Post on 26-Aug-2018
Published by JH 0562 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 15250
Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.
Colour Television Chassis
L01.2EAB
(SMALL SCREEN)
CL 16532008_041.eps160501
Contents Page1. Technical Specifications, Connections, and Chassis Overview 22. Safety Instructions, Warnings, and Notes 43. Directions for Use 54. Mechanical Instructions 65. Service Modes, Error Codes, and Fault Finding 76. Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram 13Testpoint Overview 14I2C and Supply Voltage Diagram 15
7. Circuit Diagrams and PWB Layouts Diagram PWBMono Carrier: Power Supply (A1) 16 28-33Mono Carrier: Line Deflection (A2) 17 28-33Mono Carrier: Frame Deflection (A3) 18 28-33Mono Carrier: Tuner IF (A4) 19 28-33Mono Carrier: Video IF + Sound IF (A5) 20 28-33Mono Carrier: Synchronisation (A6) 21 28-33Mono Carrier: Control (A7) 22 28-33Mono Carrier: Audio Amplifier + Mono Sound Processing (A8) 23 28-33Mono Carrier: NICAM + 2CS + BTSC Decoder (A9) 24 28-33Mono Carrier: Audio/Video Source Switching (A10) 25 28-33Mono Carrier: Front I/O, Control, and Headpone (A12) 26 28-33Mono Carrier: Rear I/O SCART (A13) 27 28-33CRT Panel (B1) 34 35Side AV + HP Panel (E) 36 37Side AV Panel + Headphone (E1) 38 38
8. Alignments 399. Circuit Descriptions, Abbreviation List, and IC Data Sheets 4610. Spare Parts List 5711. Revision List 60
Technical Specifications, Connections, and Chassis OverviewEN 2 L01.2E AB1.
1. Technical Specifications, Connections, and Chassis Overview
Index of this chapter:1.1 Technical Specifications1.2 Connections1.3 Chassis Overview
Note: Described specifications are valid for the whole product range.
1.1 Technical Specifications
1.1.1 Reception
Tuning system : PLLColour systems : PAL B/G, D/K, I
: SECAM B/G, L/LSound systems : FM/AM mono
: FM stereo (2CS): NICAM: FM radio (10.7 MHz)
A/V connections : PAL BG: SECAM L/L
: NTSC 3.58 (playback only)
: NTSC 4.43 (playback only)
Channel selections : 100 channels: UVSH
IF frequency : 38.9 MHzAerial input : 75 , Coax
1.1.2 Miscellaneous
Audio output (RMS) : 1 W mono: 2 W mono: 4 W mono: 2 x 3 W stereo
Mains voltage : 220 - 240 V ( 10 %)Mains frequency : 50 / 60 Hz ( 5 %)Ambient temperature : + 5 to + 45 CMaximum humidity : 90 %Power consumption : 36 W (14) to
: 52 W (21)Standby Power consumption : < 3 W
1.2 Connections
1.2.1 Front (or Side) Connections and Front (or Top) Control
Figure 1-1
Audio / Video In1 - Headphone 3.5 mm (8 - 600 / 4 mW) 2 - Video CVBS (1 Vpp / 75 ) 3 - Audio Mono (0.5 Vrms / 10 k)
IRRED
- VOLUME +
- PROGRAM +
V+V-
P-
P+
LAudio
RVideo
MonoV- C+C-V+
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C+C-V+V-
Technical Specifications, Connections, and Chassis Overview EN 3L01.2E AB 1.
1.2.2 Rear Connections
Figure 1-2 .eps
External 1: RGB/YUV in + CVBS in/out
Figure 1-3
1 - Audio R (0.5 Vrms / 1 k) 2 - Audio R (0.5 Vrms / 10 k) 3 - Audio L (0.5 Vrms / 1 k) 4 - GND 5 - GND
6 - Audio L (0.5 Vrms / 10 k) 7 - Blue / U (0.7 Vpp / 75 ) 8 - CVBS-status 0 - 2.0 V: INT
4.5 - 7 V: EXT 16:99.5 - 12 V: EXT 4:3
9 - GND 10 -11 - Green / Y (0.7 Vpp / 75 ) 12 -13 - GND 14 - GND 15 - Red / V (0.7 Vpp / 75 ) 16 - RGB-status 0 - 0.4 V: INT 1 - 3 V: EXT / 75
17 - GND 18 - GND 19 - CVBS (1 Vpp / 75 ) 20 - CVBS (1 Vpp / 75 ) 21 - GND
TV Aerial InAerial input : 75 , coax (IEC-type)
FM Radio InAerial input : via coax-to-3 pins
adapter: cable or wire
antenna
1.3 Chassis Overview
Figure 1-4
75 Ohm
FM
CL 16532008_042.eps230501
EXTERNAL 1
1 21
202CL96532137_056.eps
171199
SIDE AV PANEL + HEADPHONEE1
SIDE AV PANELE
BCRT PANEL
MAIN
CHASSIS
PANEL
CL 16532008_043.eps240801
A1
A2
A3
A4
A5
A12
A9
A10
A8
A13
POWER SUPPLY
LINE DEFLECTION
FRAME DEFLECTION
A6SYNCHRONISATION
TUNER IF
VIDEO + SOUND IF
HEADPHONE + FR. CONTROL
A7CONTROL (P)
NICAM + 2CS +
BTSC DECODER
A/V SWITCHING
AUDIO AMPLIFIER
REAR I/O CINCH
Safety Instructions, Warnings, and NotesEN 4 L01.2E AB2.
2. Safety Instructions, Warnings, and Notes
Index of this chapter:2.1 Safety Instructions For Repairs2.2 Maintenance Instructions2.3 Warnings2.4 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 re-solder 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 re-soldering 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 M and 12 M.
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
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 tested area of circuitry. The voltages and waveforms shown in the diagrams are indicative. Measure them in the Service Default Mode (see chapter 5) with a colour bar signal and stereo sound (L: 3 kHz, R: 1 kHz unless stated otherwise) and picture carrier at 475.25 MHz for PAL, or 61.25 MHz for 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 stand-by (). These values are indicated by means of the appropriate symbols.
The semiconductors indicated in the circuit diagram and in the parts lists, are interchangeable per position with the
V
E_06532_007.eps250304
Directions for Use EN 5L01.2E AB 3.
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 given in micro-farads (= 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 Spare Parts List. Therefore, always check this list when there is any doubt.
2.4.3 Lead Free Solder
Philips CE is going to produce lead-free sets (PBF) from 1.1.2005 onwards.
Figure 2-2 Lead-free logo
This sign normally has a diameter of 6 mm, but if there is less space on a board also 3 mm is possible.
Regardless of this logo (is not always present), one must treat all sets from this date onwards according to the following rules.
Due to lead-free technology some rules have to be respected by the workshop during a repair: Use only lead-free soldering tin Philips SAC305 with order
code 0622 149 00106. If lead-free solder paste is required, please contact the manufacturer of your soldering equipment. In general, use of solder paste within workshops should be avoided because paste is not easy to store and to handle.
Use only adequate solder tools applicable for lead-free soldering tin. The solder tool must be able To reach at least a solder-tip temperature of 400C. To stabilise the adjusted temperature at the solder-tip. To exchange solder-tips for different applications.
Adjust your solder tool so that a temperature around 360C - 380C is reached and stabilised at the solder joint. Heating time of the solder-joint should not exceed ~ 4 sec. Avoid temperatures above 400C, otherwise wear-out of tips will rise drastically and flux-fluid will be destroyed. To avoid wear-out of tips, switch off unused equipment or reduce heat.
Mix of lead-free soldering tin/parts with leaded soldering tin/parts is possible but PHILIPS recommends strongly to avoid mixed regimes. If not to avoid, clean carefully the solder-joint from old tin and re-solder with new tin.
Use only original spare-parts listed in the Service-Manuals. Not listed standard material (commodities) has to be purchased at external companies.
Special information for lead-free BGA ICs: these ICs will be delivered in so-called "dry-packaging" to protect the IC against moisture. This packaging may only be opened short before it is used (soldered). Otherwise the body of the IC gets "wet" inside and during the heating time the structure of the IC will be destroyed due to high (steam-)pressure inside the body. If the packaging was opened before usage, the IC has to be heated up for some hours (around 90C) for drying (think of ESD-protection!).Do not re-use BGAs at all!
For sets produced before 1.1.2005, containing leaded soldering tin and components, all needed spare parts will be available till the end of the service period. For the repair of such sets nothing changes.
In case of doubt whether the board is lead-free or not (or with mixed technologies), you can use the following method: Always use the highest temperature to solder, when using
SAC305 (see also instructions below). De-solder thoroughly (clean solder joints to avoid mix of
two alloys).Caution: For BGA-ICs, you must use the correct temperature-profile, which is coupled to the 12NC. For an overview of these profiles, visit the website www.atyourservice.ce.philips.com (needs subscription, but is not available for all regions)You will find this and more technical information within the "Magazine", chapter "Workshop information".For additional questions please contact your local repair help desk.
2.4.4 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 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.
3. Directions for Use
You can also download this information from the following websites:http://www.philips.com/supporthttp://www.p4c.philips.com
Pb
http://www.atyourservice.ce.philips.comhttp:/www.atyourservice.ce.philips.comhttp:/www.atyourservice.ce.philips.comhttp://www.philips.com/supporthttp://www.philips.com/support
Mechanical InstructionsEN 6 L01.2E AB4.
