connect the RF output of a video pattern generator to the antenna input, and input a 'black picture' test pattern to the television set.

16. Set the oscilloscope to 50 V/div and the time base to 0.2 milliseconds (external triggering on the positive vertical pulse with a 10:1 probe).

17. Ground the scope at the CRT panel and connect a 100:1 probe to one of the cathodes of the picture tube socket (pin 7= Red, pin 9= Green, and pin 3= Blue, see also schematic diagram B1). Measure the level of the black current measuring pulses. These are the second line (Red), third line (Green), and fourth line (Blue) directly after the frame blanking (see figure "V_cut-off"). Remark: This chassis is using a TDA93XX UOC series. These use two different measuring pulses at each of the R, G, and B outputs. The above-mentioned level applies to the pulse with the lowest level of each gun.

18. Select the cathode with the highest V_dc value for the alignment. Adjust the V_cut-off of this gun with the SCREEN potentiometer (see figure "Top view family board") on the LOT to the correct value (see table "Vg2 alignment values").

19. Press the OSD/STATUS button to display the SDAM onscreen display.

20. Press the MENU button to enter the normal user menu.21. In the normal user menu, use the MENU UP/DOWN keys

to highlight the PICTURE sub menu (if necessary).22. Press the MENU LEFT/RIGHT keys to enter the PICTURE

sub menu.23. Use the MENU UP/DOWN keys to select CONTRAST.24. Use the MENU LEFT/RIGHT keys to reset the value of

CONTRAST to the original value.25. Use the MENU UP/DOWN keys to select BRIGHTNESS.26. Use the MENU LEFT/RIGHT keys to reset the value of

BRIGHTNESS to the original value.27. Press the MENU button twice to return to the top level

SDAM menu.28. Use the POWER button on the remote control transmitter

or the POWER button on the television set to turn off the television set. This will save the changes made in SDAM.

0212C

CL 36532044_036.eps180603

D

B

5441

LOT

FocusScreen

VG2

A 5520

1003

ComPair

1000 (TUNER)

7200

9527

7641

SDAM

3606

0231

5500

2503

Electrical AlignmentsEN 46 L03.1L AA8.

Figure 8-2 V_cutoff

Table 8-1 Vg2 alignment values

8.2.2 Focusing

1. Connect the RF output of a video pattern generator to the antenna input.

2. Input a circle or crosshatch test pattern to the television set.3. Press the SMART PICTURE button on the remote control

transmitter repeatedly to choose NATURAL (or MOVIES) picture mode.

4. Adjust the FOCUS potentiometer (see figure "Top view family board") until the vertical lines near the left and right sides of the screen, and near the horizontal center of the screen, are at minimum width without visible haze.

8.3 Software Alignments and Settings

The following options are performed in the Service Default Alignment Mode (SDAM). SDAM is described in the "Service Modes, Error Codes and Fault Finding" section.The following alignments are explained:1. OPTIONS2. TUNER3. WHITE TONE4. GEOMETRY5. AUDIO

8.3.1 OPTIONS

Options are used to control the presence or absence of certain features and hardware. Note: Each option byte controls several features of the television set; therefore, before changing option byte information, it is important to record the current option byte values. This ensures that the television features can be restored to the original settings, if necessary.

How to Change an Option ByteAn Option Byte represents a number of different options. Changing these bytes directly makes it possible to set all options very fast. All options are controlled via seven option bytes. Select the option byte (OP 1.. OP 7) with the MENU UP/DOWN keys, and enter the new value. 1. Activate SDAM by pressing the following key sequence on

the remote control transmitter: 0 6 2 5 9 6 directly followed by the MENU button (do not allow the display to time out between entries while keying the sequence).

2. Use the MENU UP/DOWN keys to highlight the OPTIONS sub menu.

3. Press the MENU LEFT or MENU RIGHT key to enter the OPTIONS sub menu.

4. In the OPTIONS sub menu, press the MENU UP/DOWN keys to select 'OP 1' through 'OP 7'.

5. Use the number keys on the remote control transmitter to enter a new value for the selected option byte. The value must be entered as a three-digit value (for example, '4' would be entered as '0 0 4').

6. The selected value must be between '0' and '255'.7. When all desired changes to the option bytes are made,

press the MENU button to return to the top level SDAM menu. This will save changes to the option byte settings.

8. To ensure the option byte changes take effect:– Turn the television set 'off' by using the 'POWER'

button on the remote control transmitter or the local keyboard.

– Disconnect the television set from AC power for at least ten seconds.

– Reconnect the television set to AC power. – Turn the television set 'on' by using the 'POWER'


Leaving the OPTION submenu saves the changes in the Option Byte settings. Some changes will only take effect after the set has been switched OFF and ON with the mains switch (cold start).

How to Calculate the Value of an Option ByteCalculate an Option Byte value (OP 1 .. OP 7) in the following way:1. Check the status of the single option bits (OB): are they

enabled (1) or disabled (0).2. When an option bit is enabled (1), it represents a certain

value (see first column "value between brackets" in table below). When an option bit is disabled, its value is 0.

3. The total value of an Option Byte is formed by the sum of its eight option bits. See second table below for the correct Option Bytes per type number.

Figure 8-3 Option Byte calculation

Screen Size / Brand Cut-Off Point (V)

14" / LPD + 135 V

15"RF / Chunghwa + 135 V

20" / LPD + 140 V

21" / LPD + 140 V

0V Ref.CL 06532130_014.eps

131000

VCUTOFF [VDC]max.

Bi t(value)

OP1 OP2 OP3 OP4 OP5 OP6 OP7

0 (1) OB10 OB20 OB30 OB40 OB50 OB60 OB701 (2) OB11 OB21 OB31 OB41 OB51 OB61 OB712 (4) OB12 OB22 OB32 OB42 OB52 OB62 OB723 (8) OB13 OB23 OB33 OB43 OB53 OB63 OB734 (16) OB14 OB24 OB34 OB44 OB54 OB64 OB745 (32) OB15 OB25 OB35 OB45 OB55 OB65 OB756 (64) OB16 OB26 OB36 OB46 OB56 OB66 OB767 (128) OB17 OB27 OB37 OB47 OB57 OB67 OB77Total: Sum Sum Sum Sum Sum Sum Sum

CL 36532044_037.eps160603


Table 8-2 Options settings

Option Bit AssignmentFollowing are the option bit assignments for all L03 software clusters.• Option Byte 1 (OP 1)

