Philips 20PT2682wB
39
1 Service Manual Published by FM 9863 TV Service Department Printed in The Netherlands Subject to modification 5 4822 727 21567 © Copyright reserved 1998 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, electron- ic, mechanical, photocopying, or otherwise without the prior permision of Philips. Colour Television Chassis L7.2E AA CL 86532008_004.ai 160298 Table of contents Page 1 Technical specifications 2 Location of panels 2 Connection facilities 3 3 Safety instructions, Warnings 4 and Notes 4 Mechanical instructions 6 5 Repair facilities 7 Software adjustments and Hotel mode 6 Fault finding tree 13 Block diagram, 14 Survey of testpoints 15 Diagram supply voltages survey 15 7 Electrical Diagrams and print lay-outs Diagram PWB Power supply diagram A1 16 17,19 Sync, Horizontal + Vertical output diagram A2 18 17,19 Tuner, IF,Video,Chroma diagram A3 20 17,19 Control diagram A4 21 17,19 Sound processing, Sound interfacediagram A5 22 17,19 CRT panel diagram B 23 23 Sound Multi-mono panel diagram C 24 25 Sound Nicam-2CS panel diagram D 26 25 8 Electrical adjustments 27 9 Circuit diagram description (new circuits) 29 10 Directions for use 32 11 List of abbreviations 36 12 Spareparts list 37 Published by FM 9863 TV Service Department Printed in The Netherlands Copyright reserved 1998 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 permision of Philips. Subject to modification 5 4822 727 21567
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Transcript of Philips 20PT2682wB
1
ServiceManual
Published by FM 9863 TV Service Department Printed in The Netherlands Subject to modification 4822 727 21567
©Copyright reserved 1998 Philips Consumer Electronics B.V. Eindhoven, TheNetherlands. 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, electron-ic, mechanical, photocopying, or otherwise without the prior permision of Philips.
Colour Television Chassis
L7.2EAA
CL 86532008_004.ai160298
Table of contents Page1 Technical specifications 2
Location of panels2 Connection facilities 33 Safety instructions, Warnings 4
and Notes4 Mechanical instructions 65 Repair facilities 7
Software adjustmentsand Hotel mode
6 Fault finding tree 13Block diagram, 14Survey of testpoints 15Diagram supply voltages survey 15
7 Electrical Diagrams and print lay-outsDiagram PWB
Power supply diagram A1 16 17,19Sync, Horizontal + Vertical output diagram A2 18 17,19Tuner, IF,Video,Chroma diagram A3 20 17,19Control diagram A4 21 17,19Sound processing, Sound interfacediagram A5 22 17,19CRT panel diagram B 23 23Sound Multi-mono panel diagram C 24 25Sound Nicam-2CS panel diagram D 26 25
8 Electrical adjustments 279 Circuit diagram description (new circuits) 2910 Directions for use 3211 List of abbreviations 3612 Spareparts list 37
Published by FM 9863 TV Service DepartmentPrinted in The NetherlandsCopyright reserved 1998 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 otherwisewithout the prior permision of Philips.Subject to modification5 4822 727 21567
1 Technical specifications2 L7.2E
1 Technical specificationsMains Voltage: : 220 - 240 V AC: (+/- 10%)
Power consumption : 17” 50 W: (stand by < 7 W): 21” 57 W: (stand by < 7 W)
Pull in range colour sync : +/- 300 HzPull in range horizontal sync : +/- 600 HzPull in range vertical sync : 45 - 64.5 Hz
A1
ORC
D
A2
MULTIMONO
NICAM,POWER SUPPLY
SYNCHRONISATIONHOR.DEFLECTIONVERT. DEFLECTION
TUNER IFVIDEO PROCESSING
CONTROL
AUDIO SOURCE INPUTAUDIO PROCESSING
A3
A4
A5
CRT B
AUDIO PANEL
MAIN
CL 86532008_005.ai260398
Location of panels
2 Connection facilities 3L7.2E
2 Connection facilities
2.1 Cinch
- Video 1Vpp/75Ω - Audio L(0.5Vrms ≥10kΩ) - Audio R(0.5Vrms ≥10kΩ)
2.2 Head phone
- (32-600Ω ≥10mW)
2.3 Euroconnector
1 - Audio R (0.5Vrms ≤1kΩ) 2 - Audio R (0.5Vrms ≥10kΩ) 3 - Audio L (0.5Vrms ≤1kΩ) 4 - Audio 5 - Blue 6 - Audio L (0.5Vrms ≥10kΩ) 7 - Blue (0.7Vpp/75Ω)8 - CVBS-
status 0-1.3V:INT
4.5-7V:EXT 16:9
9.5-12V:EXT 4:3 9 - Green 10-11- Green (0.7Vpp/75Ω)12-13- Red 14- RGB-
status 15- Red (0.7Vpp/75Ω)16- RGB-
status (0-0.4V:INT
1-3V:EXT/75Ω)17- CVBS 18- CVBS 19- CVBS (1Vpp/75Ω) 20- CVBS (1Vpp/75Ω) 21- Earth
socket
Red
IR Video(Ext2)
L RAudio ChannelVolume
+ +--
CL86532008_008.ai170298
EXT1
3 Safety instructions, Maintenance instruction,4 L7.2E
3 Safety instructions, Maintenance instruction, Warnings and Notes3.1 Safety instructions for repairs
Figure 3-1
1. Safety regulations require that during a repair:– the set should be connected to the mains via an
isolating transformer;– safety components, indicated by the symbol (see fig.
3.1), should be replaced by components identical tothe original ones;
– when replacing the CRT, safety goggles must be worn.
2. Safety regulations require that after a repair the set mustbe returned in its original condition. In particular attentionshould be paid to the following points.– As a strict precaution, we advise you to resolder the
solder joints through which the horizontal deflectioncurrent 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 badconnections due to metal fatigue in solder joints and istherefore only necessary for television sets older than2 years. The wire trees and EHT cable should berouted correctly and fixed with the mounted cableclamps.
– The insulation of the mains lead should be checked forexternal damage.
– The mains lead strain relief should be checked for itsfunction in order to avoid touching the CRT, hotcomponents or heat sinks.
– The electrical DC resistance between the mains plugand the secondary side should be checked (only forsets which have a mains isolated power supply). Thischeck can be done as follows:• unplug the mains cord and connect a wire between
the two pins of the mains plug;• set the mains switch to the on position (keep the
mains cord unplugged!);• measure the resistance value between the pins of
the mains plug and the metal shielding of the tuneror the aerial connection on the set. The readingshould be between 4.5 MW and 12 MW;
• switch off the TV and remove the wire between thetwo pins of the mains plug.
– The cabinet should be checked for defects to avoidtouching of any inner parts by the customer.
3.2 Maintenance instruction
It is recommended to have a maintenance inspection carriedout by a qualified service employee. The interval depends onthe usage conditions:
– When the set is used under normal circumstances, forexample in a living room, the recommended interval is 3 to5 years.
– When the set is used in circumstances with higher dust,grease or moisture levels, for example in a kitchen, therecommended interval is 1 year.
– The maintenance inspection contains the following actions:• Execute the above mentioned 'general repair
instruction'.• Clean the power supply and deflection circuitry on the
chassis.• Clean the picture tube panel and the neck of the picture
tube.
3.3 Warnings
1. ESDAll ICs and many other semiconductors are susceptible toelectrostatic discharges (ESD). Careless handling duringrepair can reduce life drastically. When repairing, makesure that you are connected with the same potential as themass of the set by a wristband with resistance. Keepcomponents and tools also at this same potential.– Available ESD protection equipment:– anti-static table mat (large 1200x650x1.25mm) 4822
466 10953– anti-static table mat (small 600x650x1.25mm) 4822
466 10958– anti-static wristband 4822 395 10223– connection box (3 press stud connections, 1 M ohm)
4822 320 11307– extension cable (2 m, 2 M ohm; to connect wristband
to connection box) 4822 320 11305– connecting cable (3 m, 2 M ohm; to connect table mat
to connection box) 4822 320 11306– earth cable (1 M ohm; to connect any product to mat or
connection box) 4822 320 11308– complete kit ESD3 (combining all 6 prior products -
small table mat) 4822 310 10671– wristband tester 4822 344 13999
2. In order to prevent damage to ICs and transistors, all high-voltage flashovers must be avoided. In order to preventdamage to the picture tube, the method shown in Fig. 3.2should be used to discharge the picture tube. Use a high-voltage probe and a multimeter (position DC-V). Dischargeuntil the meter reading is 0V (after approx. 30s).
3. Together with the deflection unit and any multipole unit, theflat square picture tubes used from an integrated unit. Thedeflection and the multipole units are set optimally at thefactory. Adjustment of this unit during repair is therefore notrecommended.
4. Be careful during measurements in the high-voltagesection and on the picture tube.
5. Never replace modules or other components while the unitis switched on.
6. When making settings, use plastic rather than metal tools.This will prevent any short circuits and the danger of acircuit becoming unstable.
7. Wear safety goggles during replacement of the picture tube
3.4 Notes
1. The direct voltages and oscillograms should be measuredwith regard to the tuner earth , or hot earth as this is called(see fig. 3.3)
2. The direct voltages and oscillograms shown in thediagrams are indicative and should be measured in theService Default Mode (see chapter 8) with a colour barsignal and stereo sound (L:3 kHz, R:1 kHz unless statedotherwise) and picture carrier at 475.25 MHz.
3 Safety instructions, Maintenance instruction, 5L7.2E
3. Where necessary, the oscillograms and direct voltages aremeasured with and without aerial signal. Voltages in thepower supply section are measured both for normaloperation and in standby . These values are indicated bymeans of the appropriate symbols (see fig. 3.3).
4. The picture tube PWB has printed spark gaps. Each sparkgap is connected between an electrode of the picture tubeand the Aquadag coating.
5. The semiconductors indicated in the circuit diagram and inthe parts lists are completely interchangeable per positionwith the semiconductors in the unit, irrespective of the typeindication on these semiconductors.
Figure 3-2
Figure 3-3
V
CL 26532098/042140792
tuner earth tuner aarde la masse du tuner Tuner-Erde
massa del tuner tierra del sintonizador
with aerial signal met antenne signaal
avec signal d'antenne mit Antennensignal
con segnale d'antenna con la señal de antena
normal condition normaal bedrijf fonctionnement normal normaler Betrieb
funzionamento normale funcionamiento normal
hot earth hete aarde la terre directe heißen Erde
massa calda tierra caliente
without aerial signal zonder antenne signaal
sans signal d'antenne.ohne Antennensignal
senza segnale d'antenna sin la señal de antena
stand by stand by position de veille in Bereitschaft
modo di attesa posición de espera
4 Mechanical instructions6 L7.2E
4 Mechanical instructionsFor the service position of the main carrier see Fig. 4.1.The main carrier can be removed by releasing the 2 carrierblocking lips (1) and pulling the carrier panel backwards.
Figure 4-1
A
1
11
B CL 86532008_007.ai160299
5 Repair facilities 7L7.2E
5 Repair facilities5.1 Test points
The PWB boards have service printing on both sides. In theservice printing test points are included. These test points arereferring to the electrical function as mentioned below:
Test pointElectrical function
• A1,A2, etc.: Audio• C1,C2, etc.: Control• F1,F2, etc.: Frame drive and frame output• L1,L2, etc.: Line drive and line output• P1, P2,etc.: Power supply• S1,S2- etc.: Synchronisation• V1,V2, etc.: Video
The numbering is done in a for diagnostics logical sequence.
Example: Checking the power supply, start with test point P1,P2 etc.).
5.2 Service mode
The service mode is split into two parts:
– Service Default Mode (SDM).– Service Alignment Mode (SAM).
5.2.1 Entering and leaving SDM and SAM
1. Entering SDM• To entry the SDM , there are two possibilities:
– Via the "DEFAULT" button on the DST (DealerService Tool)
– Via short circuiting the service pins 0025 and 0024(mass), while switching on the set via the mainsswitch. For 0025 and 0024 see Diagram A4 andthe PWB drawing of the main panel.
• In the SDM mode a S (in green) and the SDM menu (inred) is displayed.(see Fig.6.1).