4. Mechanical Instructions
Index of this chapter:4.1 Rear Cover Removal4.2 Service Position Main Panel4.3 Side I/O Panel Removal (if present)4.4 Rear Cover Mounting
Note: Figures below can deviate slightly from the actual situation, due to the different set executions.
4.1 Rear Cover Removal
1. Remove all (seven) fixation screws of the rear cover: two at the top, two at each side and one near the mains cord holder.
2. Now pull the rear cover backward to remove it.
4.2 Service Position Main Panel
1. Disconnect the strain relief of the Mains cord.2. Remove the main panel, by pushing the two centre clips
outward [1]. At the same time, pull the panel away from the CRT [2].
3. Disconnect the degaussing coil by removing the cable from (red) connector 0201.
4. Move the panel somewhat to the left and flip it 90 degrees [3], with the components towards the CRT.
Figure 4-1
4.3 Side I/O Panel Removal (if present)
1. Remove the complete Side I/O assembly, after unscrewing the 2 fixation screws [1].
2. Release the two fixation clamps [2] and lift the board out of the bracket.
Figure 4-2
4.4 Rear Cover Mounting
Before you mount the rear cover:1. Place the mains cord correctly in its guiding brackets
(strain relief).2. Place all cables in their original position.
A
B
1
CL 16532016_006.eps220501
2
1
3
CL 06532012_004.eps030200
Service Modes, Error Codes, and Fault Finding EN 7L01.2E AB 5.
5. Service Modes, Error Codes, and Fault Finding
Index of this chapter:5.1 Test Points5.2 Service Modes5.3 Problems and Solving Tips (Related To CSM)5.4 ComPair5.5 Error Buffer5.6 The Blinking LED Procedure5.7 Protections5.8 Repair Tips
5.1 Test Points
The chassis is equipped with test points printed on the circuit board assemblies. These test points refer to the functional blocks:
Figure 5-1
The numbering is in a logical sequence for diagnostics. Always start diagnosing within a functional block in the sequence of the relevant test points for that block. Perform measurements under the following conditions: Service Default Mode. Video: colour bar signal. Audio: 3 kHz left, 1 kHz right.
5.2 Service Modes
Service Default Mode (SDM) and Service Alignment Mode (SAM) offer several features for the service technician, while the Customer Service Menu (CSM) is used for communication between dealer and customer. 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 L01 chassis. Minimum requirements: a 486 processor, Windows 3.1 and a CD-ROM drive. A Pentium Processor and Windows 95/98 are also acceptable (see also paragraph 5.4).
Figure 5-2
5.2.1 Service Default Mode (SDM)
Purpose To create a predefined setting to get the same
measurement results as given in this manual. To override SW protections. To start the blinking LED procedure.
Specifications Tuning frequency:
475.25 MHz for PAL/SECAM (Europe and AP-PAL). 61.25 MHz (channel 3) for NTSC-sets (AP-NTSC).
Colour system: SECAM L for France. NTSC for NAFTA and AP-NTSC. PAL-BG for Europe and AP-PAL.
All picture settings at 50 % (brightness, colour 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-favourite pre-sets/channels, auto store of personal pre-sets, auto user menu time-out.
How to enter SDMUse one of the following methods: Use a standard customer RC-transmitter and key in the
code 062596 directly followed by the MENU button or Short wires 9631 and 9641 on the mono carrier (see Fig. 8-
1) and apply Mains voltage. Then press the power button (remove the short after start-up). Caution: Entering SDM by shorten wires 9631 and 9641 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 entering SDM, the following screen is visible, with SDM at the upper right side for recognition.
TEST POINT OVERVIEW L01Test point Circuit DiagramA1-A2-A3-.. Audio processing A8, A9 / A11C1-C2-C3-.. Control A7F1-F2-F3-.. Frame drive A3I1-I2-I3-.. Tuner & IF A4L1-L2-L3-. Line drive A2P1-P2-P3-.. Power supply A1S1-S2-S3-.. Synchronisation A6V1-V2-V3-.. Video processing A5, B1
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Service Modes, Error Codes, and Fault FindingEN 8 L01.2E AB5.
Figure 5-3
How to navigateUse one of the following methods: When you press the MENU button on the remote control,
the set will switch between the SDM and the normal user menu (with the SDM mode still active in the background). Return to the SDM screen with the OSD/STATUS button.
When you press the OSD/STATUS button on the remote control, the menu will show or hide the error buffer. This feature is available to prevent interference during waveform measurements.
On the TV, press and hold the 'VOLUME down' and press the 'CHANNEL down' for a few seconds, to switch from SDM to SAM and reverse.
How to exitSwitch the set to STANDBY by pressing the power button on the remote control transmitter (if you switch the set 'off' by removing the Mains voltage, the set will return in SDM when Mains voltage is re-applied). The error buffer is cleared.
5.2.2 Service Alignment Mode (SAM)
Purpose To perform alignments. To change option settings. To display/clear the error code buffer.
Specifications Operation hours counter. Software version. Option settings. Error buffer reading and erasing. Software alignments.
How to enterUse one of the following methods: Use a standard customer RC-transmitter and key in the
code 062596 directly followed by the OSD/STATUS button [i+] or
Via ComPair. The following screen is visible, with SAM at the upper right side for recognition.
Figure 5-4
1. LLLL This is the operation hours counter. It counts the normal operation hours, not the standby hours.
2. AAABCD-X.Y This is the software identification of the main micro controller A = the project name (L01). B = the region: E = Europe, A = Asia Pacific, U =
NAFTA, L = LATAM. C = the software diversity: D= DVD, F= full TXT, M=
mono, T= 1 page TXT. D = the language cluster number. X = the main software version number. Y = the sub software version number.
3. SAM Indication of the actual mode.4. Error buffer Five errors possible.5. Option bytes Seven codes possible.6. 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.
7. Options To set the Option Bytes. See chapter 8.3.1 for a detailed description.
8. AKB Disable (0) or enable (1) the black current loop (AKB = Auto Kine Bias).
9. Tuner To align the Tuner. See chapter 8.3.2 for a detailed description.
10. White Tone To align the White Tone. See chapter 8.3.3 for a detailed description.
11. Geometry To align the Geometry. See chapter 8.3.4 for a detailed description.
12. Audio To align the Audio. See chapter 8.3.5 for a detailed description.
How to navigateUse one of the following methods: In SAM, 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: (De)activate the selected menu item. Change the value of the selected menu item.
A A A B C D E E X . Y S D M
E R R X X X X X X X X X X
M E N U
S D M
M a i n ^
P i c t u r e > B r i g h t n e s s
S o u n d C o l o u r
F e a t u r e s C o n t r a s t
I n s t a l l S h a r p n e s s
C o l o u r T e m p
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O S D / S T A T U S
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L L L L A A A B C D X . Y S A ME R R X X X X X X X X X XX X X X X X X X X X X X X X X X X X X X X
C L E A R C L E A R ?O P T I O N S >A K B 0 / 1T U N E R >W H I T E T O N E >G E O M E T R Y >A U D I O >
CL 16532020_061.eps150401
Service Modes, Error Codes, and Fault Finding EN 9L01.2E AB 5.
Activate the selected submenu. When you press the MENU button twice, the set will switch
to the normal user menus (with the SAM mode still active in the background). To return to the SAM menu press the OSD/STATUS button [ i+ ].
When you press the MENU key in a submenu, you will return to the previous menu.
How to exit Switch the set to STANDBY by pressing the power button on the remote control (if you switch the set 'off' by removing the Mains voltage, the set will return in SAM when Mains voltage is re-applied). The error buffer is not cleared.
5.2.3 Customer Service Mode (CSM)
PurposeWhen a customer is having problems with his TV-set, he can call his dealer. The service technician can than ask the customer to activate the CSM, in order to identify the status of the set. Now, the service technician can judge the severness of the complaint. In many cases, he can advise the customer how to solve the problem, or he can decide if it is necessary to visit the customer.The CSM is a read only mode, therefore modifications in this mode are not possible.
How to enter
Figure 5-5
The CSM will be turned on after pressing the MUTE key on the remote control transmitter and any of the control buttons on the TV for at least 4 seconds simultaneously. This activation only works if there is no menu on the screen. After switching ON the Customer Service Mode, the following screen will appear: 1. Software identification of the main micro controller (see
paragraph 5.2.2 for an explanation). 2. Error code buffer (see paragraph 5.5 for more details).
Displays the last seven errors of the error code buffer. 3. In this line, the Option Bytes (OP) are visible. Each Option
Byte is displayed as a decimal number between 0 and 255. The set may not work correctly when an incorrect option code is set. See chapter 8.3.1 for more information on the option settings.
4. Indicates which colour and sound system is installed for the selected pre-set.
5. Indicates if the set is not receiving an IDENT signal on the selected source. It will display Not Tuned.
6. Indicates if the sleep timer is enabled.7. Not applicable for Europe.8. Value indicates parameter levels at CSM entry. CO=
CONTRAST, CL= COLOR, BR= BRIGHTNESS, HU= HUE, SH= SHARPNESS
9. Value indicates parameter levels at CSM entry. VL= VOLUME LEVEL, BL= BALANCE LEVEL, AVL= AUTO VOLUME LEVEL LIMITER, DV= DELTA VOLUME
10. Value indicates parameter levels at CSM entry (only for stereo sets). TR= TREBLE, BS= BASS
How to exitUse one of the following methods: After you press any key of the remote control transmitter
with exception of the CHANNEL and VOLUME keys. After you switch-off the TV set with the Mains voltage
switch.