– OB10: CHINA or NTSC_ONLY– OB11: VIRGIN_MODE– OB12: UK_PNP– OB13: ACI– OB14: ATS (EU), or FINE_TUNING (NAFTA), or

LANGUAGE_MALAY (AP)– OB15: LNA– OB16: FM_RADIO– OB17: PHILIPS_TUNER

• Option Byte 2 (OP 2)– OB20: HUE– OB21: COLOR_TEMP– OB22: CONTRAST_PLUS– OB23: TILT– OB24: NOISE_REDUCTION– OB25: CHANNEL_NAMING– OB26: SMART_PICTURE– OB27: SMART_SOUND

• Option Byte 3 (OP 3)– OB30: AVL– OB31: WSSB (EU) or HOME_CINEMA (AP)– OB32: WIDE_SCREEN– OB33: Virtual Dolby– OB34: MSP34X5_VOL_CTRL– OB35: COMPRESS_16_9– OB36: EXPAND_4_3– OB37: EW_FUNCTION

• Option Byte 4 (OP 4)– OB40: STEREO_NON_DBX– OB41: STEREO_DBX– OB42: STEREO_PB– OB43: STEREO_NICAM_2CS– OB44: DELTA_VOLUME

– OB45: ULTRA_BASS– OB46: VOLUME_LIMITER– OB47: INCR_SUR

• Option Byte 5 (OP 5)– OB50: PIP or CLOCK– OB51: HOTEL_MODE– OB52: SVHS– OB53: CVI– OB54: AV3– OB55: AV2– OB56: AV1– OB57: NTSC_PLAYBACK

• Option Byte 6 (OP 6)– OB60: BASS_TREBLE, – OB61: SMART_TEXT– OB62: SMART_LOCK– OB63: VCHIP (LATAM & NAFTA) or TXT_1PG (EU)– OB64: WAKEUP_CLOCK– OB65: SMART_CLOCK– OB66: SMART_SURF– OB67: PERSONAL_ZAPPING

• Option Byte 7 (OP 7)– OB70: SOUND_SYSTEM_AP_3 /

MULTI_STANDARD_EUR / SYSTEM_LT_2 – OB71: SOUND_SYSTEM_AP_2 / WEST_EU /

SYSTEM_LT_1– OB72: SOUND_SYSTEM_AP_1– OB73: COLOR_SYSTEM_AP– OB74: SIGNAL_STRENGTH /

DVD_WAKEUP_TIMER (DVD COMBI)– OB75: LNA_PP (AP), VOICE_CONTROL – OB76: ACTIVE_CONTROL– OB77: TIME_WIN1

Models ( L03-LATAM) OB1 OB2 OB3 OB4 OB5 OB6 OB7

14PT3131/44R NTSC MONO 1 71 65 0 194 64 80

14PT3131/55R NTSC MONO 1 71 65 0 194 64 80

14PT3131/78R Trinorma MONO 0 71 65 0 194 64 82

14PT3132/85R NTSC MONO 1 71 65 0 194 64 80

14PT4131/44R NTSC BTSC with SAP 1 199 65 161 192 65 80


14PT4131/77R Trinorma BTSC with SAP 0 199 65 161 192 65 82





20PT3331/44R NTSC MONO 1 71 65 0 194 64 80

20PT3331/55R NTSC MONO 1 71 65 0 194 64 80



20PT3331/85R NTSC MONO 1 71 65 0 194 64 80

20PT4330/85R NTSC Bisonic 1 71 65 0 194 64 80













Option Bit DefinitionOB10: CHINA or NTSC_ONLY0: Tuning is not for China set or NTSC only set, or this option bit is not applicable,1: Tuning is for China set or NTSC only set,Default setting for LATAM: 0 for /77R and /78R sets, 1 for the rest.OB11: VIRGIN_MODE0: Virgin mode is disabled or not applicable,1: Virgin mode is enabled. Plug and Play menu item will be displayed to perform installation at the initial startup of the TV when VIRGIN_MODE is set to 1. After installation is finished, this option bit will be automatically set to 0,Default setting for LATAM: 0.OB12: UK_PNP0: UK's default Plug and Play setting is not available or not applicable,1: UK's default Plug and Play setting is available. When UK_PNP and VIRGIN_MODE are set to 1 at the initial setup, LANGUAGE = ENGLISH, COUNTRY = GREAT BRITAIN and after exiting from menu, VIRGIN_MODE will be set automatically to 0 while UK_PNP remains 1,Default setting for LATAM: 0.OB13: ACI0: ACI feature is disabled or not applicable,1: ACI feature is enabled,Default setting for LATAM: 0.OB14: ATS (EU), or FINE_TUNING (NAFTA), or LANGUAGE_MALAY (AP)0: Feature is disabled or not applicable,1: Feature is enabled,Default setting for LATAM: 0.OB15: LNA0: Auto Picture Booster is not available or not applicable,1: Auto Picture Booster is available,Default setting for LATAM: 0.OB16: FM_RADIO0: FM radio feature is disabled or not applicable,1: FM radio feature is enabled,Default setting for LATAM: 0.OB17: PHILIPS_TUNER0: ALPS / MASCO compatible tuner is in use, 1: Philips compatible tuner is in use,Default setting for LATAM: 0.OB20: HUE0: Hue/Tint Level is disabled or not applicable,1: Hue/Tint Level is enabled,Default setting for LATAM: 1.OB21: COLOR_TEMP0: Color Temperature is disabled or not applicable,1: Color Temperature is enabled,Default setting for LATAM: 1.OB22: CONTRAST_PLUS0: Contrast+ is disabled or not applicable,1: Contrast+ is enabled,Default setting for LATAM: 1.OB23: TILT0: Rotate Picture is disabled or not applicable,1: Rotate Picture is enabled,Default setting for LATAM: 0.OB24: NOISE_REDUCTION0: Noise Reduction (NR) is disabled or not applicable,1: Noise Reduction (NR) is enabled,Default setting for LATAM: 0.OB25: CHANNEL_NAMING0: Name FM Channel is disabled or not applicable,1: Name FM Channel is enabled,Default setting for LATAM: 0.Note: Name FM channel can be enabled only when FM_RADIO= 1.OB26: SMART_PICTURE0: Smart Picture is disabled or not applicable,1: Smart Picture is enabled,Default setting for LATAM: 1OB27: SMART_SOUND