2. Entering SAM• To entry the SAM , there are two possibilities.
– Via the "ALIGN" button on the DST (Dealer ServiceTool)
– Via short circuiting the Service pins M28 and M29(mass), while switching on the set via the mainsswitch. For M28 and M29 see Diagram A4 and thePWB drawing of the main panel.
• In the SAM mode a S (in green) and the SAM mainmenu (in red) is displayed.(see Fig.6.2).
Remark: After the set is in the SDM or SAM mode the shortcircuit can be removed.
5.2.2 Leaving SDM or SAM
To leave the SDM or SAM mode , push the stand-by button onthe remote control
Remark: After switching off and on by the mains switch , the setremains in the SDM or SAM mode.
5.3 Initial states
The initial state after switching on in the SDM or SAM mode is:
System:
– For Multi-Europe setsPAL-BG– For Multi-France setsSECAM-L
Tuning:
– For sets with VST tuner: Programme number 1 is selected .
Further settings:
– The automatic switch off (no IDENT) timer and the sleeptimer will be ignored.
– The child lock will be disabled.– If the TV set was in hotel mode, this mode is disabled as
long as the TV is in SDM or SAM mode.– Brightness, saturation, sharpness, contrast and balance
are initialised on 50% level.– The volume is set to 25% level.– The TV set is normally controllable.– All displayed text in SDM and SAM menu are in English.
5.4 SDM (Service Default Mode)
5.4.1 SDM menu
Below in Fig.6.1 an example of the SDM menu is shown.
Between clamps a short explanation of each item is added.
Fig.6.1
Below a more detailed information of each item is given
5.4.2 Life timer
The indication is in hexadecimal notation. Each hour the set isswitched on (not standby) the number is incremented by 1.Also each time the set is switched on the number isincremented by 1.
001E 2.17.6 S
(life timer) (softwareindication)
(service modeindication)
AS ON
(option abbreviation) (option status)
ERR 0 0 0 0 0
(error) (error buffer)
OPT 36C8 B805 2401
(option) (12 digit optioncode)
5 Repair facilities8 L7.2E
5.4.3 Software indication number.
For each software change this number will be changed.
5.4.4 Service mode indication.
The S indicates that the set is in SDM or SAM mode.
5.4.5 ERROR and ERROR buffer
(ERR refers to the "ERROR BUFFER")
00000 represent the contents of the so called "ERRORBUFFER". This buffer consist of 5 digits. In each digit anERROR code can be displayed. The last five errors, are storedin the EEPROM, and are shown in this buffer. An error will beadded to the buffer if this error differs from the last error in thebuffer. The last detected error is displayed on the most leftdigit.
Example: Suppose the display shows: 3 4 1 3 1. This meansthe last found error is error code 3; the last found error but oneis error code 4, etc.
Remark: The ERROR BUFFER is erased when the set isswitched from SDM or SAM in stand by , or via code 99 viaDST.(Dealer service Tool).
The following error codes have been defined:
5.4.6 ERROR code indication via blinking stand by LED
The ERROR codes 2, 5 and 8 are also indicated via blinking ofthe stand by LED. This is important if no OSD function orpicture is available.
The method is to show LED blinks as many as the error code.
Example: Error code 5 will result in five blinks ( 0.25 secondsON and 0.25 seconds OFF).
After this sequence the LED will be OFF for 3 seconds.
5.4.7 Option abbreviation and Option status.
To select another option abbreviation use the MENU UP/DOWN buttons and to change the status use the MENU LEFT/RIGHT buttons.
Elucidation:
With above items the option statuses stored in the EEPROMcan be changed.
This is necessary if the EEPROM is replaced by a freshEEPROM, because a fresh EEPROM is initial loaded withdefault options and statuses by the microcomputer. Theoptions stored in the factory can differ per type and strokenumber. Therefore it is necessary to load the EEPROM withthe correct statuses These options with statuses are indicatedon a sticker glued on the CRT. For an example of the stickersee table 6.1 (this table is valid for 21PT1663/00).
Table 6.1
(Table only valid for 21PT1663/00)
Loading a fresh EEPROM
– Switch on the TV via the power switch.– Audio mute the TV (to get no big noise).– Change the option statuses as indicated on the sticker on
theCRT.– Put TV in stand by via the remote control.– Switch on the TV again via the remote control.
Error code Error description Possible defectiveomponent
0 No error
1 Internal RAM errorof æC
IC7600
2 General I2C error
3 EEPROMConfiguration error(Checksum error)
Set not correctconfigured
4 I2C error audioprocessor
MSP3410 onNICAM panel
5 I2C error TVprocessor
TDA8373/74
6 EEPROM error ST24C04
7 I2C error PLL tuner PLL tuner
8 POR bit high (43-IC7600)
Option abbreviation Status
AT ON
AV ON
BA ON
BL ON
CO OFF
GM ON
HO ON
MT PH
PG ON
PR 99
SA ON
SB IN
SP ON
SS ON
SU ON
SY EW
TR ON
UH OFF
VI OFF
XT ON
5 Repair facilities 9L7.2E
– Switch OFF the TV via the power switch– Switch on the TV again via the power switch.
In table 2 all the possible option abbreviation with full optionname and possible statuses for "Europe" sets are listed. Thestatus can be "ON", "OFF" or can have another indication.
Table 2 : Options
5.4.8 OPTION code
OPT is the abbreviation of OPTION, this abbreviation refers tothe following 12 digit hexadecimal option codes (36C8 B8052401)
The option code can not be selected. It only give a quickindication in hexadecimal form of the options settings of therelevant set.
5.5 SAM (Service Alignment Mode)
Via the SAM, service software alignments can be executed.
When entering SAM a main menu is displayed Via the mainmenu sub menus can be selected.
5.5.1 SAM main menu (see Fig. 6.2)
In the main menu the items of the basic software alignmentsare indicated.
The items can be selected with the UP(+)/DOWN(-) arrow keyson the remote control. Entry into the sub menus is executedwith the VOL.(+)/VOL.(-) arrow keys.
SAM MAIN MENU
Fig.6.2
Below each item is explained.
5.5.2 AKB (Auto Kine Biasing)
With the option AKB the "black current loop" can be enabledor disabled
ON =enabled, OFF = disabled.
5.5.3 TUNER Speed setting.
With the items TUN.FAO and TUN.FOB the speed ( timeconstant) for internal signals is set. The speed can be set tonormal, slow or fast.
Table 3: Options for Tuner Speed settings
Option abbr Option full name Status possibilities
AT Auto tuning system ON/OFF
AV AVL ON/OFF
BA Bass ON/OFF
BL Balance ON/OFF
CO Clock In Menu ON/OFF
GM Game mode ON/OFF
HO Hotel mode ON/OFF
MT Menu type PH = Philips
NB = National brand
MV = Magnavox
PG Program guide ON/OFF
PR Presets 99
59
79
SA Spatial ON/OFF
SB Sound Board IN = ITT NICAM
IT = ITT 2CS
MA = MONO ALL
MM = Multi Mono
SP Smart picture ON/OFF
SS Smart Sound Full ON/OFF
SU Surf ON/OFF
SY System Cluster EW = Europe West
EE = Europe East
EM = EuropeManual
SS = Single System
TR Treble ON/OFF
UH UHF only ON/OFF
VI Virgin Mode ON/OFF
XT EXT 2 Available ON/OFF
S
AKB ON
TUN.FOA ON
TUN.FOB ON
EXT.FOA ON
EXT.FOB OFF
TUNER >
WHITE TONE >
GEOMETRY >
5 Repair facilities10 L7.2E
5.5.4 EXTERNAL A/V Speed setting
With the items EXT.FAO and EXT.FOB the speed ( timeconstant) for external signals is set. The speed can be setnormal, slow and fast.
Table 4: Options for External AV Speed settings
5.5.5 Tuner
Below an example of the sub menu Tuner is shown.
Item AGC:
For the setting of the item AGC see RF AGC adjustmentparagraph 8.1.4 of chapter 8.
Item IF-PLL, IF-PLL L ACCENT, AFW, AFA and AFB,
When the main signal processor IC TDA8373/74 is changed,the IF-PLL and IF-PLL L ACCENT need to be realigned
For the settings of IF-PLL, IF-PLL L ACCENT and AFW see thepicture demodulator adjustments paragraph 8.1.5 of chapter 8.
Remark: AFA and AFB are adjusting indicators and thereforenot selectable.
5.5.6 White tone
Below an example of the white tone sub menu and the derived"WARM", "COOL" and "NORMAL" sub menus are given. Withthese menus the WARM, COOL and NORMAL colourtemperatures can be changed.
MAIN WHITE TONE MENU
WARM TEMPERATURE SUB MENU
COOL TEMPERATURE SUB MENU
NORMAL TEMPERATURE SUB MENU
Remark:
Only one of the 3 items (RED, GREEN or BLUE) will bedisplayed on the screen. Via "scrolling with the UP/DOWN keysthe items can be changed.
The item's red, green or blue can be changed by first pressingthe control left/right keys to highlight the desired setting. Withthe desired setting high lighted, the user can increment ordecrement the setting by using the control up/down key. All
TUN.FOA TUN.FOB Speed
OFF OFF Normal
OFF ON Slow
ON X Fast
EXT.FOA EXT.FOB Speed
OFF OFF Normal
OFF ON Slow
ON X Fast
Tuner S
AGC 23
F-PLL 3
IF PLL L' 0
AFW 240 KHz
AFA 0
AFB 1
S
WARM <
COOL <
NORMAL <
WARM S
RED 39
GREEN 39
BLUE 25
COOL S
RED 39
GREEN 39
BLUE 25
NORMAL S
RED 39
GREEN 39
BLUE 25
5 Repair facilities 11L7.2E
changed data are stored into the EEPROM after returning tothe SAM main menu via the OK key.
The initial default value for all setting is 37.
The factory settings of the colour temperatures are:
WARM; R = 45, G = 32, B = 26
NORMAL; R = 37, G = X, B = Y
COOL; R = 37, G = 32, B = 31
Remark: In NORMAL position the values X (G) and Y (B) areadjusted for 8500K colour temperature.
5.5.7 GEOMETRY
The geometry menu contains the following information:
Upon enter into the picture geometry menu, the first item will behighlighted.
The value can be incremented or decremented by pressing thecontrol right or left key.
The rest of the parameters can be scrolled through by using thecontrol up/down keys.
All changed data will be stored into the EEPROM afterreturning to the service main menu via the OK key.
Abbreviation explanation
– HSH - Horizontal shift– VSL - Vertical linearity– VAM - Vertical amplitude– SC - S-correction– VSH - Vertical shift
5.6 Use of Dealer Service Tool (DST)
With the SDM, under mentioned extra service features can beexecuted
– Direct entering SDM via the "DEFAULT" button on theDST.
– Direct entering SAM via the "ALIGN" button on the DST.– In case of no (OSD) picture the error buffer can be read out
using the "BLINKING LED" procedure (see also paragraph6.7) by pressing the "DIAGNOSE" button on the DST.
Remark:
– Entry of the SDM and SAM via the DST is possible in allstates, except from stand-by.
– All software is suspended till the DST mode is left.– The dealer mode status is left if the stand-by command is
received
5.7 Hotel-mode
Entering the hotel-mode :
– Select channel 38– Push the menu button on the local keyboard (vol. + & vol.
- ) and the OSD-button of the RC simultaneously for 3seconds.
– The screen shows the "HOTEL MODE SUB MENU "ON".Via this menu the wanted blanked channels can beselected.
Leaving the hotel mode :
– Same as entering the hotel mode.– The screen shows the "HOTEL MODE SUB MENU "OFF".
Remarks:
– In the HOTEL mode the Installation menu cannot beentered.
– When entering the hotel mode the maximum volume willbe the current value.
– The set will always switch to a selectable channel whenset is switched on.
HOTEL MODE SUB MENU "ON"
HOTEL MODE SUB MENU " OFF "
Remark: The Hotel mode can only be activated if the Hotelmode option status (HO=ON), see table 2.
S
HSH 25
VSL 32
VAM 23
SC 13
VSH 27
38 HOTEL ON
EXIT >
HOTEL CHANNEL 38
38 HOTEL OFF
5 Repair facilities12 L7.2E
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86532008_001.AI120298
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?