5.3 Problems and Solving Tips (Related To CSM)
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 colours/noise in pictureCheck CSM line 4. Wrong colour system installed. To change the setting:1. Press the MENU button on the remote control.2. Select the INSTALL sub menu.3. Select the MANUAL STORE sub menu.4. Select and change the SYSTEM setting until picture and
sound are correct.5. Select the STORE menu item.
Colours not correct/unstable pictureCheck CSM line 4. Wrong colour system installed. To change the setting:1. Press the MENU button on the remote control.2. Select the INSTALL sub menu.3. Select the MANUAL STORE sub menu.4. Select and change the SYSTEM setting until picture and
sound are correct.5. Select the STORE menu item.
TV switches off (or on) or changes the channel without any user action(Sleep)timer switched the set off or changed channel. To change the setting:1. Press the MENU button on the remote control.2. Select the FEATURES sub menu.3. Select the TIMER sub menu.4. Select and change the SLEEP or TIME setting.
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 picture improves after you have switched on the
Customer Service ModeThe 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
Picture button on the remote control. The picture improves after you have switched on the
Customer Service ModeThe new Personal preference value is automatically stored.
Snowy pictureCheck CSM line 5. If this line indicates Not Tuned, check the following: No or bad antenna signal. Connect a proper antenna
signal. Antenna not connected. Connect the antenna.
1 A A A B C D X . Y C S M2 C O D E S X X X X X X X X X X3 O P X X X X X X X X X X X X X X X X X X X X X4 D E T E C T E D S Y S T E M D E T E C T E D S O U N D5 N O T T U N E D S K I P P E D6 T I M E R78 C O X X C L X X B R X X H U X X S H X X 9 V L X X B L X X A V L D V X X10 T R X X B S X X
CL 16532008_046.eps220501
Service Modes, Error Codes, and Fault FindingEN 10 L01.2E AB5.
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
Picture button on the remote control. The picture improves after you have switched on the
Customer Service ModeThe new Personal preference value is automatically stored.
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 picture improves after you have switched on the
Customer Service ModeThe 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 when the volume is OK after you switched on the CSM. The new Personal preference value is automatically stored.
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 (service remote control), 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 L01 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:
Automatic (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 gives a picture? Click on the correct answer: YES/NO) and showing you examples (e.g. Measure test-point I7 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. Emulation of the (European) Dealer Service Tool (DST). 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 Monocarrier.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
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 Mains voltage 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 Mains voltage).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 Mains voltage adapter in the Mains voltage 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 5-6
86532027_003.EPS050898
PC VCR I2CPower9V DC
Service Modes, Error Codes, and Fault Finding EN 11L01.2E AB 5.
5.4.4 How To Order
ComPair order codes: Starter kit ComPair + SearchMan software + ComPair
interface (excluding transformer): 4822 727 21629 ComPair interface (excluding transformer): 4822 727
21631 Starter kit ComPair software (registration version): 4822
727 21634 Starter kit SearchMan software: 4822 727 21635 ComPair CD (update): 4822 727 21637 SearchMan CD (update): 4822 727 21638 ComPair interface cable: 3122 785 90004
5.5 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.
5.5.1 How to Read the Error Buffer
Use one of the following methods: On screen via the SAM (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.
5.5.2 How to Clear the Error Buffer
The error code buffer is cleared in the following cases: By activation of the CLEAR command in the SAM menu: When you exit SDM/SAM with the STANDBY command on
the remote control (when leaving SDM/SAM, by disconnecting the set from Mains voltage, the error buffer is not reset).
When you transmit the command DIAGNOSE-99-OK with ComPair.
If the content of the error buffer has not changed for 50 hours, it resets automatically.
5.5.3 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. 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).
Figure 5-7
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CL 16532008_047.pdf
210501
Service Modes, Error Codes, and Fault FindingEN 12 L01.2E AB5.
5.6 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 SDM is entered, the LED will blink the contents of the error-buffer. Error-codes 10 are shown as follows: a long blink of 750 ms (which is an indication of the decimal
digit), a pause of 1.5 s, n short blinks (n = 1 - 9), 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 entering SDM: 1 long blink of 750 ms followed by a pause of 1.5 s, 2 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.
5.7 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 (SAM), the blinking LED procedure or via ComPair. The DST diagnose functionality will force the set into the Service-standby, which is similar to the usual standby mode, however the microprocessor has to remain in normal operation completely. To get a quick diagnosis the chassis has three service modes implemented: The Customer Service Mode (CSM). The Service Default Mode (SDM). Start-up of the set in a
predefined way. The Service Alignment Mode (SAM). Adjustment of the set
via a menu and with the help of test patterns. See for a detailed description Chapter 9 paragraphs Deflection and Power Supply.
5.8 Repair Tips
Below some failure symptoms are given, followed by a repair tip. Set is dead and makes hiccuping sound
MainSupply is available. Hiccuping stops when de-soldering L5561, meaning that problem is in the MainSupply load. No output voltages at LOT, no horizontal deflection. Reason: line transistor 7402 is defective.
Set is dead, and makes no soundCheck power supply IC7520. Result: voltage at pins 1, 3, 4, 5 and 6 are about 180 V and pin 8 is 0 V. The reason why the voltage on these pins is so high is because the output driver (pin 6) has an open load. That is why MOSFET TS7521 is not able to switch. Reason: feedback resistor 3523 is defective. Caution: be careful measuring on the gate of TS7521; circuitry is very high ohmic and can easily be damaged! (first connect ground to measuring equipment, than the gate).
Set is in hiccup mode and shuts down after 8 s. Blinking LED (set in SDM mode) indicates error 5. As it is unlikely that P POR and +8V protection happen at the
same time, measure the +8V. If this voltage is missing, check transistor TS7408.
Set is non-stop in hiccup modeSet 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 soundThe screen shows snow, but OSD and other menus are okay. Blinking LED procedure indicates error 10, so problem is expected in the tuner (pos. 1000). Check presence of supply voltages. As Vlotaux+5V at pin 6 and 7 are okay, VT_supply at pin 9 is missing. Conclusion: resistor 3428 is defective.
Set turns on, but with a half screen at the bottom. Sound is okayBlinking LED (set in SDM mode) indicates error 2. Check Vlotaux+13V, +5V and +50V. If they are okay, problem is expected in the vertical amplifier IC7471. Measure with a scope the waveform on pin 17 of the UOC. Measure also at pin 1 of IC7471. If here the signal is missing, a defective resistor R3244 causes the problem.
Block Diagrams, Testpoint Overviews, and Waveforms 13L01.2E AB 6.
6. Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram
POWER SUPPLY 0212
43
2
1
2
3
13
12
10
9
35
7N.C.
6
1
CL 16532008_034.eps300501
P1
I1
I2
P2
P3
P5
V10I3
I4
P4
V9
C4
C5
C2
A1
C1
0265
SDA
SCL
0211
150 - 250VSINGLE RANGE
90 - 276VFULL RANGE
5201
5001
FM-RADIOTUNER
+TV TUNER
3543
5562
3001
3000
3564
2564
3213
3251
3259EHT INFOSANDCASTLE
N.C.
H FLYBK
2254
3242
3247
5604 3611
360336043625
3624
56035602
2203
3544
3558
7560
2567
7561, 75627564
6001BZX79-C33
6520
2521
A1 SYNCHRONISATIONA6 LINE DEFLECTIONA2
FRAME DEFLECTIONA3
TUNER IFA4
SIDE AV
OR E1 ORE C FRONT I/OA12
REAR I/O SCARTA14 AUDIO/VIDEOSOURCE SWITCHING
A10
A7
A7
VIDEO IF, SOUND IFA5
A5
A8 A9
A6A7
A2
A2
DegaussingCoil
1515
5520
7580
7520TEA1507
DRAIN
DRIVE R
SENSE
DEMAG
VCC
CONTROLIC
CTRL
ENERGIZINGCIRCUIT
AC
6503
6502
65016500
7801HEF4052BT
5500 :55020231
MAINSSWITCH
1000 6, 7 9
1
2
11
FM
VIF_1
VIF_2
SIF1
L1-IN
LF FRONT-IN
SIF2
RF_AGC
1
1
2
3
4
1500
1
11
2
2+t
+t
+t
3
T4E
2503
6564
6562
AUDIO SUPPLY GND
M_AUX
MAIN AUX
POWER DOWN
VLOTAUX
RPR3 +13V
VLOTAUX +5V
VT_SUPPLY
V A
B
C
P65560 5563 55616560
6561
95VMAIN SUPPLY2561
POWERDOWN
CIRCUIT
12V
+3.3V
+3.9V
3570
+8V
+8V
VDEFL
A7STDBY_CON
HOT GROUND COLD GROUND
7540, 6540
REFERENCECIRCUIT
7541, 7542
STANDBYCIRCUIT
7515TCET1103
3527
3525
3523
3526
7521STP7NB60FP8
6
5
3522
3531
3519
4
1
D
SG
VT
AGC5
SEL-IF-LL-M-TRAPA7A14A12
A2
A5 A6
A2
A2
4
IF
FM
02533
1018
38
49
7206
3230
3208
7201
MONO/AM_MONO_SOUND
33
48
19
22
23
28 29
24
70017002
FILTERSELECTION
FMR QSS_AM_DEM_OUT
AUDIO CARRIERFILTERS
7200-ATDA95XX1002
1003
1004
VIDEOIF
AGC
VIDEOPLL
DEMOD.