0: Smart Sound is disabled or not applicable,1: Smart Sound is enabled,Default setting for LATAM: 0 for mono sets, 1 for stereo sets.AP30: AVL0: AVL is disabled or not applicable,1: AVL is enabled,Default setting for LATAM: 1.OB31: WSSB or HOME_CINEMA0: WSSB is disabled or not applicable,1: WSSB is enabled,Default setting for LATAM: 0.Note: This option bit can be set to 1 only when WIDE_SCREEN= 1.OB32: WIDE_SCREEN0: Software is used for 4:3 set or not applicable,1: Software is used for 16:9 set,Default setting for LATAM: 0.OB33: Virtual DolbyDefault setting for LATAM: 1. OB34: MSP34X5_VOL_CTRL Default setting for LATAM: 0.Note: For 2 x 10 W sets only. OB35: COMPRESS_16_90: COMPRESS 16:9 selection is not applicable. Item should not be in the FORMAT menu list,1: COMPRESS 16:9 selection is applicable. Item should not be in the FORMAT menu list,Default setting for LATAM: 0.OB36: EXPAND_4_30: Expand 4:3 selection is not applicable. Item should not be in the FORMAT menu list,1: Expand 4:3 selection is applicable. Item should be in the FORMAT menu list,Default setting for LATAM: 1.OB37: EW_FUNCTION0: EW function is disabled. In this case, only Expand 4:3 is allowed, Compress 16:9 is not applicable.1: EW function is enabled. In this case, both Expand 4:3 and Compress 16:9 are applicable.Default setting for LATAM: 0.OB40: STEREO_NON_DBX0: For AP_NTSC, chip TDA 9853 is not present,1: For AP_NTSC, chip TDA 9853 is present,Default setting for LATAM: 0 for mono sets, 1 for stereo sets.OB41: STEREO_DBX0: For AP_NTSC, chip MSP 3445 is not present,1: For AP_NTSC, chip MSP 3445 is present,Default setting for LATAM: 0.OB42: STEREO_PB or KOREAN_2CS0: For AP_PAL, chip MSP3465 is not present,1: For AP_PAL, chip MSP3465 is present,Default setting for LATAM: 0.OB43: STEREO_NICAM_2CS0: For EU and AP_PAL, chip MSP 3415 is not present,1: For EU and AP_PAL, chip MSP 3415 is present,Default setting for LATAM: 0.OB44: DELTA_VOLUME0: Delta Volume Level is disabled or not applicable,1: Delta Volume Level is enabled,Default setting for LATAM: 0.OB45: ULTRA_BASS0: Ultra Bass is disabled or not applicable,1: Ultra Bass is enabled,Default setting for LATAM: 0 for mono sets, 1 for stereo sets.OB46: VOLUME_LIMITER0: Volume Limiter Level is disabled or not applicable,1: Volume Limiter Level is enabled,Default setting for LATAM: 0.OB47: INCR_SUR0: Incredible Surround feature is disabled,1: Incredible Surround feature is enabled,Default setting for LATAM: 0 for mono sets, 1 for stereo sets.OB50: PIP or CLOCK0: Feature is disabled or not applicable,1: Feature is enabled,


Default setting for LATAM: 0.OB51: HOTEL_MODE0: Hotel mode is disabled or not applicable,1: Hotel mode is enabled,Default setting for LATAM: 0 for stereo sets, 1 for mono sets.OB52: SVHS0: SVHS source is not available,1: SVHS source is available,Default setting for LATAM: 0.Note: This option bit is not applicable for EU.OB53: CVI0: CVI source is not available,1: CVI source is available,OB54: AV30: Side/Front AV3 source is not present,1: Side/Front AV3 source is present,Default setting for LATAM: 0.OB55: AV20: AV2 source is not present,1: AV2 source is present,Default setting for LATAM: 0.Note: For EU, when AV2=1, both EXT2 and SVHS2 should be included in the OSD loop.OB56: AV10: AV1 source is not present,1: AV1 source is present,Default setting for LATAM: 1.OB57: NTSC_PLAYBACK0: NTSC playback feature is not available,1: NTSC playback feature is available,Default setting for LATAM: 1.OB60: BASS_TREBLE0: Feature is not available,1: Feature is available,Default setting for LATAM: 0 for mono sets, 1 for stereo sets.OB61: SMART_TEXT0: Smart Text Mode and Favorite Page are disabled or not applicable,1: Smart Text Mode and Favorite Page are enabled,Default setting for LATAM: 0.OB62: SMART_LOCK 0: Child Lock and Lock Channel are disabled or not applicable for EU, 1: Child Lock and Lock Channel are enabled for EU,Default setting for LATAM: 1.OB63: VCHIP (LATAM & NAFTA) / TXT_1PG (EU)0: Feature is disabled,1: Feature is enabled,Default setting for LATAM: 0.OB64: WAKEUP_CLOCK0: Wake up clock feature is disabled or not applicable,1: Wake up clock feature is enabled,Default setting for LATAM: 0.OB65: SMART_CLOCK0: Smart Clock Using Teletext and Smart Clock Using PBS is disabled or not applicable,1: Smart Clock Using Teletext and Smart Clock Using PBS is enabled. For NAFTA, menu item AUTOCHRON is present in the INSTALL submenu,Default setting for LATAM: 0.OB66: SMART_SURF0: Smart Surf feature is disabled or not applicable,1: Smart Surf feature is enabled,Default setting for LATAM: 1.OB67: PERSONAL_ZAPPING0: Personal Zapping feature is disabled or not applicable,1: Personal Zapping feature is enabled,Default setting for LATAM: 0.OB70: MULTI_STANDARD_EUR0: Not for Europe multi standard set, or this option bit is not applicable,1: For Europe multi standard set.Note: This option bit is used to control the SYSTEM selection in Manual Store:

If MULTI_STANDARD_EUR = 1 then SYSTEM = Europe, West Europe, East Europe, UK, Franceotherwise SYSTEM = "Europe, West Europe, UK for West Europe" (WEST_EU=1) or SYSTEM = "Europe, West Europe, East Europe for East Europe" (WEST_EU=0)OB71: WEST_EU0: For East Europe set, or this option bit is not applicable,1: For West Europe set,OB71 and 70: SYSTEM_LT_1, SYSTEM_LT_2These two option bits are allocated for LATAM system selection.00: NTSC-M 01: NTSC-M, PAL-M10: NTSC-M, PAL-M, and PAL-N11: NTSC-M, PAL-M, PAL-N, and PAL-BGOB70, 71 and 72: SOUND_SYSTEM_AP_1, SOUND_SYSTEM_AP_2, SOUND_SYSTEM_AP_3These three option bits are allocated for AP_PAL sound system selection.000: BG001: BG / DK010: I / DK011: BG / I / DK100: BG / I / DK / MOB73: COLOR_SYSTEM_APThis option bit is allocated for AP-PAL color system selection.0: Auto, PAL 4.43, NTSC 4.43, and NTSC 3.581: Auto, PAL 4.43, NTSC 4.43, NTSC 3.58, and SECAMDefault setting for LATAM: 0OB74: SIGNAL_STRENGTH / DVD WAKEUP TIMER (DVD COMBI), 3D_COMBFILTER (NAFTA)Default setting for LATAM: 1.OB75: LNA_PP (for L01 AP cluster), VOICE_CONTROLDefault setting for LATAM: 0.OB76: ACTIVE_CONTROLDefault setting for LATAM: 1.OB77: TIME_WIN1 0: The time window is set to 1.2 s,1: The time window is set to 2 s,Default setting for LATAM: 0.Note: The time-out for all digit entries depends on this setting.