Hea
ter
volta
ge [A
2]
Ver
tical
def
l. pr
oble
mC
heck
: IC
7401
[A2]
Yes
No
Che
ck:
Che
ck:
+8V
sup
ply
FM
/ C
VB
S
D65
37, R
3541
[A1]
"F
eedb
ack
loop
"
Che
ck:
Hor
z. c
icui
t
Che
ck:
Che
ck:
Che
ck:
- R
3451
[A2]
- R
3449
[A2]
D64
45 [A
2]
Che
ck:
TS
7445
on
Sho
rtci
rcui
t [A
2]
FE
T75
18 [A
1]
C 2
205
[A3]
R 3
234
[A3]
R 3
254
[A3]
D 6
560
[A1]
IC 7
541
[A1]
Che
ck:
D 6
441
[A2]
D 6
445
[A2]
TS
744
5 [A
2]
Che
ck:
Ver
tical
Def
l.circ
uit
IC 7
401
[A2]
Che
ck:
Tun
erV
olta
geP
in 6
[A3]
+9V
[A1]
Dia
gram
Ref
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fin
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1
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1
BC
RT
CR
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MO
DU
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V15
b
V16
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V FOCUS
VG2
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EHT
73
02
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07
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06
73
01
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04
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05
73
03
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08
/73
09
G B
FF
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V15
c
V16
c
32
1
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33
41
+1
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0166
G R B
0177 1 2 3 5 4
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72
25
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72
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10
15
52
60
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1
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6
28
SC
L
SD
A
ON
LY
FS
T
V - TUNE
34
48
49
54
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12
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6.5
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PA
L/N
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C
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CO
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SY
72
00
72
15
72
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CVBS -SOUND
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CVBS -EXT1
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41
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A8
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FO
R S
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AM
161
109
15
3
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IX
72
25
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DA
83
73
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72
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A4
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R-TXT_OSD
G-TXT_OSD
B-TXT_OSD
BL-TXT-OSD
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V 1
1
32
31
11
21
22
19
GR B
077 1 2 3 5 4
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B
I2C
20 BCI
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27
8 7
38
BLACK-STR-SW
25
24
23
26
18
7265
29
30
33
38
35
34 4
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Hz
10
11
13
17
SAND-CASTLE
-(R
-Y)
-(B
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64
uS
64
uS
72
04
CVBS-TXT
CVBS-OUT-1
V 1
5
V 1
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V 1
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T
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ON
LY
VS
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(A4 -
12)
(A5 - 29)
(A4 -
13)
(A4 -
15)
(A4 -
14)
(A5 - 33)
32
16
32
17
32
02
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+8
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(A5 - 34)
(A5- 35)
(A5 - 32)
(A5- 17)
(A5 - 18)
( Y
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(R -
Y)
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(B -
Y)
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UT
(A4 - 28)
(A2 - 30)
(A4 - 21)
(A4 - 22)
(A4 - 23)
(A4 - 24)
(A4 - 25)
(A4 - 26)
(A4 - 27)
(A2 - 11)
CVBS-INT
+8
Va
3208
BLA
CK
CU
RR
EN
T
I 1
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55
45
7 4 1 2
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14
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72
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65
60
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13
15
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35
40
Ad
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AT
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08
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11
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05
50
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50
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MA
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41
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37
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35
25
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3
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SE
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2)
(A4
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65
50
25
51
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55
73
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20
65
70
25
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55
51
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63
25
62
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34
51
10
4 5 6
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1 27
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80
64
81
64
43
54
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24
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6)
(A2 -
7)
(A3 -
11)
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T2
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24
70
FF
FF
+160V
2 1
34
42
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ND
CA
ST
LE
SY
NC
G
16
kHz
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50
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50
37
44
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VERT.
DEFECTION
2 1
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3V
64
68
24
63
34
11
34
17
34
15
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26
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(A3
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8)
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30
34
40
34
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V
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(A5 - 9)
(A5 - 18) FLYBACK
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SANDCASTLE
64
80
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DEFECTION
M 4
0055
34
61
24
69
24
62
24
50
34
43
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01
TD
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30
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(A3 -
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11
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25
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DIO
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15
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1 2 3 4 5 6
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1 2 3 6 7 8 9 10
11
12
13
14
15
16
17
18
19
(A3 -
35)
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36)
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NO
0130
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1 2 3 4 5 6 7 8 9
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1 2 3 4 5 6 7 8 9 10
11
15
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01
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8
75
05‚
75
07
75
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10
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13
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15
16
17
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19
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1 2 3 4 5 6 7 8 9 10
11
12
13
17
18
19
20
21
32
33
34
35
36
42
41
40
39
38
37
36
35
34
33
32
31
29
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7600
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5297
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31
30
28
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29
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27
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51
50
49
48
47
46
45
44
43
42
41
39
40
38
15
14
16
22
23
24
25
26
27
NC
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TX
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D
23
241 2 3 4 5 6 7 8 9 10
11
12
13
17
18
19
20
21
25
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(A5 -
43)
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(A5 -
36)
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52)
(A5 -
48)
(A5 -
45)
(A5 -
49)
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50)
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12)
(A3 -
21)
(A3 -
22)
(A3 -
13)
(A1 -
2)
(A2 -
9)
(A4 -
54)
(A2 -
10)
(A3 -
27)
(A3 -
26)
(A3 -
25)
(A3 -
24)
(A4 -
54)
0029
0028
SE
RV
ICE
SA
M
MO
DE
(A3 -
40)
(A3 -
34)
0025
0024
SE
RV
ICE
SD
M
MO
DE
RC
5(A
3 -
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7620
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18
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10 8 6 4 2
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3470
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2008
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2002
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s / d
iv
2V /
div
DC
5µs
/ div
P4
(3
- 7
520)
2V /
div
DC
5µs
/ div
P4
(3
- 7
520)
P9
(14
- 75
20)
0.5V
/ di
v D
C5µ
s / d
iv
P8
(7 -
752
0)
0.5V
/ di
v D
C5µ
s / d
iv
1V /
div
DC
20µs
/ di
v
S1
(41
- 72
25 -
5D
)
100V
/ di
v D
C20
µs /
div
L1 (C
- 7
445)
2V /
div
DC
20µs
/ di
v
L2 (3
445
/ 344
2)
2V /
div
DC
20µs
/ di
v
L3 (E
- 74
40)
2V /
div
DC
20µs
/ di
v
L4 (4
0 -
7225
- 5
D)
0.5V
/ di
v D
C5m
s / d
iv
F1
(7-
7401
)
0.5V
/ di
v D
C5m
s / d
iv
F2
(1 -
740
1)
10V
/ di
v D
C5m
s / d
iv
F4
(3 -
740
1)
1V /
div
DC
20µs
/ di
v
V1
(13
- 72
25 -
5B
)
1V /
div
DC
20µs
/ di
v
V2
(38
- 72
25 -
5B
)
1V /
div
DC
20µs
/ di
v
V3
(28
- 72
25 -
5B
)
0.5V
/ di
v D
C20
µs /
div
V4
(29
- 72
25 -
5B
)
0.5V
/ di
v D
C5µ
s / d
iv
P3
(S -
751
8)
0.5V
/ di
v D
C20
µs /
div
V5
(30
- 72
25 -
5B
)
V6
(11
- 72
25 -
5B
)
3.5V
DC
(PA
L)
0.5V
/ di
v D
C20
µs /
div
V11
(11
- 72
55)
0.5V
/ di
v D
C20
µs /
div
V12
(12
- 72
25)
1V /
div
DC
20µs
/ di
v
V13
(3M
7)
1V /
div
DC
20µs
/ di
v
V14
(2M
7)
1V /
div
DC
20µs
/ di
v
V15
a,b,
c (4
M7)
1V /
div
DC
20µs
/ di
v
I1 (6
- 7
225
- 5A
)
20V
/ di
v D
C5m
s / d
iv
F3
(5-
7401
)
20V
/ di
v D
C20
µs /
div
V16
a (B
lue)
20V
/ di
v D
C20
µs /
div
V16
b (G
reen
)
20V
/ di
v D
C20
µs /
div
V16
c (R
ed)
0.1V
/ di
v A
C0.
1ms
/ div
A1
(1 -
722
5 -
5E)
5V /
div
AC
1ms
/ div
A2
(55
- 72
25 -
5E
)
C1
(52
- 76
00)
5V D
C
1V /
div
DC
5ms
/ div
C2
(50
- 76
00)
1V /
div
DC
5ms
/ div
C3
(49
- 76
00)
1V /
div
DC
0.5µ
s / d
iv
C6
(42
- 76
00)
P6
(10
- 75
20)
1V /
div
DC
5µs
/ div
L6
6443
6600
41
V8
5
V7
6454
0077
L11
L12
V15
5
V13
V141
7D
iag
ram
s an
d p
rin
t la
y-o
uts
16L
7.2E
7D
iagr
ams
and
prin
t lay
-out
s
015_
008.
EPS
2V /
div
DC
5µs
/ div
P4
(3
- 752
0)
2V /
div
DC
5µs
/ div
5V /
div
DC
5ms
/ div
0.5V
/ di
v D
C5µ
s / d
iv
P2 (C
- 65
10)
P3 (S
- 75
18)
P4
(3
- 752
0)
P5 (1
- 75
20)
14V
DC
P1 (7
- 55
45)
100V
/ di
v D
C5m
s / d
iv
P7 (6
- 75
20)
0.5V
/ di
v D
C5µ
s / d
iv
P6 (1
0 - 7
520)
P10
(C
- 65
50)
95V
DC
P10
(C
- 65
50)
104V
DC
P11
(C
- 65
70)
16V
DC
P11
(C
- 65
70)
14.4
V D
C
P12
(6
- 75
41)
2.1V
DC
P12
(6
- 75
41)
2V D
C
P13
(2
- 75
41)
14.5
V D
C
P13
(2
- 75
41)
13.6
V D
C
P14
(8
- 75
41)
8V D
C
P14
(8
- 75
41)
0.6V
DC
P15
(9
- 75
41)
5V D
C
P15
(9
- 75
41)
5V D
C
P9 (1
4 - 7
520)
0.5V
/ di
v D
C5µ
s / d
iv
P8 (7
- 75
20)
0.5V
/ di
v D
C5µ
s / d
iv
1V /
div
DC
5µs
/ div
7D
iag
ram
s an
d p
rin
t la
y-o
uts
17L
7.2E
1
B C D EA
23
45
015_
006.