VIDEOAMPLIFIER
SOUNDFM-DEMOD.DE-EMPH.
AUDIOSWITCH
SOUNDAMPL.+ AVL
QSSSOUNDIF + AGC
QSS MIXERAM DEMOD.
S2
L1
V5
L6
L7
L8
L5
L4
S1
11
30 H DRIVE
V DRIVE+
V DRIVE-
N.C.
HV
9
17
31
34
7200-DTDA95XX
H-DRIVE2nd LOOPH-SHIFT
TXT/OSDDISPLAY
16
H/V SYNCSEPARATOR
H-OSC+PLL
40
471200
5.5MHz
12016MHz
A14
A14
A14
C-IN 45
A10 SY-CVBS-IN44
A14
A10
A10
A10
CVBS1-IN 42
EW+
GEOMETRY
VIDEO IDENT
7200-CTDA95XX
I/OSWITCHING
Y-DELAY
EHT INFOPROC.
EHT INFO
R-Y
B-Y
U
V
R
G
B
R
G
B
56
57
58
55
Y
VIDEOFILTERS
RGBMATRIX
RGBINSERT
BLACKSTRETCH
WHITESTRETCH
RGBCONTROL
OSD TEXTINSERT
BLUESTRETCH
WHITE-P.ADJ
VIDEOIDENT
L
02513
V
L
R1
02196
3
1
MONO
V
L
R
CVBS-FRONT-IN
L-FRONT-IN
R-FRONT-IN
A
B
C
STEREO
A7SEL_MAIN_FRNT_RR
SEL_MAIN_FRNT_RR
9
A9
A7
A9
A14
SC2-CTRL 10
A12 L-FRONT-IN
SC1-LIN
SC1-R IN
L1-OUT
1
A14 L1-IN7803
7804
5
A14 L2-IN 2
A9 SC1-LOUT 4
A12 R-FRONT-IN 12
A14 R1-IN 14
3
13
A14 R2-IN 15
A9 SC1-R-OUT 11
SWITCHLOGIC
7802HEF4053BT
9
A5
CVBS-FRONT-IN5
A14 Y-CVBS-IN
SY-CVBS-IN
34
SWITCHLOGIC
A9
A14
A14
A1
A4
A4
A7A9
A12
A14
R-OUT2
A9 SC1-R-OUT
R2-OUT
115A10
A14
L-OUT12
A9 SC1-1-OUT
L2-OUT
1314A10
AUDIO AMPLIFIERA8
HEADPHONEA12
FRONT CONTROLA12 CONTROLA77941:7943
A7BASS-PANORAMA MAIN-OUT-L
A5MONO/AM-MONO-SOUND
MONO SETS ONLY
A7TREBLE-BUZZER-HOSP-APP
+3.3V
36063607
+3.9V
+3.3V
A10
A9
A8
A7
A11
A6
3833
3834 2847
A10
A10
NICAM + 2CS (STEREO) DECODERA97831MSP34X5G
QSS-AM-DEM-OUT
FMR47
A5
MONO/AM-MONO-SOUND
78347835
6692TSOP1836
MAIN-OUT-L
44
A10 SC1-L IN 41
A10 SC1-R IN 42
A7 SDA 8
A7 SCL 7
25
4 SC2-CTRL
A1030 SC1-R OUT
SC1-L OUT 2XA5
A7
A1
MONO/AM-MONO-SOUND31
MAIN-OUT-R24
51
52
DEMODULATORNICAM, 2CS,
AM, FM
3832
ERR10
ERR7
183118M432
63
166012MHz
H
V
64
7901 AN7522N (STEREO)7902 AN7523N (MONO)
6 2 L+
L8
9VOLUME MUTE
1MAINAUX
7209, 7210
FM RADIOPRE-AMPLIFIER
0246
WITHOUTSIDE AV
+HP
A2
4 L-
A3
10 R-
A4
12 R+R
L
R
4
3
2
1
02554
3
2
1
L+
L-
R-
R+
L+
L-
R-
R+
HEADPHONEE1
L+
L-
R-
R+L+
L-
R-
R+
SERVICECOMPAIR
CONNECTION
1
2
3
02541
2
3
4
5
02461
2
3
4
5
OR
IR IR
STATUS1
STATUS2
LED+3.3V
6691
LOCALKEYBOARD
KEYBOARD-PROTN
KEYBOARD-_PROTN
7200-BTDA95XX
I/O
VSTPWM-DAC
ROMRAM
CPU
OSDTELETEXTDISPLAY
IICBUS
TRANSCEIVER
I/OPORTS
67
68 7
72
71
3
8
6
5
66 61 59
1
2
POWER DOWN69
LED 5
80
7602M24C08
EEPROM(NVM)
SDA
SCL
SEL-IF-LL-M-TRAP
A1070 SEL-MAIN-FRONT-RR
A16 STANDBY-CON
A878 BASS PANORAMA
A877 TREBLE-BUZZER-HOSP-APP
A873 VOLUME/MUTE
SDA
SCL
5241+8V
VLOTAUX +13V
VLOTAUX +13V
VDEF
M_AUX
R-V-IN
0243 0245
9641
9631
SDM
SDA0217
SCL
1/10PAGES
MEMORY
TELETEXT
CVBS SYNC
RGB
BLCOR
PAL/NTSCSECAM
DECODER
BASEBANDDELAY
EHT INFO
POWER-DOWN
A2
A1
A6
A1
EHT oA2
V-DRIVE+
GEOMETRY
3244S3 L2
3249S4
153250
S5
MAIN SUPPLY95V
6406BAV70
7401
HFLYBK
7402BUT11APX
3404
3431
342574037404
DRIVERSTAGE
5444
LINEOUTPUTCIRCUIT
L3
3220
3201
3202
3203
3204
3235
02211
2
HOR.DEFL.COIL
02221
2
VERT.DEFL.COIL
5445
6409 3416 VIDEOSUPPLY
2
7
1
FOCUS VG2
EHT
0220
0244
3 2 1
8
5
EHT INFO
A3
A4
VGUARDA5BLK-IN
A6
A2
EHT o
4N.C.
3
10
9
6
6410
6405
6423
VLOTAUX +5V
VLOTAUX +13V
+8V
FILAMENT
-13V
VT_SUPPLY
3411
3428 3427
2417
3421
34137406, 7409
74053412
6402
6413
2419
PROTCIRCUIT
PROTCIRCUIT
3423
74083422
7407
2410
A2BLK-IN
BLK
V-OUT 2X
A143214
V1-OUT
A14A14A14
G-Y-INB-U-INFBL-1
51 52 53 50 54
7204
V6
V7
V9
1
2
3
4
5
6
1
2
3
4
5
6
OSD
OROR
INPUTSWITCHING
ERR4
ERR7
TV
FM
ERR9
ERR5
ERR11
ERR6
Error Description0 No error1 X-Ray / over voltage protection (USA only)2 High beam (BCI) protection3 Vertical guard protection4 I2C error while communicating with the sound processor5 Power ON reset (POR bit) 3.3V protection / +8V protection 6 General I2C error7 Power Down (over current) protection8 EW protection (Large Screen only)9 I2C error EEPROM error10 I2C error PLL tuner11 Black current loop instability protection
ERROR CODE LIST
+
-
3474
3475
3479
F1
F2
F5
7471TDA9302H
-13V
VLOT AUX +13V
3471
3471
6471 2473
7
2
4
6 3
1 OP. AMP5
VDRIVE+
VDRIVE-
F3
F4
V_GUARD
FLYBACKGENERATOR
THERMALPROTECTION
CRTB
R
G
B
3347
5341
3337
3327
3317
CRT
3350
3348
3349
25kV
3316 3326
3317
3336
V F
OC
US
EH
T
V G
2
V14
V15
+160V
+160V
V16
V12
V11
V13
7311:7313
-
7321:7323
-
7331:7333
-
BLKCURINFO FILAMENT
2422
A14A10
L-OUT
R1-OUT
A14A10
R-OUT
A13
3504
3503
7241
R
7
5
3
G
B
ERR2
ERR2
ERR3
A10A10A10
A5
A5
A10 A5A7
A5
SCART 17101
CVBS1-IN
V1-OUT
V-OUT
R-Y-IN
A5
L1 - OUT
A5 B-U-IN
A5 G-Y-IN
R1 - OUT
STATUS 1
A5FBL-1
L1-IN
R1-IN1
2
2021
14L01.2E AB 6.Block Diagrams, Testpoint Overviews, and Waveforms
Testpoint Overview
HOT GROUND
S
G
D
7521
1
7
E
B
7402
7471
C
A1 B3A2 B3A3 A3A4 A3A5 C1A6 B1A7 B1A8 C2A9 B2A10 B3A11 C2A12 B2A13 C3C1 B4C2 B4C3 B5C4 B5C5 B5C6 E1F1 D6F2 D6F3 C6F4 C6I1 A6I2 A6I3 A6I4 A6L1 C4L2 E5L3 E5L4 D5L6 C5L8 C6L9 D5P1 E3P2 E3P3 D3P4 C4P5 C4P6 D5S1 A4S2 A4S3 A5S4 A5S5 A4V1 B6V2 B6V3 B5V4 B4V5 B4V6 B4V7 B4V8 B4V9 A4V10 A4
2
3
56
7
89
5
6
7
8910
11
12
4
CL 16532008_033.eps240801
HOT GROUND
7200
FRAME
SUPPLYLINE
TV-PROC.