8.3.2 TUNER

Note: Described alignments are only necessary when the NVM (part reference number 7641) is replaced.

IFPLLThis adjustment is auto-aligned. Therefore, no action is required (default= "30").

AGC (AGC take over point)1. Connect the RF output of a video pattern generator to the

antenna input.2. Input a color bar test pattern to the television set. 3. Set the amplitude of the video pattern generator to 10 mV

and set the frequency to 475.25 MHz (PAL/SECAM) or 61.25 MHz (NTSC).

4. Connect a DC multimeter to pin 1 of the tuner (item 1000 on the main chassis).


6. Use the MENU UP/DOWN keys to highlight the TUNER sub menu.

7. Press the MENU LEFT/RIGHT keys to enter the TUNER sub menu.

8. Use the MENU UP/DOWN keys to select AGC.9. Use the MENU LEFT/RIGHT keys to adjust the AGC value

(default value is "32") until the DC-voltage at pin 1 of the tuner lies is 3.3 V.

10. Press the MENU button to return to the top level SDAM menu.


11. To ensure the AGC change takes effect:– Turn the television set 'off' by using the 'POWER'





SL (Slicing Level)This adjustment sets the sync slicing level for non-standard signals. You must turn it 'on' to have no picture instability in premium decoded cable channels.• OFF: slicing level dependent on noise level.• ON: fixed slicing level of 70 %. To adjust SL:1. Activate SDAM by pressing the following key sequence on


2. Use the MENU UP/DOWN keys to highlight the TUNER sub menu.

3. Press the MENU LEFT/RIGHT keys to enter the TUNER sub menu.

4. Use the MENU UP/DOWN keys to select SL.5. Use the MENU LEFT/RIGHT keys to toggle SL 'Off' and

'On'.6. Press the MENU button to return to the top level SDAM

menu.7. To ensure the SL setting is saved:

– Turn the television set 'off' by using the 'POWER' button on the remote control transmitter or the local keyboard.




CL (Cathode Drive Level)Fixed value is "7".

8.3.3 WHITE TONE

The values of the 'black cut-off level' can be adjusted in the 'WHITE TONE' sub menu. Normally, no alignment is needed for 'WHITE TONE', and the given default values are used. Default settings for NORMAL (color temperature= 11500 K):– NORMAL RED = 22– NORMAL GREEN = 21– NORMAL BLUE = 26 To adjust NORMAL RED, NORMAL GREEN, and NORMAL BLUE:1. Connect the RF output of a video pattern generator (e.g.

PM5418) to the antenna input.2. Set the amplitude of the video pattern generator to at least

1 mV and set the frequency to 475.25 MHz (PAL/SECAM) or 61.25 MHz (NTSC).

3. Input a "100 IRE white" pattern to the television set.4. Activate SDAM by pressing the following key sequence on


5. Use the MENU UP/DOWN keys to highlight the WHITE TONE sub menu.

6. Press the MENU LEFT/RIGHT keys to enter the WHITE TONE sub menu.

7. Use the MENU UP/DOWN keys to select NORMAL RED, NORMAL GREEN, or NORMAL BLUE.

8. Set the Minolta CA100 color analyzer (or equivalent) in RGB mode, and set all color temperature settings to their default values.

9. Place the color sensor of the meter in the middle of the screen.

10. Set the meter in "T-dUV-Y" mode, and set CONTRAST to make the light output "Y" on the meter 90 nit ± 15%

11. Use the MENU LEFT/RIGHT keys to adjust the value of NORMAL GREEN and/or NORMAL BLUE.

12. When all desired changes to the WHITE TONE sub menu values are made, press the MENU button to return to the top level SDAM menu.

13. To ensure the WHITE TONE settings are saved:– Turn the television set 'off' by using the 'POWER'





8.3.4 GEOMETRY

IntroductionThe geometry alignment menu contains several items for correct picture geometry alignment.

Figure 8-4 Geometry alignments

CL 16532044_022.eps140501

1

2

3

4

5

6

7

8

9

10

11

12

VERT. SLOPE

VERT. SHIFT

VERT. AMPLITUDE

V.S-CORRECTION

HOR. SHIFT

HOR. AMPLITUDE

E/W PARABOLE

UPPER E/W CORNER

LOWER E/W CORNER

E/W TRAPEZIUM

HOR. PARALLELOGRAM

HOR. BOW


1. Connect the RF output of a video pattern generator to the antenna input.

2. Input a crosshatch test pattern to the television set.3. Set the amplitude of the video pattern generator to at least

1 mV and set the frequency to 475.25 MHz (PAL/SECAM) or 61.25 MHz (NTSC).

4. Press the SMART PICTURE button on the remote control transmitter repeatedly to choose PERSONAL or MOVIES picture mode.


6. Use the MENU UP/DOWN keys to highlight the GEOMETRY sub menu.

7. Press the MENU LEFT/RIGHT keys to enter the GEOMETRY sub menu.

8. Use the MENU UP/DOWN keys to highlight either the HORIZONTAL sub menu or the VERTICAL sub menu.

9. Press the MENU LEFT/RIGHT keys to enter either the HORIZONTAL sub menu or the VERTICAL sub menu.

10. Use the MENU UP/DOWN keys to select items in the HORIZONTAL sub menu or the VERTICAL sub menu.

11. Use the MENU LEFT/RIGHT keys to adjust the values of items in the HORIZONTAL and VERTICAL sub menus.

12. When all desired changes to the HORIZONTAL and VERTICAL sub menu values are made, press the MENU button twice to return to the top level SDAM menu.

13. To ensure the GEOMETRY settings are saved:– Turn the television set 'off' by using the 'POWER'





The following alignments can be performed in the GEOMETRY sub menu:

Horizontal Alignments:• Horizontal Shift (HSH). Select Horizontal Shift to canter

the picture on the screen.• Picture Width (PW). Aligns the width of the picture.

Vertical Alignments:• Vertical slope (VSL). Aligns the picture so the proportions

are the same at the top and bottom of the screen. This alignment must be performed first, before all other vertical alignments. Turning SBL 'on' will assist in performing this alignment.