EP
S17
0398
0003
E2
0004
D1
0010
C2
0011
A2
0015
D3
0020
B1
0022
B1
0024
C1
0025
C1
0026
D1
0028
D2
0029
D2
0030
B1
0044
C5
0055
A4
0066
B5
0077
D3
0088
B1
0139
A1
0166
E1
0177
E2
0231
C5
0232
B1
0233
D1
0321
E1
0322
E1
1000
E5
1015
D4
1060
C1
1061
D1
1062
D1
1063
D1
1064
A1
1100
B1
*11
02D
411
03B
1*
1104
D4
1105
C1
*11
06B
1*
1107
B1
*11
08C
5*
1109
C5
*11
10D
5*
1111
C5
*11
12D
5*
1120
B1
*11
21B
1*
1122
B1
*11
23B
1*
1206
C3
1207
C4
1208
C4
1209
E4
1275
D4
1277
D4
1500
A2
1560
C3
1571
B3
1670
B1
1681
C2
2008
E5
*20
10D
420
11E
4*
2016
D5
2042
E4
*20
43E
4*
2104
E5
2105
D5
2108
D4
2110
D5
2115
B1
2116
B1
2117
C4
*21
20D
521
21D
521
24C
1*
2125
C1
*21
28D
4*
2130
D4
*21
44D
421
45D
5*
2161
D5
2163
C1
2164
C1
2166
C5
*21
67D
521
68C
5*
2169
C5
*21
70E
521
71E
521
80C
5*
2198
B1
2199
B1
2200
D5
*22
01D
4*
2202
D4
2203
D4
*22
05E
322
09D
4*
2211
D4
2212
D4
*22
13D
4*
2214
C1
*22
15D
4*
2217
C4
2218
D4
*22
21E
3*
2222
E3
*22
24D
422
26D
322
40D
3*
2241
D3
*22
42D
3*
2248
E3
*22
49D
3*
2251
E3
*22
52E
3*
2254
E3
*22
60D
322
61C
3*
2272
D4
*22
73D
3*
2275
D4
*22
77D
4*
2283
C3
*22
84C
3*
2285
C3
*23
13E
2*
2321
E2
*23
23E
2*
2333
E1
*23
41E
123
42D
123
73E
124
01C
524
03D
424
06D
4*
2409
D4
*24
10D
424
14C
524
20C
324
21D
424
22B
224
30D
424
34D
4*
2436
D4
*24
37D
4*
2440
C3
2442
A4
*24
43C
424
44A
424
45A
424
48B
424
50A
524
51A
424
52C
424
53C
424
56A
524
60B
524
61D
324
62A
424
63C
524
64B
5*
2465
B5
*24
66C
5*
2467
C5
*24
68C
5*
2469
A4
2470
A5
2471
A4
2476
C5
*24
80C
424
85B
5*
2487
C5
*25
00A
125
02B
225
04B
225
05B
225
08A
225
09B
325
10B
325
17A
3*
2518
B2
2520
A3
*25
21A
3*
2522
A3
*25
24A
3*
2529
A3
*25
30A
325
31A
325
32A
3*
2533
A3
*25
34A
3*
2537
A3
2540
A3
2541
A3
2545
B3
2550
B4
2551
B4
2553
C2
*25
54C
2*
2560
B3
*25
61C
325
62B
425
63C
225
70B
3*
2571
C3
2572
B3
*25
80C
2*
2582
B4
*25
83C
225
84C
226
01C
1*
2602
C1
2607
D2
*26
08D
2*
2610
D1
2611
D1
2613
D1
*26
15E
426
21C
1*
2622
C1
*26
23C
1*
2630
D1
2639
D2
*26
44D
226
50D
1*
2652
D1
*26
55C
126
60D
2*
2661
D2
*26
63D
3*
2664
D2
*26
66D
2*
2670
C1
*26
71A
126
74C
2*
2680
C2
*26
82C
2*
2683
C2
*26
84C
2*
2685
C2
*26
90C
2*
2691
C2
*26
92C
2*
2693
C2
*26
94C
2*
2695
C2
*30
00E
4*
3001
E4
3002
E4
3004
E4
*30
05E
3*
3006
E3
*30
07E
330
08E
3*
3009
E3
*30
10E
330
13E
330
15E
330
16D
530
20E
5*
3022
E5
*30
40E
4*
3100
B1
3104
C3
3105
C3
*31
06C
3*
3107
C3
*31
08C
4*
3114
C1
3115
C1
3121
C5
3122
C5
3123
D5
3124
D5
*31
25D
531
26C
3*
3127
D5
3128
D5
3129
C3
*31
30C
3*
3141
D3
3144
D4
*31
60D
531
61C
531
62D
531
63D
531
64D
531
65D
5*
3166
D5
*31
67D
5*
3168
D5
*31
69C
4*
3170
E5
*31
78E
5*
3179
E5
*31
80E
5*
3181
E5
*31
85C
131
86C
131
87C
131
88C
131
91B
131
92B
131
93B
131
94E
531
95D
532
01D
4*
3202
D4
*32
03D
432
04D
5*
3205
D4
3206
C4
*32
07C
432
08D
3*
3209
D4
*32
10C
4*
3211
C4
*32
14C
4*
3215
C4
*
4003
E3
*40
04D
4*
4007
D5
*40
08D
4*
4011
E5
*40
13E
5*
4014
E5
*40
26E
4*
4052
D4
*41
00B
1*
4101
E3
*41
02B
1*
4107
B1
*41
13C
5*
4116
C4
*41
21D
5*
4177
E2
*41
78E
5*
4180
C5
*42
00E
3*
4201
E3
*42
02D
4*
4211
D4
*42
12D
4*
4213
D4
*42
14C
4*
4216
C4
*42
17B
1*
4219
D2
*42
35C
4*
4236
C5
*42
51E
3*
4421
C4
*45
55C
2*
4600
C1
*46
01C
2*
4603
C2
*46
05C
2*
4609
C2
*46
13D
2*
4621
D2
*46
47C
2*
4677
E1
*46
82C
2*
4684
C2
*46
94C
2*
4695
C2
*46
96C
2*
5010
E4
5128
D4
5201
C3
5202
D4
5203
E3
5206
C3
5260
D4
5370
E1
5441
A5
5442
A4
5443
A5
5445
B4
5451
A4
5456
B4
5457
B4
5458
B4
5500
B2
5515
A3
5516
B3
5540
A3
5545
B3
5550
B3
5551
C4
5553
C3
5570
B3
5571
E3
5572
B3
5573
B3
5600
D1
5601
C1
5602
C2
5603
C2
5605
C2
5620
C1
6001
E3
6002
E3
6003
E4
6016
D5
6100
C4
6101
C4
6109
D5
6110
D5
6111
C3
6254
E3
6265
C4
6311
E2
6321
D2
6331
D2
6332
E1
6341
E2
6347
E2
6420
C3
6440
A4
6441
A4
6443
C5
6444
B4
6445
A4
6449
C4
6454
B4
6455
A5
6456
A5
6461
B4
6464
B4
6468
C5
6470
B5
6480
C4
6481
C4
6502
B2
6503
B2
6504
B2
6505
B2
6507
B3
6508
A3
6510
A2
6524
A3
6537
A3
6540
A3
6550
C3
6560
B3
6570
B3
6581
C2
6583
B4
6585
C2
6586
C2
6600
C1
6610
D1
6653
C1
6661
D2
6663
A1
6690
D2
6691
C3
6692
C3
6693
C3
7001
E3
*70
02E
3*
7003
E3
*71
00C
3*
7101
C3
*71
15D
5*
7118
E5
*72
00C
4*
7204
D3
*72
14C
4*
7215
C4
*72
20D
3*
7225
D4
7241
D3
7255
E3
7265
C3
*73
01E
273
02E
273
03E
173
04E
273
05E
273
06E
273
07E
273
08E
173
09E
174
01C
574
20D
5*
7421
C4
*74
40C
3*
7441
A4
7445
A4
7518
B3
7520
A3
7541
C3
7581
A4
7583
B3
*75
84B
4*
7585
C2
*75
86C
2*
7587
C2
*76
00C
276
01C
276
03C
2*
7608
D1
*76
10D
1*
7620
C1
7644
D3
*76
55C
1*
7681
C2
*76
82C
2*
7683
C2
*76
84C
2*
9001
E4
9003
E5
9006
E4
9007
D4
9008
D2
9009
E3
9010
E3
9011
E3
9013
E4
9016
D5
9018
D5
9019
D4
9020
D3
9021
D3
9023
C3
9024
E4
9025
D4
9040
E4
9100
C4
9101
C4
9102
E3
3505
B1
3506
B2
3507
B2
3510
B2
3512
A3
*35
13A
3*
3517
A3
*35
18A
335
20A
3*
3521
A3
3524
A3
*35
25A
335
28A
335
29A
335
30A
335
32A
3*
3534
A3
*35
36A
3*
3537
A3
*35
38A
335
39A
335
40A
335
41A
335
42A
235
45B
235
46B
335
52C
3*
3553
C3
*35
54C
3*
3565
C2
*35
70B
3*
3580
C2
*35
81C
2*
3582
C2
*35
85B
435
86B
4*
3587
B3
*35
88B
4*
3589
B3
*35
90C
2*
3591
C2
*35
93C
2*
3601
C1
3602
D2
3603
D1
3604
C2
*36
05C
2*
3606
C2
*36
07C
2*
3608
D1
3610
D1
*36
12D
1*
3613
D1
3614
D1
*36
15E
436
16D
1*
3617
C3
3618
C3
3621
C1
*36
22C
1*
3623
C1
*36
24C
1*
3625
C1
*36
28E
3*
3629
C1
*36
30D
1*
3632
D2
*36
33D
236
34D
236
36E
336
37E
236
40E
2*
3641
E2
*36
44D
236
53D
1*
3654
D2
*36
55D
236
56C
1*
3657
D2
3660
D2
*36
61D
2*
3662
D2
*36
63C
1*
3664
D3
*36
65D
2*
3666
D2
*36
67C
1*
3670
C2
3671
C1
*36
74C
236
75C
236
76C
2*
3681
C2
3684
C2
*36
85C
236
86C
2*
3688
C2
*36
89C
2*
3690
C2
3693
C2
*36
94C
2*
3695
C2
*36
96C
2*
3698
C2
*36
99D
2*
4000
E5
*40
02E
4*
3216
C4
*32
17C
4*
3218
C4
*32
20C
432
21C
432
23D
332
24D
3*
3225
D3
*32
27D
4*
3229
D4
*32
34D
332
48E
3*
3249
D3
*32
50D
3*
3251
D3
3252
E3
*32
53E
3*
3254
E3
*32
65C
3*
3266
C3
3267
C4
3273
D4
*32
80D
3*
3311
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C5
3437
C4
3440
C3
*34
41C
3*
3442
A4
3443
B4
*34
44A
434
45A
434
46A
434
47B
434
48B
434
49B
534
50B
434
51B
434
56A
534
57A
534
58A
534
59A
434
60B
534
61C
3*
3462
B4
3470
B5
3471
A5
3480
C4
3481
C4
3490
D4
*34
91D
4*
3500
A2
3501
A1
3503
B2
3504
B2
9103
E4
9104
E4
9107
D4
9108
E5
9109
E4
9110
E3
9111
E2
9112
D5
9113
C4
9115
E4
9116
E3
9118
C3
9122
E4
9123
E4
9124
E4
9125
E4
9126
D4
9131
D5
9132
B1
9133
E3
9134
E3
9135
E3
9137
E5
9138
E5
9139
D2
9141
D3
9145
D5
9147
D5
9148
D5
9202
D4
9203
C4
9206
C3
9207
C3
9208
D3
9209
C3
9210
E4
9211
D3
9212
D3
9220
D3
9221
C3
9225
C3
9229
D2
9233
D1
9235
D3
9236
D3
9237
C3
9238
D3
9240
C4
9245
D3
9246
D3
9247
C3
9248
C3
9250
D3
9251
D3
9252
D1
9261
D3
9270
C3
9313
E1
9317
D1
9334
E2
9337
E1
9341
E2
9347
E2
9370
E1
9372
E1
9377
E1
9403
B4
9404
C5
9405
C3
9406
B5
9408
C5
9410
C4
9411
B5
9413
C5
9416
C4
9417
C2
9418
D3
9419
C4
9423
C4
9424
C4
9425
C4
9426
D3
9443
D5
9448
B4
9450
A4
9454
A5
9461
B4
9462
B4
9469
C5
9500
A2
9501
A1
9505
B2
9515
A3
9518
C3
9519
C3
9520
C2
9590
C3
9601
D3
9602
C1
9603
B1
9604
D3
9605
D2
9606
E4
9607
C2
9611
D2
9613
D1
9614
D2
9615
C2
9616
C3
9620
C1
9628
D3
9637
C1
9643
D2
9644
D3
9647
D2
9649
C2
9650
C3
9651
C4
9658
C1
9660
C2
9663
D2
9667
D2
9677
C2
9690
D2
9691
C3
9692
C3
9693
C3
9900
B5
9901
B5
9902
D5
9903
C5
9904
D5
9905
D5
9906
D5
9907
C5
M0
B3
M11
E4
M9
E3
*=ch
ipco
mpo
nent
7D
iag
ram
s an
d p
rin
t la
y-o
uts
19L
7.2E
20V
/ di
v D
C5m
s / d
iv0.
5V /
div
DC
5ms
/ div
2V /
div
DC
20µs
/ di
v10
0V /
div
DC
20µs
/ di
v1V
/ di
v D
C20
µs /
div
L1 (C
- 7
445)
L2 (3
445
/ 344
2)S
1 (4
1 -
7225
- 5
D)
2V /
div
DC
20µs
/ di
v2V
/ di
v D
C20
µs /
div
L3 (E
- 74
40)
L4 (4
0 -
7225
- 5
D)
0.5V
/ di
v D
C5m
s / d
iv
F1
(7-
7401
)F
2 (1
- 7
401)
L11
(C -
645
4)
5V D
C
L12
(C -
644
3)
13V
DC
10V
/ di
v D
C5m
s / d
iv
F3
(5-
7401
)F
4 (3
- 7
401)
015_
009.