1 4
8 5
7520
SUPPLYCONTROL
7831
1
NICAM + 2CS + BTSC
AUDIO OUTPUT7901 OR 7902
Main Panel Copper Track Side
CRT Panel Copper Track SideA1
2V / div DC5us / div
A2
2V / div DC500us / div
A3 - A4
2V / div DC500us / div
A11
1V / div DC500us / div
C1
1V / div DC500us / div
C2
1V / div DC500us / div
F1
500mV / div DC5ms / div
F2
500mV / div DC5ms / div
F3
10V / div DC5ms / div
F4
1V / div DC5ms / div
F5
10V / div DC5ms / div
I1
2V / div DC200us / div
I2
2V / div DC200us / div
I3
20mV / div DC1ms / div
I4
500mV / div DC250ns / div
L1
500mV / div DC20us / div
L2
2V / div DC20us / div
L4 = +13VL5 = +5VL6 = +8VL7 = -13VL8 = +34VL10 = +176V
L9
2V / div DC20us / div
P1
50V / div DC20us / div
P3
5V / div DC50ms / div
S1
2V / div DC20us / div
S2
500mV / div DC20us / div
S3
500mV / div DC5ms / div
S4
500mV / div DC5ms / div
V4
100mV / div DC20us / div
V5
1V / div DC20us / div
V6
1V / div DC20us / div
V7
1V / div DC20us / div
V8
2V / div DC5ms / div
V9
500mV / div DC10us / div
V10
1V / div DC500us / div
V11
1V / div DC20us / div
V12
1V / div DC20us / div
V13
1V / div DC20us / div
V14
50V / div DC20us / div
V15
50V / div DC20us / div
V16
50V / div DC20us / div
P2 = +308V (317V)P4 = +3V3P5 = +12V4 (+3V9)P6 = +95V
C4
2V / div DC200us / div
C5
2V / div DC200us / div
A6
2V / div DC200us / div
A7
2V / div DC200us / div
Block Diagrams, Testpoint Overviews, and Waveforms 15L01.2E AB 6.
I2C and Supply Voltage DiagramPOWER SUPPLY
A
CL 16532008_032.eps300501
C4
C5
I1 I2
P5
P6
P45602
5603
5604
4693
7901
1000
7902
7200-B
5560 5563
3564
3537
2564
5561
5562
3549
3557
3558
7560
2567
7561, 75627564
A1
CONTROLA7 TUNER IFA4
CONTROLA7
1
66
61
59
8
1
6562
6564
6560
6561
AUDIO SUPPLY GND
M_AUX
POWER DOWN
95V
MAIN SUPPLY
MAIN AUX
2561
POWERDOWN
CIRCUIT
12V
AUDIO SUPPLYGND
+3.3V
+3.3V
+3.3V (TO 3256)
+3.9V+3.9V
+3.3V
(TO 36063606,3633)
AUDIO AMPL.
SYNCHRONISATIONA6
+3.3V+3V3A
FRONT CONTROLA12
AUDIOOUTPUTSTEREO
AUDIOOUTPUTMONO
TUNER
uC
7602
EEPROM(NVM)
OR
OR
LINEOUTPUT
3611
LOT C-7332
VIDEOOUTPUTS
TO CRTFILAMENT
LINE DEFLECTIONA2 CRTB
TUNER IFA4
POWER SUPPLYA1
FRAME DEFLECTIONA3
5451
2450
MAIN SUPPLY
VIDEOSUPPLY 160V
-13V
5445
2
EHT
3487
6001BZX79-/C33
FOCUSVG2
EHTFOCUSVG2
7 3
9
67
9 FILAMENT
to 241934123413
TOC-6408B-7409
3416 0220
34116413
3336
3349
6409
6
5
8
VT_SUPPLY 33VVT_SUPPLY
3
2
1
0244
2
1
ANODE CRTFOCUS CRTVG2 CRT
3350
+8V (TO 3008)
5202
VIDEO IFA5
-13V
VLOT AUX +13V
VLOT AUX +5V
VLOT AUX +5V
VLOT AUX +5V
VLOT AUX +5V
VLOT AUX +13V
VLOT AUX
TO DEGAUSSING CIRCUITVLOT AUX +13V
CONTROLA7+8V (TO 4-0217) NOT USED
(TO 2234)VLOT AUX +5V
+5V (TO 3619)VLOT AUX
+8V
AUDIO AMPLIFIERA8+8V (TO 3948, 3950)
+5V (TO 9921)VLOT AUX
+8VA
MAIN AUX
3427
7471
FRAMEOUTPUT
4
3
5001
SYNCHRONISATIONA6
7200-D
SYNCPROC.
5241
+8V
+8V
+8V
+8V
+8VA (TO 3248)
7200-A
VIDEOIF
9
5832
NICAM 2CS -DECODERA9
VLOT AUX +5V
REAR I/O SCARTA14
+8V
AUDIO VIDEOSOURCE SWITCHINGA10
7831
AUDIODECODER5833
+5VA
+8V+6V8
46
33
3421
3424
3423
6405
6410
7407
7408
6402
6420
3422
34286423
6419
3801
3625
7602M24C08EEPROM
(NVM)
3624
3607 3606
3604
3603
65
72
71
68 7
ERR9
ERR5
7200-BSET
PROCESSOR
PART OFVIDEO-
PROCESSOR
ERR6
1
2
3
0217
SDA
SCL
SDA
SCL
SCL
SDA
+3.9V +3.9V
1000TUNER
3001
3000
45
ERR10
SCL
SDA
A7 A8
DECODERNICAM + 2CS
A9
7831MSP34X5GNICAM+2CSDECODER
3833
3832
78
ERR4
FORCOMPAIR
3404
VLOT AUX +13V
M_AUX
H-DRIVE
V DEFV DEFL.
I2C BUS INTERCONNECTION DIAGRAM
39
TO E-74063415
C-73223326
C-73123316A8
64676406
Error Description0 No error1 X-Ray / over voltage protection2 High beam (BCI) protection3 Vertical guard protection4 I2C error while communicating with the sound processor5 Power ON reset (POR bit) 3.3V protection / +8V protection 6 General I2C error7 Power Good (over current) protection8 EW protection (Large Screen only)9 I2C error EEPROM error10 I2C error PLL tuner11 Black current loop instability protection