• Vertical Amplitude (VAM). Aligns the height of the picture (other vertical alignments are NOT compensated).

• Vertical S-Correction (VSC). Aligns the vertical linearity, so that the vertical intervals of the grid-patterns are the same over the entire height of the screen.

• Vertical Shift (VSH). Aligns the vertical center of the picture to the vertical center of the CRT. After performing this alignment, it may be necessary to perform the VAM alignment again.

• Service blanking (SBL). Turns the blanking of the lower half of the screen 'on' or 'off' (to be used in combination with the vertical slope alignment).

• Delta Horizontal Shift 60 Hz (H60). • Delta Vertical Amplitude 60 Hz (V60).

Methods of Adjustment

Vertical Amplitude and Position1. Select SERVICE BLANKING (SBL) and set it to 1. The

lower half of the picture will be blanked.

2. Press the MENU UP/DOWN buttons to select VERTICAL SLOPE (VSL).

3. Align VSL to start the blanking exactly at the horizontal white line at the canter of the test circle (align the bottom of the screen so that castellations just disappear).

4. Press the MENU UP/DOWN buttons to select SBL and set it back to 0. The full picture reappears.

5. Select VERTICAL AMPLITUDE (VAM) and align the picture height to approximately 13.0 - 13.1 blocks (align the top of the screen so that castellations just disappear).

6. Select VERTICAL SHIFT (VSH) and align for vertical centering of the picture on the screen.

Repeat the last two steps if necessary.

Horizontal Phase1. Set PW to "0". 2. Select Horizontal Shift (HSH) to center the picture on the

screen.

Horizontal and Vertical Shift Offset for NTSC (TRINOMA and PAL chassis) 1. Align the set for VSH and HSH (according to above

mentioned procedures) with a PAL system signal.2. Change the signal to NTSC system and adjust

HORIZONTAL SHIFT OFFSET (H60) and VERTICAL SHIFT OFFSET (V60) to center the picture on the screen.

3. Repeat if necessary. The table below lists the default GEOMETRY values for the different television sets.

Table 8-3 Default geometry values

8.3.5 AUDIO

Necessary measuring equipment:• MTS (Multi-channel Television Sound) generator (e.g.

Fluke 54200).• AC millivolt meter.

ILA (Input Level Alignment)1. Activate SDAM by pressing the following key sequence on


2. Use the MENU UP/DOWN keys to highlight the AUDIO sub menu.

3. Press the MENU LEFT/RIGHT keys to enter the AUDIO sub menu.

4. Use the MENU UP/DOWN keys to select ILA.5. Apply a BTSC sound signal with a signal strength of 60

dBuV (1 mV_rms) to the aerial input. Measure the output on pin 21 (L_OUT) of IC7841 with an AC millivoltmeter via a Low Pass Filter (R= 10 kohm, C= 1.5 nF, measure on the capacitor).

6. Use the MENU LEFT/RIGHT keys to adjust the meter reading to 106 mV_rms ± 2 mV_rms (default ILA value is "31").


8. To ensure the ILA setting is saved:

Alignment Description Value

PW Picture Width 31

HSH Horizontal Shift 35

VSL Vertical Slope 33

VAM Vertical Amplitude 26

VSC Vertical S -correction 23

VSH Vertical Shift 31

H60 Horizontal Shift Offset (NTSC) 9

V60 Vertical Shift Offset (NTSC) -1


– Turn the television set 'off' by using the 'POWER' button on the remote control transmitter or the local keyboard.




LSA (Low Separation Alignment)1. Activate SDAM by pressing the following key sequence on




4. Use the MENU UP/DOWN keys to select LSA.5. Apply a 300 Hz BTSC sound signal with a signal strength

of 60 dBuV (1 mV_rms) to the aerial input (only the left channel of the stereo signal). Measure the output on pin 22 (R_OUT) of IC7841 with an AC millivoltmeter.

6. Use the MENU LEFT/RIGHT keys to adjust the meter reading to a minimum value (default LSA value is "7" for stereo sets, and "0" for mono sets).


8. To ensure the LSA setting is saved:– Turn the television set 'off' by using the 'POWER'





HSA (High Separation Alignment)1. Activate SDAM by pressing the following key sequence on




4. Use the MENU UP/DOWN keys to select HSA.5. Apply a 3 kHz BTSC sound signal with a signal strength of

60 dBuV (1 mV_rms) to the aerial input (only the left channel of the stereo signal). Measure the output on pin 22 (R_OUT) of IC7841 with an AC millivoltmeter.

6. Use the MENU LEFT/RIGHT keys to adjust the meter reading to a minimum value (default HSA value is "31").


8. To ensure the HSA setting is saved:– Turn the television set 'off' by using the 'POWER'





Circuit Descriptions, List of Abbreviations, and IC Data Sheets EN 53L03.1L AA 9.

9. Circuit Descriptions, List of Abbreviations, and IC Data Sheets

Index of this chapter:1. Introduction2. Source Selection3. Audio4. Video5. Synchronization6. Deflection7. Power Supply8. Control9. Abbreviations 10. IC Data Sheets Notes: • Only new circuits (compared to the L01.2 chassis) are

described in this chapter. For the other circuit descriptions, see the manual of the L01.2L AA. This manual is available in different languages:– 3122 785 11800 = Spanish.– 3122 785 11820 = Portuguese.

• Figures can deviate slightly from the actual situation, due to different set executions.

• For a good understanding of the following circuit descriptions, please use the block diagram in chapter 6, and/or the electrical diagrams in chapter 7. Where necessary, you will find a separate drawing for clarification.

9.1 Introduction

The "L03"' chassis is a global TV chassis for the model year 2003 and is used for TV sets with screen sizes from 14 inch to 21 inch, in Super Flat and Real Flat executions. In comparison to its predecessor (the "L01"), this chassis is further simplified: it contains economized executions of the power supply, the video processing (microprocessor), and the audio processing. The standard architecture consists of a Main panel (called "family board"), a Picture Tube panel, a Side I/O panel, and a Top Control panel. The Main panel consists primarily of conventional components with some surface mounted devices in the audio and video processing part.

Figure 9-1 Top view family board

The functions for video processing, microprocessor (P), and CC/Teletext (TXT) decoder are combined in one IC (TDA937x), the so-called Ultimate One Chip (UOC). This chip is mounted on the component side of the main panel.