EP
S
7D
iag
ram
s an
d p
rin
t la
y-o
uts
20L
7.2E
1V
/ d
iv D
C20µs
/ div
V15 (4
M7
)
V8 (5
- 7
25
5)
1V
/ d
iv D
C20µs
/ div
1V
/ d
iv D
C20µs
/ div
1V
/ d
iv D
C20µs
/ div
V2 (3
8 -
72
25
- 5
B)
V3 (2
8 -
72
25
- 5
B)
V1 (1
3 -
72
25
- 5
B)
0.5
V / d
iv D
C20µs
/ div
V4 (2
9 -
72
25
- 5
B)
0.5
V / d
iv D
C20µs
/ div
V7 (1
6 -
72
41
)
0.5
V / d
iv D
C20µs
/ div
1V
/ d
iv D
C20µs
/ div
V9 (1
6 -
72
55
)
0.5
V / d
iv D
C20µs
/ div
V11 (1
1 -
72
55
)
1V
/ d
iv D
C20µs
/ div
1V
/ d
iv D
C20µs
/ div
0.5
V / d
iv D
C20µs
/ div
V13 (3
M7
)
V14 (2
M7
)
V12 (1
2 -
72
25
)
1V
/ d
iv D
C20µs
/ div
0.2
V / d
iv A
C20µs
/ div
I1 (6
- 7
22
5 -
5A
)
0.5
V / d
iv D
C20µs
/ div
I3 (1
- T
un
er)
I4 (1
- T
un
er)
only
FS
T tuner
I5 (2
- T
un
er)
2V
DC
0.5
V / d
iv D
C20µs
/ div
V5 (3
0 -
72
25
- 5
B)
V6 (1
1 -
72
25
- 5
B)
3.5
V D
C (P
AL
)
0.5
V / d
iv D
C20µs
/ div
V10 (1
4 -
72
55
)
I2 (I
F -
Tu
ne
r)
01
5_
01
0.E
PS
7D
iag
ram
s an
d p
rin
t la
y-o
uts
21L
7.2E
1V /
div
DC
0.5µ
s / d
iv
C5
(41
- 76
00)
1V /
div
DC
5ms
/ div
1V /
div
DC
5ms
/ div
1V /
div
DC
5ms
/ div
C2
(50
- 76
00)
C3
(49
- 76
00)
C4
(1 -
167
0)(w
ith R
C5
sign
al)
C1
(52
- 76
00)
5V D
C
1V /
div
DC
0.5µ
s / d
iv
C6
(42
- 76
00)
7D
iag
ram
s an
d p
rin
t la
y-o
uts
22L
7.2E
A5
(A
udio
out)
1V
/ d
iv D
C0
.5m
s /
div
5V
/ d
iv A
C1
ms
/ d
iv1
V /
div
DC
0.5
ms
/ d
iv
A2
(55 -
7225 -
5E
)A
3 (
15 -
7225 -
5E
)
1V
/ d
iv D
C2
0µ
s /
div
A6
(V
ideo o
ut)
0.1
V /
div
AC
0.1
ms
/ d
iv
A1
(1 -
7225 -
5E
)A
4 (
Audio
out)
1V
/ d
iv D
C0
.5m
s /
div
0.1
V /
div
DC
1m
s /
div
A7
, A
8,
A9
, A
10
015_012.E
PS
7D
iag
ram
s an
d p
rin
t la
y-o
uts
23L
7.2E
Proc
essin
g
Vid
eo
A3
OF
0077TO
TO 0
066
OF
Line
-out
put
5V1
120V
183
1V8
124V
2V1
5V1
1V8
115V
183V
118V
2V1
1V8
2V1
121V
5V1
116V
8
183V
25KV EHT
FOCUS
A2
or
or
or
or
56u
22u
5370
2R7
1R33
72
2R7
1R33
71
RB
1010
G
FFFF
Vg1
Vg2
FOC
US
AQ
UA
DA
G
Vg2(RES)
or or or
17"
21"
2313
2323
2333
3312
3322
3332
150p
220p
180p
470R
470R
470R
220p
270P
270P
430R
430R
430R
CR
T
200V+2
00V
a
+200
Va
+200
Va
FL_A
GND_LOT
BLA
CK
_CU
RR
ENT
+200
Va
200V
B
G
R
+200
Va
+200
Va
+200
Va
+200
Va
+200
Va
A285
A382
A381
A380
A379
A378
A377
A376
A375
A374
A373
A372
A343
A342A341
A340
A334
A300
A296
A319
A281
A282
A428
A287 A301
A302
A288
A056
A280
A399
A390
3 2 10177
45
1
0166
2
3
0003 1
0321 D 5
0321 D 5
0321 D 4
0321 B 4
0321 A 5
0321 D 6
0177 C 1
0166 H 4
0004 A 5
0003 H 5
6331 A 3
6321 D 3
6311 G 3
5370 E 5
3374 E 5
3372 E 4
3371 E 4
3347 H 3
3342 A 5
3341 A 4
7307 D 3
7306 D 3
7305 F 3
7304 G 3
7303 B 2
7302 D 2
7301 G 2
6347 H 3
6341 H 2
6332 B 3
A285 C 1
A282 C 3
A281 C 4
A280 A 5
A056 A 2
9372 E 5
9370 E 5
9341 H 2
7309 A 3
7308 B 3
A341 A 3
A340 A 3
A334 A 4
A319 H 1
A302 G 2
A301 G 2
A300 D 5
A296 D 4
A288 D 2
A287 D 2
A379 C 1
A378 G 2
A377 F 3
A376 E 4
A375 D 2
A374 E 3
A373 D 3
A372 C 3
A343 B 2
A342 B 3
0322 D 4
0322 D 5
0322 C 4
0322 D 5
0322 B 4
0322 D 5
0322 D 6
0321 B 4
0321 D 5
0321 C 4
A428 A 2
A399 A 5
A390 A 4
A382 F 4
A381 B 3
A380 E 5
3311 G 2
2373 F 5
2342 A 5
2341 A 5
2333 B 2
2323 E 2
2321 H 2
2313 G 2
0322 D 6
0322 B 4
3324 C 2
3323 E 2
3322 E 2
3321 D 2
3317 G 3
3316 F 3
3315 H 3
3314 F 2
3313 H 2
3312 G 2
3337 A 3
3336 A 3
3335 B 3
3334 A 2
3333 C 2
3332 B 2
3331 B 2
3327 D 3
3326 C 3
3325 E 3
45
16
72
3
EDCB HA GF
EDCB HA GF
9372
9341
9370
330R3335
10R
3341
220R3316
330R3315
330R3325
220R3326
220R3336
1K3347
*3372
*3371
203
21
0321 1
0321
7903
21
303
21
0321 6
0321 8
0321 5
0321 403
2286
0322
1103
22
0322 12
0322 5
0322 7
0322 9
0322 10
0322 1
V15
a
V15
b V15
c
V16
c
V16
a
V16
b
22u/250V
2342
2321
RES
2341
100n 2373
33n
2333
*
2323
*2313
*
6341
RES
6311
BAV21
6321
BAV21
6332
BAV21
6331
1N4148
7305
BF422
7307
BF422
7309
BF422
7303
BF422
BF422
7301
BF422
BF423
7304
BF423
7306
BF423
7308
3317
1k5
3327
1k5
3337
1k5
333415k
3342220k
33741K5
33311k
3332*
333347R
332347R
3322*
33211k
332415k 3313
47R
3312*
33111k
331415k
BZX79C-8V2
6347
0004
*5370
7302
20V
/ di
v D
C
V16
a (B
lue)
1V /
div
DC
1V /
div
DC
1V /
div
DC
V15
c (B
leu)
V15
b (G
reen
)V
15a
(Blu
e)
20V
/ di
v D
C
V16
b (G
reen
)
20V
/ di
v D
C
V16
c (R
ed)01
5_01
3.E
PS
11
BB
AA
22
33
015_
004.
EP
S10
0398
0003
B2
0004
A1
0166
B1
0177
B3
0233
A1
0321
B2
0322
A2
2313
B3
*
2321
B3
*23
23B
3*
2333
A1
*23
41B
123
42A
123
73B
233
11B
333
12B
3*
3313
B3
*
3313
B3
*33
14A
333
15A
333
16A
233
17A
233
21B
3*
3322
B3
*33
23B
3*
3374
B2
4677
B1
*53
70B
163
11A
263
21A
363
31A
363
32A
163
41B
3
3324
A3
3325
B3
3326
A3
3327
A3
3331
B1
*33
32B
1*
3333
B1
*33
34A
1
6347
B3
7301
B3
7302
B3
7303
A1
7304
B3
7305
B2
7306
B3
7307
B3
3335
B3
3336
A1
3337
A1
3341
A1
3342
A1
3347
B3
3371
B1
3372
B1
7308
B1
7309
A1
9313
B1
9317
A1
9334
A3
9337
B1
9341
B3
9347
A2
9347
A2
9370
B1
9372
B1
9377
B2
*=ch
ipco
mpo
nent
11
BB
AA
22
33
015_
005.
EP
S10
0398
0003
B2
0004
A1
0166
B1
0177
B3
0233
A1
0321
B2
0322
A2
2313
B3
*
2321
B3
*23
23B
3*
2333
A1
*23
41B
123
42A
123
73B
233
11B
333
12B
3*
3313
B3
*
3313
B3
*33
14A
333
15A
333
16A
233
17A
233
21B
3*
3322
B3
*33
23B
3*
3374
B2
4677
B1
*53
70B
163
11A
263
21A
363
31A
363
32A
163
41B
3
3324
A3
3325
B3
3326
A3
3327
A3
3331
B1
*33
32B
1*
3333
B1
*33
34A
1
6347
B3
7301
B3
7302
B3
7303
A1
7304
B3
7305
B2
7306
B3
7307
B3
3335
B3
3336
A1
3337
A1
3341
A1
3342
A1
3347
B3
3371
B1
3372
B1
7308
B1
7309
A1
9313
B1
9317
A1
9334
A3
9337
B1
9341
B3
9347
A2
9347
A2
9370
B1
9372
B1
9377
B2
*=ch
ipco
mpo
nent
7D
iag
ram
s an
d p
rin
t la
y-o
uts
24L
7.2E
015_
014.
EP
S
7D
iag
ram
s an
d p
rin
t la
y-o
uts
25L
7.2E
1
BA
23
015_
003.