ERROR CODE LIST
5341
1
2
3 10
9
13
12
35
7
6
P1
P2
P3
0211
150 - 250VSINGLE RANGE
90 - 276VFULL RANGE
3543
A
3544
6520
2521 N.C.
5520
7520TEA1507
DRAIN
DRIVE R
SENSE
DEMAG
VCC
CONTROLIC
CTRL
AC
6503
6502
65016500
5500 :55020231
MAINSSWITCH
1
2
3
4
1500
T4E
2503
A7STDBY_CON
HOT GROUND COLD GROUND
7540, 6540
REFERENCECIRCUIT
7541, 7542
STANDBYCIRCUIT
7515TCET1103
3527
3525
3523
3526
7521STP7NB60FP8
6
5
3522
3531
3519
4
1
D
SG
16L01.2E AB 7.Circuit Diagrams and PWB Layouts
7. Circuit Diagrams and PWB Layouts
Mono Carrier: Power Supply
P3
P5
P4
P1
P2
P6
V
+t
Rs
Rp +
t
t
PROTECTION
CONTROL
INPUTCONTROLCIRCUIT
BURSTDETECTOR
Drain
HVS
Sense
Demag
Driver
Vcc
Gnd
Ctrl
START-UP
CURRENT SOURCE
VALLEY
START-UP
CURRENT SOURCE
CURRENTSENSING
OUTPUTDRIVER
OVERPOWER
LOGIC
CONTROL
CIRCUIT
MAXIMUMON-TIME
PROTECTION
VOLTAGECONTRLLEDOSCILLATOR
OVERTEMPERATUREPROTECTIOM
POWER-ONRESET
SUPPLYMANAGEMENT
FREQUENCY
DEGAUSSING COIL
T4E.250V
MAINS150 - 276 V SINGLE RANGE
90 - 276 V FULL RANGE
2M2
4M7
FOR ITV ONLY
POWER SUPPLY
RES
BZ
X79
For ITVONLY
L78L33ACZ
A7-5
A2-64
A7-11
TO 0283
TO
B6V
2
(13V8)16V8
1V3
(317V)309V
2V
(317V)308V
0V2V5
(317V)
4V8
-2V9
11V6
-V28
3V3
(95V)92V4
(3V3)
(3V9)
12V 3V3
12V4
(95V)
6V
8V3
6V3
0V
9V
1V3
16V410V
8V9
(3V9)
MAINS SWITCH
TEA1507
G
D
S
* *
TO OF
TO
OF0251
OF
..V.. Normal Operation(..V..) Standy Mode
HOT GROUND
COLD GROUND
388V
BC858B7564
7 8 9 10 11
A
B
C
D
E
F
G
A
B
C
E
F
G
0211 B10212 B10213 C40231 B10251 E11
0282 F11
1K3559
1 2 3
3558
330R
4 5 6 7 8 9 10 11
1 2 3 4 5 6
1500 B31515 A72500 B32501 B5
2502 B52503 B62504 B72505 B22506 B6
2507 B72508 C72515 B72516 B72520 F2
2521 D12522 D62523 D72524 D62525 E6
2526 D62527 D72528 D22540 E92542 E9
2547 F92559 F10
6569
BAS16
2560 D82561 D92562 B8
2563 D82564 B92565 D82566 C92567 B10
2568 G82569 C82580 A93500 C23501 D2
3502 B43503 A43504 A43505 B43506 C3
3507 D33508 B43519 E73520 F23521 E2
3522 C53523 E63524 D63525 E53526 D6
3527 B63528 D63529 C53530 C53531 D2
3540 E83541 E83542 E93543 E103544 F10
3545 F93546 E8
6564
SB340
3547 F93548 E93549 D10
3552 F83558 A93559 A93560 B93561 C8
3562 C83563 C93564 B9
3527
2K2
3565 A93566 F8
3567 C93568 C103569 F83570 C103580 A8
5500 B45501 C45502 C45520 B75521 C7
5560 D85561 D105562 B85563 D9
9520
BZ
X79
-C20
6522
6500 B5
3506
220R
6501 B66502 B56503 B66520 E16521 D7
6522 D26523 C56540 F96541 E86560 D8
6561 D86562 B86563 C86564 C86565 A10
6566 F106567 D86569 F8
BZX384-C4V7
6567
6570 G76580 A8
6581 A87515 E77520 D27521 C67522 C6
7540 F97541 F87542 F87560 A107561 D9
3507
DSP
7562 C97564 B107580 A89500 B29501 C2
9502 B49503 A79504 C109520 C7
6561
BYW76
46 5502
C914 31
1n5
2516
5 6
2525
470p
2
5520W8096
1
10
11
12
13
0R22
3547
5560
2565
5562
3500
1
2
0211
2521 2
2u
BY
D33
D
6520
2559
100n
3508
1M5
2507
47u
2569
470p
6565
BAV70
2568
0u47
10K
3569
BZ
X38
4-C
6V8
6570
2K2
3566
22K
35527542BC857B
BAS16
6566
6R8
3570
9504
5563
2508
470p
100R
3531
2528
470n
47K
3530
4K7 7522
BC847B
3529
6523
1N41
48
0282
3568
10K
2526 1n
2527
470p
2547
1m
2542
1n5
2506
2n2
82K
3543B
ZX
79-C
10
6541
470R
3549
47u
2567
270R
3519
0231SDDF
1 3
2 4
3K9
3567
10K
3528
15K
3548
47u
2566
2524
1n
3560
68R
0213
1
2
6581
BA
S21
6
2504
2n2
3504
1 2
33505
2505
2n2
3
1n2
2523
4
2 3
DMF-2405
55011 4
23
5
6
7 8
9
DMF-2820
55001
6560
BYW76
BA
S21
6
6580
6562
EGP20DL
1N50
62 (
CO
L)
6521
3525
1K
1N5062 (COL)9502
6501
1N5062 (COL)6503
1N5062 (COL)
6500
6502
1N5062 (COL)
3522
470K
3521
22R
1
2
3
4
PDTC143ZT7561
PDTC143ZT
0251
100n
2522
7541
2515
3524
56K
3
100R
3546
7560
2
1
330R
3565
8K2
3563
100n
256310K
3562
BA
S21
6
6563
BC857B7562
100R
3561
0R33
3564
220K
3580
47u
2580
3542
1K5
BC857B7580
470p
3545
82K
3544
6K8
1K3540
470R
3541
6540
1n5
2540
BC547B7540
2561
47u
27u
5561
1n
G5P1515
23
14
2560
2564
2m2
2562
1n
9501
3501
9500
6
7
8
STP7NB60FP7521
7520
1
2
3
4
5
2520
10n
9503
100R
3523
5521
1K2
3520
7515TCET1103(G)
1
2
1500
3502
B57237
0212
470n
2500
220u
2503
2501
2n2
0R22
3526
3503
ZP
B
+3.3V
+3.3V
Vdef
+3.9V
2n2
2502
MainSupply
AudioSupplyGnd
MainSupplyGnd
Stdby_con
POWER_DOWN
VlotAux+13V
MainAux
M_AuxEAR
CL 16532020_002.eps050601
P3
5V / div DC50ms / div
P1 P2 = +308V (317V)P4 = +3V3P5 = +12V4 (+3V9)P6 = +95V
50V / div DC20us / div
Item Description 14" M
ono
4Wat
t
14" S
tere
o
17" M
ono
21" S
tere
o
21" M
ono
4Wat
t
14" M
ono
1Wat
t
37TA
, 3
7TB
.
20" M
ono
21" M
ono
1Wat
t
51TA
, 5
1TB
.
52TA
, 5
2TB
.
0213 CON 2P0251 4P Male 1515 RELAY 1P 12V 5A2503 450V 100U2504 1KV 2N22566 47uF 25V X X X X X 2568 1uF 50V X X X X X X X X X X X2580 25V 47U3502 NTC DC 4R73503 PTC DC 10R3505 VDR DC 1MA/423V3506 1/2W 220R3508 1M53521 22R X X X X 3521 4R7 X X X X X X X3523 100R X X X X 3523 47R X X X X X X X3526 0.18R 1W X X X X 3526 0.15R 1W X X X X X X X3546 Jumper X X X X X X X X X X X3552 10K X X X X X X X X X X X3558 330R 1W 3559 1K X X X X X X X X X X X3560 47R X X X X X 3564 0.1R 2W X X X X X 3564 4.7R 2W X X X X X X3565 330R 1W X X X X X X X X X X X3566 2K2 X X X X X X X X X X X3567 2K2 X X X X X 3568 8K2 X X X X X 3569 5K6 X X X X X X X X X X X3570 10R 1W X X X X X X3580 47K5500 FIL MAINS 20MH5502 FIL MAINS 5MH 1A 5520 TFM SMT LAYER S359B4-09 B X X X X X X X5520 TFM SMT LAYER SS28010-06 B X X X X 5562 BEAD 100MHz X X X X 5562 BEAD 100MHz X X X X X X X6561 BYW76-RAS15/10 X X X X X X X6562 EGP20DL-5100 X X X X X X X X X X X6564 SB340L-7024 6566 BAS316 X X X X X X X X X X X6566 BAS216 X X X X X X X X X X X6569 BAS316 X X X X X X X X X X X6569 BAS216 X X X X X X X X X X X6570 BZX284-C6V2 X X X X X X X X X X X6580 DIO SIG SM BAS2166581 DIO SIG SM BAS2167521 STP6NC80ZFP X X X X X X X7521 STP4NC80ZFP X X X X 7521 STP6NC80ZFP X X X X X X X7521 STP4NC80ZFP X X X X 7541 PDTC114ET X X X X X X X X X X X7542 BC857B X X X X X X X X X X X7562 BC857B X X X X X 7564 BC857B X X X X X 7580 TRA SIG SM BC857B9500 Wire9501 Wire9502 Wire X X X X X X X X X X X9503 Wire X X X X X X X X X X X9504 Wire X X X X X 9520 Wire
Diversity Table A1
Circuit Diagrams and PWB Layouts 17L01.2E AB 7.