Figure 9-2 Bottom view family board

The L03 can be divided into two basic systems, i.e. mono and stereo sound. While the audio processing for the mono sound is done in the audio block of the UOC, external audio processing ICs are used for stereo sets. The tuning system features 181 channels with on-screen display. The main tuning system uses a tuner, a microcomputer, and a memory IC mounted on the main panel. The microcomputer communicates with the memory IC, the customer keyboard, remote receiver, tuner, signal processor IC and the audio output IC via the I2C bus. The memory IC retains the settings for favorite stations, customer-preferred settings, and service / factory data. The on-screen graphics and closed caption decoding are done within the microprocessor where they are added to the main signal. The chassis uses a Switching Mode Power Supply (SMPS) for the main voltage source. The chassis has a 'hot' ground reference on the primary side and a cold ground reference on the secondary side of the power supply and the rest of the chassis.

9.2 Source Selection

The Source Select is divided mainly into two types, the "Mono Source Select" and the "Stereo Source Select".• The Mono Source Select, both audio and video, will be

done entirely by the UOC and will only be able to select one external audio source.

• As for the Stereo Source Select, the Panasonic IC, which is for BTSC decoding also, has 2 audio source inputs used for source selection, whereas the UOC will take care of the video selection.

9.2.1 Switching Function for Stereo I/O

Video Source SelectionThe video source selection is done by the UOC. The video setting for LATAM / NAFTA is rather straightforward: a so called ‘"WYSIWYG" (what you see on the screen, is what you get from the video ouput).

Audio Source SelectionThe AN5829 (BTSC decoder) device does the external stereo audio source selection. A maximum of three audio input sources can be selected. AV1 or FRONT is selected by the mechanical switch in the front cinch connector.

CL 36532044_035.eps130603

Audio Amplifier

Video Processing

Tuner + IF

Audio Processing

Power Supply

Front Control

CRT Panel

Deflection

Rear I/O

CL 365320044_034.eps160603

Audio Amplifier

Video Processing Tuner + IF

Audio Processing

Power Supply

Front Control

Deflection

Rear I/O

Circuit Descriptions, List of Abbreviations, and IC Data SheetsEN 54 L03.1L AA9.

The selected external audio source is then fed to the AN5829 AUX1 input (pins 2 and 3). The AV2 is fed directly to AN5829 via AUX2 (pins 23 and 24). Then via I2C, the AN5829 IC source selection can be done.

9.2.2 Switching Function for Mono I/O

For the Mono configuration, only one input pin is available for the UOC.

Video Source SelectionThe video switching is similar to the section above.

Audio Source SelectionThe audio input (L1_IN) is connected to pin 35 of the UOC.

9.3 Audio

This chassis is targeted for the LATAM market with Mono, Stereo, or SAP sound system. For the "basic" Mono and Stereo sets, sound processing includes Volume control and AVL. For stereo sets, IC AN5829S is the BTSC audio signal decoder and AN5891K is the audio processing IC.

9.3.1 Processing

This chassis uses the Intercarrier demodulation concept (one SAW filter for both video and audio). The base band (full bandwidth) BTSC audio signal from the UOC is fed to pin 14 of the stereo decoder. The Pilot detection and SAP detection registers indicate the type of transmitted audio signal such as Mono, Stereo, and/or SAP. Based on this indication, the software controls will help to output the appropriate audio signal at pins 21 and 22. The controls are done by the I2C bus connected to pins 18 and 19. Internal or External audio (pins 2, 3, 23, and 24) can also be selected by the source selection register. For the selected audio source, the AGC function can be applied. The output is a fixed level output. The volume control function is available via the power amplifier (AN7522/23). The selected audio output from IC7841 (AN5829) is fed to pins 3 and 22 of IC7821 (AN5891) for audio processing functions, such as Treble, Bass, Volume, Balance, and Surround sound functions. L_out and R_out are then available on pins 12 and 15. IC7821 is also I2C controllable (pins 13 and 14). An AVL function is also available in this IC, and can be used for sets using this IC. In this case, the AVL function of the AN5829 is disabled. Subwoofer output (optional) is available on pin 20.

9.3.2 Amplifier

The output is fed to the audio amplifier (IC7901 for stereo sets or IC7902 for mono sets). This is a BTL amplifier (Bridge Tied Load), which is actually a class AB amplifier with four transistors for each channel. The advantage of BTL over the standard Class AB amplifier is that it requires a lower supply voltage to deliver a higher output.The volume level is controlled at this IC (pin 9) by the "VOLUME" control line coming from the microprocessor. After amplification, the audio signal is send to the speaker / headphone output connector.

9.3.3 AVL (Automatic Volume Limiting)

The "Mono AVL" function operates via the UOC. During channel change and source selection, the AVL bit is to be switched "off" and then can resume to the previous state ("on/off") as shown in the timing diagram below.

The "Stereo AVL" function operates via the AGC control of IC AN5829S. During channel change and source selection, the AGC function is to be switched "off" and then can resume to the previous state ("on/off") as shown in timing diagram below.

Figure 9-3 AVL timing diagram

9.3.4 Mute

The TV set must mute:• Whenever a "User Mute" is activated.• Whenever there is a channel change, RF to RF, RF to AV,

AV to RF, and AV to AV (if any). In channel change, MUTE must be activated first before any other activity and un-MUTE must be done after every other activity has been completed.

• Whenever there is a loss in the signal.• During cold or warm start, MUTE must be activated until all

initialization processes are finished.• When the set is going to STANDBY, MUTE must be

activated first before any other activities. Note: 1. MUTE mentioned above applies for the audio amplifier

mute (= PWM volume control mute).2. The first condition does not apply for the UOC, IC

AN5891K, or IC AN5829S.3. Above conditions refers to both mono and stereo sets.

9.4 Video

For a detailed circuit description of this part, we refer to the L01.2L AA manual (see the beginning of this chapter for the ordering codes). Please note that there can be minor differences in the text (e.g. other item numbers), but the described circuit principle is comparable. This chassis uses the TDA937x family Ultimate One Chip TV processor (UOC), which is mounted in an SDIP 64 envelope. The various versions of the UOC series combine the function of a video processor together with a microcontroller and US Closed Caption/TXT decoder.

9.5 Synchronization

Inside IC7200 (part D) the vertical and horizontal sync pulses are separated. These "H" and "V" signals are synchronized with the incoming CVBS signal. They are then fed to the H- and V-drive circuits and to the OSD/TXT circuit for synchronization of the On Screen Display and Teletext (CC) information.

9.6 Deflection

For a detailed circuit description of this part, we refer to the L01.2L AA manual (see the beginning of this chapter for the ordering codes). Please note that there can be minor differences in the text (e.g. other item numbers), but the described circuit principle is comparable.