EP
S10
0398
9503
B1
9504
B3
9505
B3
9506
B2
9507
B2
9508
A2
9510
B2
9514
B1
9515
B3
0022
B3
0033
B1
0130
B3
1501
B2
2501
B2
2502
B1
2503
B1
2504
B1
2505
A1
2506
A1
2507
A1
2508
A2
2509
A1
2510
A1
2511
B2
2512
B2
2513
A2
2514
B2
2515
B3
2516
B3
2517
B3
2518
B3
2519
B3
2520
B3
2521
B2
2522
B1
2523
B1
2524
B1
2525
A2
3501
B2
3502
B2
3503
B2
3504
B2
3505
B2
3506
B1
3507
B2
3508
B1
3509
A1
3510
B1
3511
A1
3522
A2
3523
A2
3524
A2
3525
B2
3526
B2
3527
B2
3528
B2
3529
B2
3530
B2
3531
A2
3532
B2
3533
B2
3534
B3
3536
B3
3537
B3
3539
B2
3540
B2
5501
B1
6501
B1
6502
B2
6503
B2
6504
B3
6505
B3
7220
B3
7501
B1
7502
B3
7503
B2
7504
B2
7505
A1
7506
A1
7507
B1
7508
B2
7509
B2
7510
B2
7511
A1
7512
A1
7513
A1
7514
A1
7515
A2
9501
B1
1
BA
23
0022
B3
0033
B1
0130
B3
1202
B2
1203
B2
1204
A2
2201
B2
*22
02B
2*
2203
B2
2206
B2
*22
07B
2*
2208
A2
2209
A1
*22
10B
2*
2211
A1
*22
12A
1*
2213
A2
*22
14A
2*
2215
A2
*22
16A
1*
2217
A1
*22
20A
1*
2221
A1
*22
24A
2*
2225
A2
*22
26A
2*
2227
A1
*22
28A
222
29B
122
30A
122
31A
1*
2232
A1
*22
34A
122
35A
1*
2236
A1
*22
37B
2*
2238
B2
*22
39A
1*
2240
A1
*22
41A
122
42A
1*
2243
A1
*22
44A
1*
2245
B1
2246
B1
*22
47B
1*
2248
B1
2249
B1
*22
50B
122
51B
1*
2252
A1
2253
B1
*22
54B
1*
2255
A2
2256
B3
*22
57B
322
60A
122
61A
222
62A
222
63A
222
64B
322
65B
3*
2266
B1
*22
67B
1*
2268
B1
2271
B3
*22
72B
3*
2273
B1
*22
74A
1*
2276
A1
*22
77A
1*
2278
A1
*22
79A
2*
2280
A1
*22
81A
1*
3201
B2
*32
02B
2*
3203
B2
*32
07B
2*
3211
B2
*32
13B
332
14B
2*
3215
B2
*32
16B
132
17B
132
18A
2*
3219
A2
*32
20A
2*
3221
A2
*32
22B
2*
3223
A2
*32
24A
1*
3227
A1
*32
28B
2*
3229
B1
*32
30B
1*
3233
B1
*32
34B
1*
3235
A1
*32
38B
1*
3239
B1
*32
40A
1*
3242
A1
*32
43B
1*
3244
B1
*32
46B
232
47B
132
48B
1*
3249
B3
3250
B2
3251
B3
*32
52B
3*
3253
B3
*32
54B
242
00B
2*
4201
A2
*42
03B
2*
4204
B2
*42
05B
2*
4206
B2
*42
07B
2*
4209
B2
*42
11B
3*
4214
B2
*42
20B
1*
4221
B1
*42
22B
1*
4223
B1
*42
33A
1*
5201
B2
*52
02B
252
03B
152
04A
152
05A
252
06B
252
07B
262
01B
262
02B
262
04A
162
05B
162
06B
362
07B
372
01B
272
02A
172
03B
172
04B
372
05B
2*
7207
B2
*72
08B
2*
7209
B1
*72
10B
2*
7211
A2
*72
12A
2*
7214
B1
7215
B2
*72
16B
2*
7220
B3
9200
B1
9201
B2
9202
B2
9205
B3
9206
A2
9207
A2
9208
B1
9209
A2
9210
B1
9211
B1
9212
B1
9213
B3
9214
A2
9215
B2
9216
B1
9217
B2
9220
B2
9221
B3
9223
B1
9224
B2
9257
B3
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8 Electrical adjustments 27L7.2E
8 Electrical adjustmentsNote:Unless stated otherwise, the supply voltage used is:220V to 240V +/- 10%, 50 - 60 Hz +/- 5%.Voltage and wave forms are measured in respect to earth.Remarks:
– Never use the heatsink as earth.– Where in the adjustment a pattern generator is mentioned,
a colour pattern generator PM5418 has been used with anRF output voltage of 1mV.
– For some adjustments the set has to be put in the SAM(Service Alignment Mode).
– When in the text "Enter SAM" is mentioned proceed asfollows:
– Enter SAM by Dealer Service Tool (button "ALIGN"), or viashort-circuit the service pins 0028 and 0029 on the mainPCB while switching on the set via the mains switch.
– The SAM menu is displayed when the SAM mode isentered (see also chapter 5).
8.1 Settings on the main chassis panel
8.1.1 (95V supply voltage (17", 21" )
– Connect a multi meter (DC) across C2551.– Set brightness and contrast to minimum– Tune to a colour-bar test signal– Apply a colour bar pattern.– Adjust potentiometer R3540 to:
• 96.7V +/- 1V for 21" sets• 100V +/- 1V for 17" sets.
8.1.2 Geometry adjustments (software adjustment)
– Apply a cross hatch pattern– Enter SAM.– Enter into GEOMETRY menu.– The value of the geometry settings can be decrement or
increment by pressing the right or left key on the remotecontrol.
Remark: Before doing the geometry alignment HSH,VSH andVAM, set first item VS (vertical slope) to 25 and SC (Vertical S-correction) to 13 for 21" and to 15 for 17".
* Horizontal centring
Select item HSH for horizontal shift.
* Vertical centring
Select item VSH for vertical shift
* Picture height
Select item VAM for vertical amplitude .
8.1.3 Focusing
– Apply a cross hatch pattern.– Set brightness and contrast at maximum.– Adjusted with focusing potentiometer (upper knob of LOT
5445 ) for maximum sharpness of the picture.
8.1.4 RF-AGC adjustment (software adjustment)
– Apply a PAL colour bar pattern and set RF-frequency on189.25MHz (output voltage 1mV).
– Enter SAM
– Enter into TUNER menu, select item AGC for RF AGCadjustment.
– Connect a multi-meter (DC) at pin 1 of the tuner.– The "AGC" value can be increment or decrement by
pressing the remote control right or left key. Adjust so thatthe voltage at pin 1 of the tuner is 5V ( 0.5V DC
8.1.5 Picture demodulator adjustment.
– Enter SAM .– Enter into TUNER menu– Connect a signal generator (PM5326) to pin 11 of the tuner
* IF-PLL setting (for all versions)
– Set generator signal to 38.9MHz (negative modulation).– Set AFW = 80 and adjust IF PLL until AFA = 1 and AFB is
just switching from 1 to 0 or 0 to 1.
* IF-PLL L ACCENT setting
– Set generator signal to 33.9MHz (positive modulation) inBand I & System L for Mono BGLI version
– Set generator signal to 34.0MHz (positive modulation) inBand I & System L for Nicam BGLI version.
– Set AFW = 80 and adjust IF PLL ACCENT until AFA = 1and AFB is just switching from 1 to 0 or 0 to 1.
Remark: For IF PLL ACCENT adjustment, the set has to betuned on system France, VHF 1 and varicap voltage <9V.
8.2 Vg2 and white-D settings
8.2.1 Vg2 cut off alignment
– Apply a black picture pattern.– Connect an oscilloscope to the picture tube cathodes for
red, green and blue. Set the oscilloscope to DC 50V/Divand 2ms/Div.
– Measure the DC level of the measuring pulses at the endof the frame blanking (see Fig 8.1)
– Adjust the VG2 potmeter (lower knob on the LOT) so thatthe measuring pulses with the highest level are:• 140V +/- 2V for 21"• 130V +/- 2V for 17"
8.2.2 White-D adjustment (software adjustment)
– Enter into WHITE TONE menu, select item WARN, COOLor NORMAL, only one of the three items Apply a whiteraster pattern.
– Enter SAM (see chapter 6).– (R, G or B) will be displayed on the screen.– The initial default value for all setting is 37.– The factory settings of the colour temperatures are :
• WARM(R = 45, G = 32, B = 26)• NORMAL(R = 37, G = X, B = Y)• COOL(R = 37, G = 32, B = 31)
Remark: X and Y values in NORMAL setting are adjusted for8500K colour temperature.
8 Electrical adjustments28 L7.2E
Figure 8-1
Figure 8-2
CL 86532008_006.ai160298
MEASURING PULS
Vcu
0V
ADJUSTLEVEL
3540
CL86532008_010.ai170298
SDM
SAM
Focus
Screen
LOT
Main panel (component side view)
CRT panel (track side view)
0166
Hot Area
VBATT
00240025
0028
0029
7620EEPROM
7600µP
7225TV.PROC.
TUNER
AUDIOPANEL
1900
0322
0177
8
1
1
1
17" 100V ±1V21" 96V7 ± 1V
9 Circuit diagram description 29L7.2E
9 Circuit diagram descriptionIntroduction
For a quick overall view of all diagrams see the block diagramon sheet 4.
This chassis is executed with:
– A mains isolated SMPS (switched mode power supply)– A single chip TV processor with software controlled picture
geometry adjustments– Micro computer with teletext function (execution
depended)-– Separate audio module (multi mono or NICAM) with output
amplifier
9.1 Power supply (Diagram A1)
9.1.1 Mains input and degaussing
The mains voltage is filtered by L5500, L5501 and L5502, fullwave rectified by a diode bridge (6502-6505) and smoothed byC2508. The DC voltage for the SMPS is applied at pin 7 ofT5545 (e.g. 300V DC for 220V AC mains).
The degaussing current is applied via dual PTC resistor R3504After switching "on" the set, the PTC is cold so low-ohmic andtherefore the degaussing current is very high. Duringdegaussing, the PTC is heated up and is getting high-ohmic, asa result the current through the PTC becomes very low.
9.1.2 Switched mode power supply
The switched mode power supply (SMPS) is mains isolated.The control device IC7520 (MC44603AP) delivers duty cyclecontrolled pulses for driving switching FET 7518. The pulseshave a fixed frequency of 70 kHz in normal operation.
For a detailed block diagram of IC7520 (MC44603) see Fig.9.1.
9.1.3 Start up and take over circuitry.
Via the start-up circuitry R3530 and R3529 one side of the220V AC mains is used to start-up IC7520 via the supply pin(Vpin 1). As long as Vpin 1 has not reached 14V5, IC7520 doesnot start up and only sinks 0.3mA. As soon as Vpin 1 reachesthe 14V5, IC7520 starts driving FET 7518 into conduction andpin 1 sinks a typical supply current of 17mA. This supplycurrent can not be delivered by the start-up circuit, so a take-over circuit has to be available. If no take-over take's place, thevoltage on pin 1 will decrease and IC7520 switches off . In thatcase the restart will start again. During start-up a voltageacross winding 1 - 2 is built up. At the moment the voltageacross winding 1 - 2 reaches approx. (12V, D6540 startconducting and takes over the supply voltage Vpin 1 of IC7520(take over current is approx. 17mA).
9.1.4 Secondary output voltages sensing (pin 14 of IC7520)
Winding 1 - 2 has the same polarity as the secondary windingswitch are supplying the load. During the FET is not conductingthe secondary windings and winding 1-2 are positive. D6537conducts and charges C2537; the DC level across C2537 is areference for the secondary output voltages e.g. the+95V((VBATT). This control voltage (feedback voltage) isapplied via voltage divider R3538, R3539 and potentiometerR3540 (for adjusting the +VBATT) to the error amplifier inputIC7520 pin 14.
9.1.5 Primary current (I-prim) sensing (pin 7 of IC7520)
The current sense voltage Vpin 7 is a measure for the I-primthrough FET 7518. The I-prim is converted into a voltage byR3518. The current sense voltage Vpin 7 is used to controlboth the secondary output voltages and the maximum I-prim.
9.1.6 Demagnetization control (pin 8 0f IC7520)
The voltage across winding 1 - 2 has the same polarity as thevoltage across the secondary windings. As a result the voltageacross this winding is negative during the FET is conducting,and positive during the FET is not conducting. The so calleddemagnetization "DEMAG" function in IC7520 (input pin 8) isused for blocking the output Vpin3 during the time that there isstill energy in the transformer (Isec not zero). This is realizedby delaying the switch "on" point of the FET until thedemagnetization is completely finished.
9.1.7 Standby mode
In the standby mode the load decreases under a certainthreshold level. The SMPS is than switching to the so called"reduced frequency mode". The switching frequency is thanreduced to 20 kHz. The minimal load threshold level isdetermined by R3532 connected to pin 12.
In normal operation mode the internal oscillator is adjusted at70 kHz. This frequency is determined by C2531 and R3537connected to pin 10 and pin 16 respectively of the IC7520.
In standby mode the internal oscillator is adjusted at 20 KHz.This frequency is determined by R3536 connected to pin 15IC7520.
9.1.8 FET 7518 gate regulation
D6524 prevents pin 3 of IC7520 from becoming negative (thiswill destroy the IC) due to stray inductance in the gate part ofthe FET. The safety resistor R3525 limits the drive current tothe gate of the FET 7518
9.1.9 Over voltage protection of the secondary voltages
After start-up is the supply voltage Vpin 1 taken over by positivewinding 1 - 2, and so after start up Vpin 1 is a measuring pointfor the secondary output voltages. After start-up (via an internalswitch) this Vpin 1 is internally tapped (voltage divided) to avoltage which can be measured at pin 6 (so Vpin 6 is also ameasuring point for the secondary output voltages). As soon asthe voltage Vpin 6 > 2V5 the logic in IC 7520 will shut down theoutput at pin 3. This 2V5 threshold at Vpin 6 is equivalent to aVpin1 of 16V DC which is equivalent to a voltage at the supplyvoltage (VBATT of approx. 95V DC (normal operation) and102V DC (standby). After switching "off" because of overvoltage protection, the IC starts up again In case an overvoltage situation is sensed at the secondary output voltages,the SMPS will go in over voltage protection. In case the overvoltage situation remains present, the SMPS will give overvoltage protection slow-start, over voltage protection slow-start, etc. ( a very good audible hick-up mode).