Mono Carrier: Line Deflection
L9
L10
L8
L6
L7
L4
L5
L2
L1
L3
VFOC
VG2
EHT
+95V
LINE DEFLECTION
TO PICTURE TUBE
TO CRTPANEL
HORIZONTAL DEFLECTIONCOIL
TO 0224 OF
CRT PANELFILAMENT
BUT11APX
BZX79-B6V2
*
A5-16A6-16
A3-65
A5-36
A6-23
*
*
* **
**
*
*
A6-21
A6-18
A1-64
*
*
*
*
* **
*
*
*
*
*
*
BD137
12V
12V4
11V6
5V6
0V
5V6
5V4
5V4
11V
5V4
1V4
5V5
90V8
0V
0V
4V5
5V5
5V
12V4
12V5
4V5 2V1
6V2
5V8V5
5V7
8V8V4
8V7
12V4
6R8
39R
for setsw/o quasi
diodemodulation
***
for setswith quasi
diodemodulation
D
E
F
0220 F60221 A52400 F42403 D22404 A42405 D32406 D3
1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10 11
A
B
4R7
3436
C
D
E
F
A
B
C
2407 D52408 B5
7435
2409 C62410 D92411 D32412 C82413 A72414 D92415 D32416 D62417 F102418 B102419 A92420 B82421 B102422 D102423 F10
4n7
2400
2424 D5
330K
3401
3401 C43402 C43403 B53404 C23406 D23408 D23410 B113411 A83412 A93413 A83414 A103415 A103416 A73417 B103418 A83419 B8
2424
3420 B103421 D93422 D103423 E103424 E93425 C93426 B103427 F103428 F93429 E43430 E43431 C93432 D43435 E63436 E55401 B35403 B4
6411
BY
D33
D
5406 B35408 B55410 F55444 D45445 B66402 C86404 D56405 E96406 C26407 D16408 E36409 A66410 D86411 D56412 D56413 A86414 A10
2415
3428
6415 A8
6416 F4
2403
6419 D96420 E106423 F97401 E27402 D47403 D27404 D27405 A107406 B97407 D107408 E97409 B97435 E59401 F59402 D5
2405
9403 A49404 B39408 B5
10n
2418
3424
100R
33R
3421
5403
7402
PDTC143ZT
1m2414
AT20785445
1
1m
2417
2408
22n
BYD33D
6405
9408
3435
100K
BA
S31
6
6408
18K
3402
9402
3430
15K
BY
D33
D
6412
3426
1M
47n
2421
3410
33K
3429
3K3
6416
BA
S31
6
6407
BA
S21
6
3408
9403
9404
5444
SC10009-031
3 6
3404
6R8
1u2420
1u2419
3432
22R
47u
2411
BY
D33
M
6404
BC857B7406
7401
7409BC857B
33K
3417
3420
33K
BAV706406
9401
BYD33D
6410
BD1357408
2413
10u
3431
3415
1K
BC857B7405
6414
10R
6413
1N4148
3414
3411 3412
3413
5K6
3419
3418
15K
6415
BA
S21
6
6420
BZX79-C9V1
820R
3423
470u
2422
100R
34226419
BZX79-C5V6
7407BD135
3425
12K
3427
2423
10u
BYD33D
6423
3406
BC6367404
2406
BC3377403
5410
27u
5401
10
2
3
4
5
6
7
8
9
2416
DC
12
5406
22R
3403
47u
2409
3R9
3416
BYD33D
6409
2412
33n
5408
2410
470u
02201
2
3
24040221
VH
1
4
BYV27-200
6402VlotAux+13V
M_Aux
Hflybk
VT_Supply
VlotAux+13V
VlotAux+13V
VlotAux+5V
Vguard
BLK-IN
EHTo
VlotAux+13V
VlotAux+5V
2407
VlotAux+13V
EHTinfo
VideoSupply
Hdrive
VlotAux+5V
VideoSupply
VlotAux-13V
MainSupply
+8V
Vdef
CL 16532020_003.eps050601
L9 L4 = +13VL5 = +5VL6 = +8VL7 = -13VL8 = +34VL10 = +176V
2V / div DC20us / div
L2
2V / div DC20us / div
L1
500mV / div DC20us / div
18L01.2E AB 7.Circuit Diagrams and PWB Layouts
Mono Carrier: Frame Deflection
F3
F4
F5
F1
F2
FLYBACKGENERATOR
POWERAMPLIFIER
THERMALPROTECTION
FRAME DEFLECTION
A2-65
VERTICALDEFLECTIONCOIL
Bead
A6-19
A6-20
**
0V9
12V
5
-12V
2
-13V
4
0V
12V
8
*
*
6472
9471
D
0222 C62471 B3
1K
3474
1 2 3 4 5 6
1 2 3 4 5 6
A
B
C
D
A
B
C
5471
2472 C32473 A4
2475 C22476 C4
2477 B23471 D5
3472 D53473 B1
3474 B23475 C1
3476 C43477 C5
3478 C53479 C2
5471 B56471 A3
6472 B56473 C5
7471 B39471 B5
1K
3479 647
3
2476
220n
2472
100n
1R5
3476
100n
2471
2K2
BYD33D
6471
2477
2K2
3475
3473
470p
2475
470p
100u
2473
3471
3472
3478
220R
FLYB
3
GND
4
IN+7
IN-1
OUT 5
VSUP
2VSUPO
6
220R
3477 0222
1
2
7471TDA9302H
Vguard
VlotAux-13V
Vdrive-
Vdrive+
VlotAux+13V
CL 16532020_006.eps050601
F5
10V / div DC5ms / div
F4
1V / div DC5ms / div
F3
10V / div DC5ms / div
F2
500mV / div DC5ms / div
F1
500mV / div DC5ms / div
Item Description 21"
14" B
lack
line
20"
17"
14" B
lack
mat
rix
2474 50V 220P2478 50V 100N3471 3R3 X X X 3471 4R7 X 3471 5R6 X3472 3R9 X 3472 5R6 X X3472 6R8 X X 5471 BEAD6472 DIODE6473 DIODE9471 Wire X X X X X
Diversity Table A3
Item Description 21"
20"
17"
14" B
lack
mat
rix
14" B
lack
line
2401 50V 680P2402 250V 680N2403 capacitor 2404 560nF 250V X 2404 680nF 250V X 2404 390nF 250V X 2404 470nF 250V X X2405 1N 50V X X X X X2406 50V 330P2407 9nF1 1.6kV X X X2407 11nF 1.6kV X 2407 12nF 1.6kV X 2408 22nF 50V X X X X2408 47nF 50V X 2415 capacitor 2416 220pF 2kV X X2416 470pF 2kV X 2416 560pF 2kV X 2416 2.2nF 2kV X 2424 47N 100V X X X X X3221 1/6W 560R3222 1/6W 100R3401 330K3402 1/6W 18K3403 22R X X X X X3406 1/6W 10K X X X X X3407 220R3408 8K2 1/6W X X X X X3412 39K X X X X X3414 12K X X X X X3425 12K X X X X3425 18K X 3431 100R X 3431 1K X 3431 2K7 X 3431 4K7 X 3431 5K6 X5401 68U5403 10U X X X 5406 COI LINCOR DRUM X X 5406 COI LINCOR DRUM X 5408 22U X 5408 27U X X X X5445 TFM 1142.5093D B X X X X X6401 DIO SIG BAV216412 BYD33D X X X X X7402 TRA POW BUT11APX7407 TRA POW BD135-167408 TRA POW BD135-169402 Wire9403 Wire X X9404 Wire X X9408 Wire
Diversity Table A2
Circuit Diagrams and PWB Layouts 19L01.2E AB 7.
Mono Carrier: Tuner IF
I1
I2 I3
I4
FM-ANT
+5V
VT
+5V ADCIF
FM
AGC
TUNERMT
AS SCL SDA
GND
TUNER IF
4.9V
4.3V
4.3V
RE
S
RE
S
FM-RADIO ANTENNA
FOR ITV ONLY
FOR EMC ONLY
A5-25
A5-27
A5-26
A5-28
A5-29
A7-13
A7-14
A5-24
A7-3
*
*
*
*
* * * *
* *
TO 0282OF
5V
0V
0V
*
*
*
*
*
FO
R IT
V O
NLY
0283
0265 A30283 B1
0285 B11000 A2
1002 D61003 E6
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
E
F
A
B
C
D
E
F
0265
1 2 3
1004 E62001 C2
2002 C2
BAS216
6003
2003 D4
1n2010
4002
2004 B42005 A4
2006 B52007 B5
2008 C42009 C7
2010 A33000 C2
3001 C23002 C5
3003 B63004 C6
3005 C73006 D4
3007 D43008 D4
3009 D53010 D2
3011 D33012 A5
4001 C44002 E6
4003 E54004 E6
4005 D54006 D4
4007 B64011 F6
4012 F65001 A5
5002 C45003 F7
6001 A46002 B5
6003 C56004 D4
6005 D57001 E4
7002 E59001 D5
1IN
2ING
4O1
5O2
10SWI
10n
2003
2004
47n
10u
2005
33R
3012
4007
100R
3010
1K3011
0285
BAS216
6002
3001
BZ
X79
-C33
6001
3000
100R
100R
4001
3004
22K
401140
12
4004
9001
4003
4005
7002PDTC124ET
4006
PDTC124ET7001
5003
2u7
5002
820n
2001
2002
2K2
3009
6005
BA
792
BA
792
6004
3008
2K2
2K2
3006
6K8
3007
2007
OFWK6272K1003
3 8
100n
1004OFWG1984M
1
2
3
4
5
5u6
5001
470u
2006
3003
4K7
8
9
3002
10K
1
10
11
12
13
14
15
2
3 4 5
6
7
1002OFWG1984M
1
2
3
4
5
1000
2008
100u
2009
22n
VlotAux+5V
+8V
SEL-IF-LL_M-TRAP
FM
3005
680R
SCL RF_AGC
SDA
VIF_2
VIF_1
SIF_1
SIF_2
VT_Supply
CL 16532020_008.eps050601
I1
2V / div DC200us / div
I2
2V / div DC200us / div
I3
20mV / div DC1ms / div
I4
500mV / div DC250ns / div
Item Description 14",
21" S
tere
o 3W
, PA
L B
G-I
14",
17",
21" M
ono
4W, P
AL
BG
-I
14",
21" S
tere
o 3W
, PA
L, S
EC
AM
L-L
1
14",
17",
21" M
ono
4W, P
AL,
SE
CA
M L
-L1
14",
21" S
tere
o 3W
, Eas
t Eur
ope
14",
17",
21" M
ono
4W, E
ast E
urop
e
14",
20",
21" M
ono
1W, P
AL
BG
-I
14",
20",
21" M
ono
1W, P
AL,
SE
CA
M L
-L1
14",
20",
21" M
ono
1W, E
ast E
urop
e
0265 3P X X X X X X 0285 1P 1000 TUN V+U PLL IEC BGDK X X X1000 TUNER UR1316R/A I -3 X X X X X X 1002 OFWK3953M X X X 1003 OFWK6289K X X X X X X1004 OFWK9656M X X X 2003 50V 10N X X X X X X X X X2010 1N X X X X X X 3002 10K X X X 3002 Jumper X X X X X X3004 8K23010 330R X X X 3010 Jumper X X X 3011 330R X X X 4001 Jumper4002 Jumper X X X X X X X X X4003 Jumper X X X 4004 Jumper4005 Jumper4006 Jumper4011 Jumper X X X 4012 Jumper4608 Jumper X X X X X X 4609 Jumper X X X X X X 5003 1U8 X X X 6002 BAS316 X X X 6002 BAS216 X X X 6004 BA792 X X X X X X X X X6005 BA7929001 Wire X X X X X X X X X
Diversity Table A4
20L01.2E AB 7.Circuit Diagrams and PWB Layouts
Mono Carrier: Video IF + Sound IF
V4
V10
V9
V5
V6
V7
V8
V3
V1
V2
VISION IF
AGC/AFC
QSS SOUND
AGC
SOUND PLL
DEEMPHASIS
VIDEO
PLL DEMOD.