Mono: AVL_ On/Off Stereo: AGC_On/Off

channel / sourcechange active

Mute/Volume

user pressCh+ / Ch- or

changesource

Volume Ctrl Voltage 200 msecs

150 msecs

50 msecs

50 msecs

CL 36532044_038.eps170603


The L03 range consists of TV sets spanning from 14 to 21 inch using the same chassis architecture. For the chassis architecture, the CRTs used do not need East/West Correction. Therefore the geometry correction needed is horizontal shift, vertical slope, vertical amplitude, vertical S-correction, vertical shift and vertical zoom for geometry corrections (with the appropriate offsets required for NTSC channels on PAL sets).

9.7 Power Supply

For a detailed circuit description of this part, we refer to the L01.2L AA manual (see the beginning of this chapter for the ordering codes). Please note that there can be minor differences in the text (e.g. other item numbers), but the described circuit principle is comparable.

9.7.1 Introduction

The supply is a Switching Mode Power Supply (SMPS). The frequency of operation varies with the circuit load. This 'Quasi-Resonant Flyback' behavior has some important benefits compared to a 'hard switching' fixed frequency Flyback converter. The efficiency can be improved up to 90%, which results in lower power consumption. Moreover, the supply runs cooler and safety is enhanced.The control IC in this power supply is the TEA1506 (L01= TEA1507). Unlike the TEA1507 control IC, the TEA1506 has no internal high voltage start-up source, and therefore needs to be started by means of an external bleeder resistor (R3506 and R3507). The operating voltage for the driver circuit is also taken from the 'hot' side of this transformer. The switching regulator IC 7520 starts switching the FET 'on' and 'off', to control the current flow through the primary winding of transformer 5520. The energy stored in the primary winding during the 'on' time is delivered to the secondary windings during the 'off' time. The "MainSupply" line is the reference voltage for the power supply. It is sampled by resistors 3543 and 3544 and fed to the input of the regulator 7540 / 6540. This regulator drives the feedback optocoupler 7515 to set the feedback control voltage on pin 6 of 7520. The power supply in the set is "on" any time AC power goes to the set.

9.7.2 Derived Voltages

The voltages supplied by the secondary windings of T5520 are:• "MainSupply" for the horizontal output.• "V_aux/V_audio" for the audio circuit.• An optional "DVD_Supply" for future extensions. Other voltages are provided by the LOT. It supplies -12 V, the tuner voltage, the filament voltage, and the +160 V source for the video drive. These secondary voltages of the LOT are monitored by the "EHT" lines.

9.8 Control

The microprocessor part of the UOC has the complete control and CC/Teletext processing on board. The User menu's and Service Default / Alignment Mode's are generated by the P. Communication to other ICs is done via the I2C-bus.

9.8.1 I2C-Bus

The main control system, which consists of the microprocessor part of the UOC (7200), is linked to the external devices (Tuner, NVM, Audio ICs, etc) by means of the I2C-bus. An internal I2C-bus is used to control other signal processing functions, like video processing, sound IF, vision IF, synchronization, etc.

9.8.2 User Interface

The chassis uses a remote control with RC5 protocol. The incoming signal is connected to pin 67 of the UOC.The keyboard, connected to UOC pin 8, can also control the set. Button recognition is done via a voltage divider.The front LED (6691) is connected to an output control line of the microprocessor (pin 11). It is activated to provide the user information about whether or not the set is working correctly (e.g., responding to the remote control, normal operation (USA only) or fault condition)

9.8.3 I/O Selection

For the control of the input and output selections, there are three lines:

STATUS1This signal provides information to the microprocessor on whether a video signal is available on the SCART1 AV input and output port (only for Europe). This signal is not connected in LATAM/NAFTA sets.

STATUS2This signal provides information to the microprocessor on whether a video signal is available on the SCART2 AV input and output port (only for Europe). For sets with an SVHS input it provides the additional information if a Y/C or CVBS source is present. The presence of an external Y/C source makes this line 'high' while a CVBS source makes the line 'low'.

SEL_AV1_AV2This is the source select control signal from the microprocessor. This control line is under user control or can be activated by the other two control lines.

9.8.4 Power Supply Control

The Power Supply is interfaced with the microcontroller (UOC) to provide the power supply with the control signals required for burst mode operation in standby and to vary the picture width by adjusting V_BAT. The microprocessor part is supplied with 3.3 V and 8 V. The 3.3 V is derived from the "V_aux/V_audio" voltage via a 3V3 stabilizer (7493). The 8 V is derived from the 33V tuner voltage via TS7491 and TS7496.Two signals are used to control the power supply: STD_CON and PW_ADJ.

STD_CON This signal is generated by the microprocessor when over-current takes place at the "Main" line. This is done to enable the power supply into standby burst mode, and to enable this mode during a protection.This is of logic "high" (3.3 V) under normal operation of the TV. When the TV set is in Standby (or fault) condition, this signal is a continuous pulse of 5 ms "low" (0 V) and 5 ms "high". Note: In the L01 chassis this was inverted.

Figure 9-4 Block diagram of power supply interface with UOC

POWER SUPPLYBLOCK WITH

TEA 1506CONTROL IC

UOCAC INPUT

Std_Con

+3V3

PW_ADJ

CL 36532044_039.eps180603


PW_ADJ This signal is generated by the UOC through a PWM port. This PWM port is configured in Push Pull mode to generate a square wave signal of 0 to 100% duty cycle with a default value of 50% duty cycle. PW_ADJ will eliminate tolerance and can adjust the picture wide slightly.

9.8.5 Protection Events

Several protection events are controlled by the UOC. In case one of these protections is activated, the set will go to "Standby" mode.

Deflection protectionsThe main protections for deflection are X-ray protection, frame amplifier failure detection, black current loop stability protection, and +8V auxiliary supply protection. For X-ray protection, the X-ray detection bit, XDT, must always be set to "1" (detection mode). High EHT protection must be triggered via software upon detection of the XPR bit switching to "1". A suitable number of checks are done before putting the set into protection mode in order to prevent false triggering. For service requirements, the Enable Vertical Guard (RGB blanking), EVG, can be disabled (set to "0") although this is not necessary. The following bits are monitored:• SUP (Supply voltage indication)• XPR (X-ray protection)• EVG (Enable Vertical Guard)• NDF (Output Vertical Guard)• BCF (Black Current Failure)

I2C protectionTo check whether all I2C IC's are functioning.