9.1.10 Undervoltage protection of the secondary voltages
If the supply voltage Vpin 1 < 9V DC the output pulse at pin 3will be shut down. As soon as Vpin 1 < 7V5, the IC7520 will betotally shut "off". Vpin 1 of 9V DC is equivalent to a voltage at(VBATT of approx. 70V DC (normal operation) and 95VDC(standby). Vpin 1 of 7V5 is equivalent to a voltage at
9 Circuit diagram description30 L7.2E
(VBATT of approx. 55V DC (normal operation) and 65V DC(standby).
In case an under voltage situation is sensed at the secondaryoutput voltages, the SMPS will first switch "off" the pulse andthen switch "off" the complete IC 7520.
In case the IC 7520 is switched "off", the SMPS will switch "off".In case the under voltage situation remains present, the SMPSwill give under voltage protection, slow-start, under-voltageprotection, slow-start, etc. ( a very good audible hick-up mode).
9.1.11 Unload protection
In case the load goes down (e.g. the line deflection goes downbecause of standby mode or some failure in the line deflectioncircuit) this is detected by IC7520 via I-prim and secondaryoutput voltages sensing. In case the load decreases below acertain threshold the SMPS will switch in "reduced frequencymode" of 20 kHz (this threshold is determined by the voltagelevel at pin 12 IC7520);
In case of an unload situation the set will switch to "lowfrequency mode" or standby mode. Whether this unloadsituation of the SMPS is caused by the standby command or bya failure (e.g. in the line circuit),can only be determined byswitching on the set again which the remote control, in case ofstandby mode the TV will switch "on" again, in case of unloadsituation the set will not switch "on".
9.1.12 Overload (short-circuit) protection
If the secondary load becomes too high, I-prim becomes toohigh which is sensed by the current sense voltage Vpin 7. Thisvoltage Vpin 7 is not allowed to exceed 1V DC by IC 7520 andso gives current limiting.
As the I-prim is limited, the secondary output voltages will alsodrop and so supply voltage Vpin 1 will drop. As soon as Vpin1<9V DC the driving pulse at pin 3 will stop.
As a result of these 2 mechanism in case of an overload thesecondary voltages will drop very fast. This is called the fold-back mechanism, the fold-back point can be adjusted by pin 5IC7520 this point is adjusted to a maximum tolerable outputpower of 85W at 90V AC and 165W at 276VAC.
After this fold-back, the IC starts up again. In case the overloadsituation remains present, the SMPS will give fold back again,slow-start, fold-back, slow-start, etc.;
As a result in case of short-circuit (or overload) the TV will bein a very good audible hick-up mode.
9.1.13 Output voltages
• +VBATT (95V) used for the line output stage and the tuningsystem.
• 10V / 14V used for the audio amplifier.• 14V used for the horizontal synchronization circuit and as
input voltage for IC7541.• +5V (pin 9 of IC7541).used for the control circuit The 5V is
also available in the standby mode).• +8V (pin 8 of IC7541) used for the video processing. The
+8V output is determined by the voltage on pin 7 of IC7541 This voltage is adjusted via voltage divider 3552 and3554.
9.1.14 DC Output Voltages Protections
• +5V protection :When any overload for the +5V supplyoccurs (pin 1 of IC7541 < 6.5V) the protection circuit inIC7541 turns on. and shuts down the +5V supply. and also+8V supply.
• +8V protection : When any overload for the +8V supplyoccurs (pin 1 of IC7541 < 6.5V) the protection circuit inIC7541 turns on and shut down the output +8V supply. Ifthe voltage on pin 7 is < 2.4V the +8V will also shut down.
9.2 Single chip TV-processor IC7225 (TDA8374)
Introduction :
In this chip most of the video, audio and sync circuits areintegrated.
In the diagrams the IC is split up in next 5 parts (5A,5B,5C,5Dand 5E).
– IC7225-5A, video detector (see diagram A3).– IC7225-5B, source select en PAL demodulator (see
diagram A3).– IC7225-5C, video control (see diagram A3).– IC7225-5D, horizontal and vertical synchronization (see
diagram A2)– IC7225-5E, mono sound FM demodulator (see diagram
A5)
9.3 Micro computer (Diagram A4)
Two kinds of microprocessors are used, one with and onewithout teletext function The (C with teletext (IC7600) is drawnin the diagram with the outer pin numbering. In case of no TXTa (C (IC7601) is used with fewer pins. This (C is drawn in thediagrams with the internal pin numbering. In case of the (C withintegrated teletext function, the CVBS-TXT signal is fed to pin23. The TXT and OSD information are combined at pins 32-33-34.
9.4 The line output circuitry (see diagram A2)
Pin 40 IC 7225-5D delivers the drive signal for the line outputstage. Via TS7440 and TS7441 the drive signal is applied tothe line output transistor 7445 and line output transformer(LOT) 5445. The line output stage supplies the line deflectioncurrent. Via secondary windings of the LOT the followingsupply voltages are generated:
• EHT voltage (25kV)• Vg2 voltage• Focus voltage• Filament supply voltage (ff)• (160V for RGB amplifiers on the CRT panel• +5.5V for the control circuit and tuner supply• + 9V for the tuner supply• +13V for the control and vertical drive output circuit• -13V for the vertical drive output circuit
9.5 Frame output circuitry
IC 7401 (TDA9302) is used for the vertical deflection. This IC iscontrolled on pins 1 and 3 by the vertical drive signal deliveredby IC 7225-5D. The deflection current is generated on pin 5.The vertical fly-back voltage is generated on pin 3 of the IC.
9 Circuit diagram description 31L7.2E
9.6 Protections
General: In the set next protections are build in:
9.6.1 Fast discharge circuit.
TS7420 and TS7421 (see diagram A1) formed a fast dischargecircuit. When the voltage on the collector of TS7421is >6V thecircuit will switch off the horizontal drive immediately via pin 50IC7225-5D (see diagram A2).
9.6.2 CRT flash protection.
The BCI information is applied to pin 42 of IC7225-5D.(diagramA2) If due to a flash in the picture tube the voltage on pin 42 is>6V, the horizontal drive is switched off immediately. If thevoltage is again <6V the horizontal drive is switched on again.
9.6.3 EHT over voltage protection.
The BCI information is also applied to pin 50-IC7225-5D(diagram A2). First the BCI compensate vertical picture
amplitude variations due to beam current variations. Thecontrol range is between 1.2V and 2.8V. However if the voltageon pin 50 exceeds 3.9V the EHT over voltage protection isactivated and the horizontal drive is switched off.
9.6.4 +13V protection
Protection input pin 16 of IC7600 (see diagram A4). If this pinis connected to ground, the set is switched in protection. At thispin the +13V is monitored via the circuit 7655,7608. Theemitter of 7608 becomes "low" (0V7 lower than the basevoltage) if the +13V drops. This will force pin 16 of the (C "low"and will switches the set in protection.
9.6.5 +13V and -13V protection
Vertical deflection output IC7401(see diagram A2) is suppliedby +13V and -13V. When the current delivered by the +13V or13V is increasing to much will this result in a voltage drop of<6.5V.at pin 3 of the IC (VFL) . This voltage drop is applied topin 37-IC7600 (micro computer). The micro-computer willplace the set in the standby mode.
Figure 9-1
Vref
DEMAGNETIZATIONMANAGEMENT
CL 56532018/012080695
referenceblock
supply &initialisation block
OSCILLATOR
THERMALSHUTDOWN
PWMLATCH
Set
Reset
Dmax &SOFT-START
CONTROL
UVLO1
Vcc enable
IrefOVER
VOLTAGEMANAGEMENT
BUFFER
VC
OUTPUT VPIN 3
GND
2
3
4
116
8
9
10
15
STAND-BY(REDUCED
FREQUENCY)12
FOLDBACK
UVLO2 Vcc enable
OVERVOLTAGEPROTECTION
5
MC44603
18V
UVLO1
UVLO2
Vcc enableIrefVref
CURRENTSENSE
5 11
+
-AMP
7
Iref
Iref
Vdemag out
Vref Vcc
Vosc
Vcs out
DEMAGNETIZATIONDETECTION
SYNCHRONIZATIONINPUT VPIN 10
CT
RF ST-BY
RP ST-BY
FOLDBACKINPUT
CURRENTSENSE INPUT
VPIN 7
SOFT START (Css) /Dmax (RDmax)
VOLTAGE MODE CONTROL
VOLTAGEFEEDBACK
INPUT
Vref/2
E/A OUTPUT
VCC
Vosc prot
B
CD
A
BLOCK DIAGRAM MC44603P
Rref
13
14
Q
Verror
10 Direction for use32 L7.2E
10 Direction for use
10 Direction for use 33L7.2E
10 Direction for use34 L7.2E
10 Direction for use 35L7.2E
11 Abbreviations36 L7.2E
11 Abbreviations(R-Y)_OUT R-Y output from chroma demodulatoruC MicrocomputerAQUA Aquadag layer on the outside of the picture
tubeAV_MUTE Signal to mute the sound on the Audio-out
cinchAVL_AV2/AVL Switching signal from UP to the Auto Volume
leveller on the ITT on PanelB_TXT_OSD Blue TXT or OSD signal from (C to the video
controller IC7225-5CBASS Control signal for BASSBCI Beam Current informationBG/1_or_BG/0 K Monochrome TV system sound carrier +
5.5MHz (BG), Sound carrier + 6MHz(I), Soundcarrier + 6.5MHz(DK)
BL_TXT_OSD Fast blanking signal to IC7725-5C to displayOSD and TXT
BLACKSTR_SW Black stretch switchBS1 TV band selection 1 signalBS2 TV band selection 2 signalCHROMA_O/NTSC_SW Switch on signal for NTSC chroma oscillator
(3.575MHz)CHROMA_1/BG/L Switch on signal for BG/L chroma oscillator
(3.582MHz)CHROMA_1/STATUS Switch on signal for NTSC chroma oscillator
(3.579MHz)CHROMA_2/STATUS Signal to select the correct system in case of
trinormaCVBS_EXT1 CVBS external 1 input signalCVBS_EXT2 CVBS external 2 signalCVBS_IN CVBS internal 1 (from tuner)CVBS_OUT CVBS output signalCVBS_OUT_1 CVBS output signal 1CVBS_SOUND CVBS for inter carrier sound detectorCVBS_TXT CVBS for TXT processing in uCDISCHARGE To have a fast discharge after switching off
the setEAR EarthEEPROM Electrical Erasable Programmable Read Only
MemoryESD Electrical Static Dischargeff Filament (heater voltage) from LOT to the
picture tubeFL_A Filament voltage for CRTG_TXT_OSD Green TXT or OSD signal from the
microcomputer to IC7225-5CGND GroundGRD_LOT Ground of LOTHOR.FLYBACK Horizontal flyback pulse used for looking the
horizontal oscillator12C Digital Control bus of the microcomputerIF Intermediate frequency signal for sound
processingINT/EXT Switching signal for Internal or external audio +
video switchingL_EXT1 Audio left external 1LEFT_OUT Audio left outMOD_L_1N1 SCART I/P 1 in leftMOD_L_1N2 SCART I/P 2 in leftMOD_R_1N1 SCART I/P 1 in rightMOD_L_1N2 SCART I/P 2 in rightMONO/STROBE/BG_L Strobe signal for HEF 4094 on multi-mono
sound panelMONO_OUT Audio mono outNTSC NTSC colour systemPAL/SECAM PAL or SECAM colour systemR_TXT_OSD Blue TXT or OSD signal from the
microcomputer to the video controllerIC72255C
RAM Random Access MemoryRESET1 Reset signal for the uCRF_AGC Automatic gain control signal I for tunerRIGHT_OUT Audio right outROM Read Only MemorySAM Service Alignment ModeSANDCASTLE Sand castle signal from IC7225-5D to delay
line IC7255 and SECAM chrominancedecoder IC7241.