QSS MIXER AM
DEMODULTOR
AUDIO SWITCH
VIDEO
AMPL
SOUND
AMPL. + AVL
IF
BASE-BAND
DELAY LINE
LUMA DELAY
PEAKING
PAL/SECAM/NTSCDECODER
VIDEO FILTERSVIDEO IDENT
I/O SWITCHING
OSD
YUV
OSD/TEXT INSERT
BLUE STRETCH
WHITE-P. ADJ.
RGB/YUV INSERTBLACK STRETCHWHITE STRETCH
5.5Mhz
6.0Mhz
VIDEO IF + SOUND IF
FOR ITV ONLY
FOR ITV ONLY
A7-44A9-44
A5-42
A8-43A9-43A11-43
A4-26
A4-27
A4-25
A4-28
A4-29
A11-42A10-42A9-42A5-42
A14-40
A14-41
A4-24
A2-16
A14-39
A14-38
A10-37
A2-36
A14-35
A14-34
A14-33
A14-32
A14-30
A12-31
FOR ITV ONLY
FOR ITV ONLY
A11-37
TO 0245OF
CRTPANEL
*
**
**
*
**
*
*
*
RES
RE
S
#
#
#
3V7
3V7
1V5
3V3
3V3
3V8
2V3
2V9
5V
2V5
2V5
2V5
2V5
5V6
3V52V
5
2V5
2V5
0V
TDA95XX 2V5
7V8
0V
1V9
1V9
1V5
1V9
1V9
2V5
0V
1V7
3V2
2V6
3V5
2V9
5V
2V5
1V8
2V
2V6
3V7
2V5
3V2
7V9
0V3
1V1
5V
0V7
1V4
3V
TDA95XX
*
*
*
4216 F95201 D75202 A86201 F46202 F56206 G47200-A B97200-C C37201 D87204 F57206 B77209 F77210 F89200 D79618 A9
3220 A43223 E53224 F33225 F53226 E53227 C73228 A73229 C73230 B73231 A73232 C103233 F73234 E103235 E23236 F73237 F83238 G73239 G83240 F63261 F93637 C13638 D14204 C84205 F24206 F24207 E24209 D94210 B84211 B84212 B24213 B24214 D10
2221 C22222 F82223 F92225 C72226 C82227 D102228 D112229 C112230 C112233 E22234 F62235 E92236 F72237 G82238 F62239 G62240 F73200 B83201 C53202 C53203 C53204 E53206 F53207 C83208 E83209 D83212 E63213 D63214 A93217 G53218 G43219 G3
B
C
D
E
F
G
0243 C60248 C20249 B20266 E110276 C21200 E71201 E71203 F82201 D22202 C22203 D22204 D52205 B32206 D62207 D82208 B82209 F42210 G32211 D82213 E22214 E22215 F22216 A82217 A82219 B42220 F5
1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10 11
A
B
C
D
E
F
G
A
2207
220p
2206
100p
2223
10p1 O 3
3261
330R
1203G 2
I
3638
75R
2222
22n
75R
3637
4216
1K3227
9618
4212
4214
1K
3229
4213
4211
0276
4210
BAS216
6201
3233
2K2
6206
UD
ZS
-TE
17-6
.2B
1n
2240
2239 1n
4209
2238
1n
2K2
3237
2235 1n
100K
3236
220K
100n
2234
1n2237
3240
330K
3239
7210BFS20
1K3238
2236
1n
3235
BFS207209
2233
820p
100R
0249
0248
2210
1u
6202
BAS216
2204
100n
4204
4206
4207
4205
BC857B7204
BC847B7201
026656
0R
3226
220n
2219
3223
1K
3231
680R
2221
22n
2225
22n
3228
390K
100u
2216
22n
2217
5202
10u
2228
820p
3232
2K2
2227
4n7
680R
3234
3230
270R
7206BC847B
2226
3n3
4u7
2229
2230
4u7
100R
3214
3213
470R
470R
3212 1I 3O
1200G 2
I 1 O 3
12012G
9200
3209
5201
2211
470n
3208
3207
1K
2208
100n
3200
390R
2205
220n
2220
470n
3220
100R
100n
2203
2202
100n
3219
2201 100n
2K2 3218
82K
3217
330K
2209
4u7
3206
100K
3225
3204
1K
3224
3203
100R
3201
100R
3202
100R
1
2
3
4
5
6
0243
2213
22n
8
2214
22n
470n
2215
41
42
43
44
45
46
47
5051 52 53
54
55
56
57
58
36
38
39
48
49
7200-C10
28
29
40
7200-A
18
19
22
23
24
25
26
27
32
33
35
LFRONT-IN
L1-IN
MONO|AM_MONO_SOUND
+8V
QSS_AM_DEM_OUT
+8VA
C-IN
FBL-1
V_OUT
BLK-IN
V1-OUT
QSS_AM_DEM_OUT
FMR
VlotAux+5V
FM
RF_AGC
VIF_1
VIF_2
SIF_1
SIF_2
G_Y-IN
B_U-IN
R_V-IN
+8V
EHTinfo
CVBS1-IN
SY_CVBS-IN
+8V
CL 16532020_009.eps050601
R
CVBS
G
B
V4
100mV / div DC20us / div
V5
1V / div DC20us / div
V6
1V / div DC20us / div
V7
1V / div DC20us / div
V8
2V / div DC5ms / div
V9
500mV / div DC10us / div
V10
1V / div DC500us / div
Circuit Diagrams and PWB Layouts 21L01.2E AB 7.
Mono Carrier: Synchronisation
S4
S5
S1
S2
S3
TELETEXT/ODSDISPLAY
+
H
V
H-DRIVE2nd LOOPH-SHIFT
VIDEO IDENT
H/V SYNC SEP.
H-OSC. + PLL
V-DRIVE
GEOMETRY
EWGEOMATRY
SYNCHRONISATION
A2-23
A6-16
A2-21
A3-20
A3-19A2-18
A7-17
A2-16A6-16
TDA95XX
N.C.(FOR E/W ONLY)
3V9
3V8
3V9
2V1
4V 0V9
2V9
7V9
1V2
1V31V2
0V
0V
A7-11
10u
5242
E
A
B
C
D
E
2241 D32242 D2
2243 B32244 D4
2245 D42246 D6
21
30
31
34
9
1 2 3 4 5 6 7
1 2 3 4 5 6 7
A
B
C
D
2247 B62248 B6
2249 B22250 B2
2252 C62253 C6
2254 A23241 D3
3242 B23244 C6
3245 D43246 D4
3247 D63248 D6
3249 C63250 C6
3251 B63254 A4
3256 B63257 A3
3258 B23259 A2
5241 A65242 B6
6241 E47200-D B3
7241 E5
7241BC857B
6241
BZX284-C6V8
7200-D11
12
13
14
15
1617
20
3254
1M100p
2254
470K
3259
330K
3258
10M
3257
2244100n
2253
1K
2252
1n
1n
3256
22n
2249
2250
2u2
2247
22n
2248
10u
5241
100u
4u7
2246
3242
27K
3250
100R
3247
220K
3248
27K
22451n
324610K
100R
3251
3244
820R
820R
3249
3245
39K
3241
22K
2243
2n2
2241
4n7
2242 1u
Vdrive+
Vdrive-
Hdrive
EHTo
EHTinfo
+8VA
EWdrive|EWD_dyn
Hflybk
+8V
SANDCASTLE
+3.3V
EHTinfo
POWER_DOWN
+8V
CL 16532020_012.eps050601
S4
500mV / div DC5ms / div
S3
500mV / div DC5ms / div
S2
500mV / div DC20us / div
S1
2V / div DC20us / divItem Description 21"
Ste
reo,
1pa
ge tx
t, P
AL,
SE
CA
M L
-L1
21" S
tere
o, 2
scar
ts
14" M
ono,
1W
att,
No
txt,
Hea
dpho
ne, P
AL,
SE
CA
M L
-L1
14" M
ono,