9.9 Abbreviation list

2CS 2 Carrier (or Channel) StereoACI Automatic Channel Installation:

algorithm that installs TV sets directly from cable network by means of a predefined TXT page

ADC Analogue to Digital ConverterAFC Automatic Frequency Control: control

signal used to tune to the correct frequency

AFT Automatic Fine TuningAGC Automatic Gain Control: algorithm that

controls the video input of the feature box

AM Amplitude ModulationAP Asia PacificAR Aspect Ratio: 4 by 3 or 16 by 9ATS Automatic Tuning SystemAV External Audio VideoAVL Automatic Volume LevelerBCL Beam Current LimitationB/G Monochrome TV system. Sound

carrier distance is 5.5 MHzBTSC Broadcast Television Standard

Committee. Multiplex FM stereo sound system, originating from the USA and used e.g. in LATAM and AP-NTSC countries

CC Closed CaptionComPair Computer aided rePairCRT Cathode Ray Tube or picture tubeCSM Customer Service ModeCTI Color Transient Improvement:

manipulates steepness of chroma transients

CVBS Composite Video Blanking and Synchronization

CVI Component Video InputDAC Digital to Analogue ConverterDBX Dynamic Bass Expander or noise

reduction system in BTSCD/K Monochrome TV system. Sound

carrier distance is 6.5 MHzDFU Direction For Use: description for the

end userDNR Dynamic Noise ReductionDSP Digital Signal ProcessingDST Dealer Service Tool: special remote

control designed for dealers to enter e.g. service mode

DVD Digital Versatile DiscEEPROM Electrically Erasable and

Programmable Read Only MemoryEHT Extra High TensionEHT-INFO Extra High Tension informationEPG Electronic Programming GuideEU EuropeEW East West, related to horizontal

deflection of the setEXT External (source), entering the set via

SCART or CinchFBL Fast Blanking: DC signal

accompanying RGB signalsFILAMENT Filament of CRTFM Field Memory or Frequency

ModulationH Horizontal sync signalHP HeadphoneI Monochrome TV system. Sound

carrier distance is 6.0 MHzI2C Integrated IC busIF Intermediate FrequencyIIC Integrated IC bus


ITV Institutional TV LATAM Latin American countries like Brazil,

Argentina, etc.LED Light Emitting DiodeL/L' Monochrome TV system. Sound

carrier distance is 6.5 MHz. L' is Band I, L is all bands except for Band I

LS Large Screen or LoudspeakerM/N Monochrome TV system. Sound

carrier distance is 4.5 MHzNC Not ConnectedNICAM Near Instantaneous Compounded

Audio Multiplexing. This is a digital sound system, mainly used in Europe.

NTSC National Television Standard Committee. Color system mainly used in North America and Japan. Color carrier NTSC M/N = 3.579545 MHz, NTSC 4.43 = 4.433619 MHz (this is a VCR norm, it is not transmitted off-air)

NVM Non Volatile Memory: IC containing TV related data e.g. alignments

OB Option BitOC Open CircuitOP Option ByteOSD On Screen DisplayPAL Phase Alternating Line. Color system

mainly used in West Europe (color carrier = 4.433619 MHz) and South America (color carrier PAL M = 3.575612 MHz and PAL N = 3.582056 MHz)

PCB Printed Circuit boardPLL Phase Locked Loop. Used for e.g.

FST tuning systems. The customer can give directly the desired frequency

POR Power-On ResetPTP Picture Tube Panel (or CRT-panel)RAM Random Access MemoryRC Remote Control handsetRGB Red, Green, and Blue video signalsROM Read Only MemorySDAM Service Default / Alignment ModeSAP Second Audio ProgramSC Sandcastle: pulse derived from sync

signalsS/C Short CircuitSCL Serial ClockSDA Serial DataSECAM SEequence Couleur Avec Memoire.

Color system mainly used in France and East Europe. Color carriers = 4.406250 MHz and 4.250000 MHz

SIF Sound Intermediate FrequencySS Small ScreenSTBY StandbySVHS Super Video Home SystemSW SoftwareTHD Total Harmonic DistortionTXT TeletextP MicroprocessorUOC Ultimate One ChipV Vertical sync signalV_BAT Main supply voltage for the deflection

stage (mostly 141 V)V-chip Violence ChipVCR Video Cassette RecorderWYSIWYR What You See Is What You Record:

record selection that follows main picture and sound

XTAL Quartz crystalYC Luminance (Y) and Chrominance (C)

signal


9.10 IC Data Sheets

This section shows the internal block diagrams and pin layouts of ICs that are drawn as "black boxes" in the electrical diagrams (with the exception of "memory" and "logic" ICs).

9.10.1 Diagram A5, AN5829S (IC7841)

Figure 9-5 Internal Block Diagram and Pin Layout

Unit : mm

24-Lead PANAFLAT Package (SO-24D)

Block Diagram

Vcc GND

NoiseFilter

Matrix

9

InputVCA

SAPFilter

StereoFilter

SAPDemod

SAPDet

NoiseDet

SAP OutFilter

(L-R)/SAPSwitch

L-RDemod

L-RFilter

St. PLL PilotCancel

L+RDemod

Pilot Det

L+RFilter

75µsDe-Emph

OffsetCancel

OUT SW

AGC

Wide BandExpand

SpectralExpand

dbxDe-Emph

fH, 2fHTrap Filter

SpectralRMS Det

SpectralFilter

Wide BandRMS Det

Wide BandFilter

DAC

I2CDecoder

ZAP

10

11

6

8

5

3

2

23

24

19

18

20

1222141516177

14

13 12

OffsetCancel

7.29.3 0.

1

0.9

2.0

0.4

15.2

7

24

13

1

12

0.4

0.45

1.27

Test Circuit

4.7µ+

+4.7µ

AN5829S

180k

I

0.022µ

AG

C

1 2 3 4 65 7 8 9 10 12

1314151617181920212224

AU

XL

1

SPE

CFI

L

0.33µ+

4.7µ+

G

11

23

4.7µ+

J

2.2µ+

4.7µ+

10µ(Ta)

+ SW1

ab

B A

Vcc5V

3.3µ(Ta)

+0.1µ 0.1µ

0.1µ

F

4.7µ+

0.1µ0.047µC

2.2k

D2.2k

Lout

4.7µ+

HRout

4.7µ+

K

4.7µ+

L

AU

XR

1

OFF

CA

N1

OFF

CA

N2

WB

TIM

E

VC

C

WB

DE

T

SPE

CT

IME

SPE

CD

ET

NO

ISE

DE

TSA

PD

ET

MPX IN

PIL

OT

DE

T

PLL

GN

D

SCL

SDA

PE

Lou

t

Rou

t

AU

XL

2

AU

XR

2

* (Ta) tantalum capacitor

CL 36532044_040.eps180603

Spare Parts List EN 59L03.1L AA 10.

10. Spare Parts List Not applicable yet

Revision ListEN 60 L03.1L AA11.

11. Revision List

First release.