SCL Clock line of the 12C-busSDA Data line of the 12C-busSDM Service Default Mode; predefined mode for
faultfindingSECAM_REF SECAM referenceSID/STA/LL Sound identification / stereo available / France
system "L"SIF Sound IF signal for FM demodulatorSTANDBY Switching signal from microcomputer "low" for
standby (power supply will be switched tostand-by mode), "high" for normal operation
TREBLE Treble control signalV_TUNE Tuning voltage for tunerVFB Vertical flyback pulseVFL 50 Hz vertical flyback pulse used to inform the
microcomputer that flyback takes place. This isimportant for OSD and TXT
VG2 Voltage on grid 2 of the picture tubeVOLUME Control signal (from uC, but on DC level via RC
nework) for volume control of soundprocessing in sound panel
12 Spareparts list 37L7.2E
12 Spareparts listMain carrier [A1-A5]
Various
0024∆ 4822 267 31858 Con. 1P0011∆ 4822 265 20723 Con. 2P0022∆ 4822 267 10774 Con. 2P0055 4822 267 10775 Con. 2P0044 4822 267 10538 Con. 3P0088 4822 267 10542 Con. 4P0030 4822 267 10537 Con. 5PM9 4822 265 10422 Con. 9P (F-pin)M11 4822 267 10421 Con. 19P (F-pin)0231∆ 4822 267 60243 21P scart0232 4822 265 10392 2P Cinch0233 4822 267 10687 3P Cinch0020 4822 267 31014 Headphone socket0138∆ 4822 276 13603 Mains switch∆ 4822 492 70289 Spring fix. Ts∆ 4822 265 11253 Fuse holder
4822 492 70788 Spring fix. IC∆ 4822 492 62076
1000 4822 210 10812 VHF/UHF tuner1000 4822 210 10815 UHF tuner1002 4822 242 10743 OFWK6272K
(38.9MHz)1015 4822 242 10575 OFWJ1980M
(38.9MHz)1015 4822 242 70936 OFWJ1952
(38.9MHz)1015 4822 242 81388 OFWG1961M
(38.9MHz)1015 4822 242 81436 OFWK3953M
(38.9MHz)1015 4822 242 81737 OFWG1965M
(38.9MHz)1015 4822 242 81964 OFWG1984M
(38.9MHz)1060 4822 276 13775 Switch1061 4822 276 13775 Switch1062 4822 276 13775 Switch1063 4822 276 13775 Switch1102 4822 242 10314 Filter 5,5MHz1102 4822 242 10362 Filter 6,0MHz1104 4822 242 10314 Filter 5,5MHz1104∆ 4822 242 10316 Filter 6,5MHz1104 4822 242 10362 Filter 6,0MHz1204 4822 242 10434 X-tal 18,432MHz1206 4822 242 81301 Filter 6,5MHz1206 4822 242 81572 Filter 6,0MHz1207 4822 242 81572 Filter 6,0MHz1207 4822 242 81712 Filter 5.5/5.74MHz1209 4822 242 10875 X-tal 40MHz1275 4822 242 10356 X-tal 4,433619MHz1277 4822 242 10355 X-tal 3,579545MHz1500 4822 070 34002 Fuse 4A/desc>1501 4822 242 81423 OFWL9453M
(38.9MHz)1560∆ 4822 071 51002 Fuse 1A1560∆ 4822 071 56301 Fuse 630MA1571∆ 4822 071 51602 Fuse 1.6A1670 4822 218 11573 RC rec. GP1U28QP1681 4822 242 10694 X-tal 12MHz
2008∆ 4822 126 13838 100nF 50V 20%2010∆ 4822 124 40196 220µF 20% 16V2010 4822 124 41545 220µF 20% 16V2016∆ 4822 124 40433 47µF 20% 25V2042 5322 122 32531 100pF 5% 50V2043 5322 122 32531 100pF 5% 50V2104∆ 4822 124 41579 10µF 20% 50V2105∆ 4822 124 41579 10µF 20% 50V2108 4822 124 40248 10µF 20% 63V2108∆ 4822 124 41579 10µF 20% 50V2110∆ 4822 124 41579 10µF 20% 50V2115 4822 124 40255 100µF 20% 63V2115 4822 124 81029 100µF 20% 25V2116 4822 124 40255 100µF 20% 63V2116 4822 124 81029 100µF 20% 25V2117 4822 126 13695 82pF 1% 63V2120 4822 126 10334 470pF 10% 50V2121 4822 126 10334 470pF 10% 50V2124 5322 122 32268 470pF 10% 50V2125 5322 122 32268 470pF 10% 50V2128∆ 4822 122 32627 2.7nF 10% 50V2128 5322 126 10465 3.9nF 10% 50V2130 5322 126 10511 1nF 5% 50V2144 4822 124 40242 1µF 20% 63V2145 5322 122 31863 330pF 5% 50V2161∆ 4822 124 41579 10µF 20% 50V2163 4822 126 13461 680pF 10% 50V2164 4822 126 13461 680pF 10% 50V2166 5322 122 32268 470pF 10% 50V2167 4822 126 13461 680pF 10% 50V2168 5322 122 32268 470pF 10% 50V
2169 5322 122 32268 470pF 10% 50V2170 4822 126 13461 680pF 10% 50V2171 4822 126 13461 680pF 10% 50V2180 5322 122 32268 470pF 10% 50V2198 4822 126 13512 330pF 10% 50V2199 4822 126 13512 330pF 10% 50V2200∆ 4822 126 13838 100nF 50V 20%2201∆ 5322 122 32654 22nF 10% 63V2202 4822 124 40242 1µF 20% 63V2202 4822 124 41576 2.2µF 20% 50V2203 4822 126 14087 100nF 10% 63V2205 4822 124 11566 47µF 20% 50V2205 4822 124 41751 47µF 20% 50V2209∆ 4822 126 13838 100nF 50V 20%2210 5322 122 32658 22pF 5% 50V2211 4822 124 41576 2.2µF 20% 50V2212∆ 5322 122 32654 22nF 10% 63V2213 4822 126 13061 220nF 20% 25V2213 4822 126 13692 47pF 1% 63V2214 4822 122 33926 12pF 50V2214∆ 4822 126 13838 100nF 50V 20%2215 4822 126 13061 220nF 20% 25V2215 4822 126 13692 47pF 1% 63V2216 4822 126 13473 220nF 80-20% 50V2217 4822 124 41584 100µF 20% 10V2217 4822 126 13473 220nF 80-20% 50V2218 5322 122 32967 5.6pF 10% 63V2220 4822 126 13473 220nF 80-20% 50V2221 4822 126 13473 220nF 80-20% 50V2221∆ 4822 126 13838 100nF 50V 20%2222∆ 4822 126 13838 100nF 50V 20%2224 4822 123 14024 1000µF 16V 20%2224∆ 4822 126 13838 100nF 50V 20%2225 5322 122 32448 10pF 5% 50V2226 4822 124 40242 1µF 20% 63V2226 5322 122 32448 10pF 5% 50V2227∆ 4822 126 13838 100nF 50V 20%2228∆ 4822 124 41579 10µF 20% 50V2229∆ 4822 124 41579 10µF 20% 50V2230∆ 4822 124 41579 10µF 20% 50V2231∆ 4822 126 13838 100nF 50V 20%2234∆ 4822 124 41579 10µF 20% 50V2235 5322 126 10511 1nF 5% 50V2236 5322 126 10511 1nF 5% 50V2237 4822 126 13561 220nF 10% 16V2238 4822 126 13561 220nF 10% 16V2240 4822 126 14087 100nF 10% 63V2241∆ 4822 124 40246 4.7µF 20% 63V2241 4822 126 13561 220nF 10% 16V2242∆ 4822 126 13838 100nF 50V 20%2242∆ 5322 122 32654 22nF 10% 63V2243 5322 126 10511 1nF 5% 50V2244 5322 126 10511 1nF 5% 50V2245 4822 124 41751 47µF 20% 50V2246 5322 122 32448 10pF 5% 50V2247 5322 126 10511 1nF 5% 50V2248 4822 124 81151 22µF 50V2248 5322 126 10511 1nF 5% 50V2249 5322 126 10511 1nF 5% 50V2250 4822 124 41751 47µF 20% 50V2251 4822 122 33216 270pF 5% 50V2251 5322 122 32448 10pF 5% 50V2252∆ 4822 124 41579 10µF 20% 50V2252∆ 5322 122 32654 22nF 10% 63V2253∆ 5322 126 10223 4.7nF 10% 63V2254∆ 5322 122 32654 22nF 10% 63V2254∆ 5322 126 10223 4.7nF 10% 63V2255∆ 4822 124 41579 10µF 20% 50V2256 4822 126 13561 220nF 10% 16V2257 4822 124 22263 220µF 20% 25V2260∆ 4822 124 40246 4.7µF 20% 63V2260 4822 124 40255 100µF 20% 63V2260∆ 4822 124 41579 10µF 20% 50V2261 4822 124 40255 100µF 20% 63V2261∆ 5322 122 32654 22nF 10% 63V2262∆ 4822 124 41579 10µF 20% 50V2263∆ 4822 124 41579 10µF 20% 50V2264 4822 124 81029 100µF 20% 25V2265 4822 126 13561 220nF 10% 16V2266 4822 126 13561 220nF 10% 16V2267 4822 126 13561 220nF 10% 16V2268 4822 121 42868 220nF 5% 50V2271 5322 126 10511 1nF 5% 50V2272 5322 122 33446 3.3nF 10% 63V2272 5322 126 10511 1nF 5% 50V2273 4822 126 13561 220nF 10% 16V2273 4822 126 14087 100nF 10% 63V2274∆ 4822 126 13838 100nF 50V 20%2275 4822 126 13486 15pF 2% 63V2276 4822 126 13694 68pF 1% 63V2277 4822 126 13486 15pF 2% 63V2277 4822 126 13694 68pF 1% 63V2278 5322 126 10511 1nF 5% 50V2279 5322 126 10511 1nF 5% 50V2280 5322 126 10511 1nF 5% 50V2281 5322 126 10511 1nF 5% 50V2283 4822 126 13751 47nF 10% 63V2284 4822 126 13751 47nF 10% 63V2285 4822 126 13751 47nF 10% 63V2403 4822 124 40242 1µF 20% 63V2406 4822 122 33127 2.2nF 10% 63V2409∆ 5322 126 10223 4.7nF 10% 63V2410 5322 121 42386 100nF 5% 63V2414 4822 121 42868 220nF 5% 50V
2420 5322 121 42386 100nF 5% 63V2421∆ 4822 124 41579 10µF 20% 50V2422 5322 121 42386 100nF 5% 63V2430∆ 4822 124 41579 10µF 20% 50V2434∆ 4822 126 13838 100nF 50V 20%2436 5322 126 10511 1nF 5% 50V2437 5322 126 10511 1nF 5% 50V2440 4822 121 70654 2N210% 50V2442 4822 126 13473 220nF 80-20% 50V2443 4822 124 80791 470µF 16V 20%2444 4822 121 51319 1µF 10% 63V2445∆ 4822 121 70617 10nF 5% 1.6KV2445∆ 4822 121 70649 9.1nF 5% 1.6KV2447∆ 4822 126 14078 220pF 10% 2KV2448 4822 121 43368 47µF 160V2450 4822 121 10507 250V 470nF 5%2450∆ 4822 121 10518 250V 390nF 5%2451 4822 121 51319 1µF 10% 63V2452 4822 124 80195 470µF 20% 10V2453 4822 124 80791 470µF 16V 20%2456 4822 124 80069 1µF 20% 160V2460 4822 121 51385 33nF 20% 100V2461 4822 126 11131 18pF 5% 50V2461 4822 126 13645 27P 50V2462 4822 126 13866 4.7nF 10% 1KV2462 4822 126 14079 2.2nF 10% 1KV2463 4822 124 40255 100µF 20% 63V2464∆ 4822 126 13838 100nF 50V 20%2465 5322 126 10184 680P 5% 50V.2466∆ 4822 122 33172 390pF 5% 50V2467 5322 126 10184 680P 5% 50V.2468∆ 4822 126 13838 100nF 50V 20%2469 4822 126 14237 470pF 10% R 2KV2470 4822 124 11845 22µF 20% 250V2471 4822 122 30043 10nF 80% 63V2476∆ 4822 122 33172 390pF 5% 50V2480 4822 123 14024 1000µF 16V 20%2485 5322 126 10184 680P 5% 50V.2487 5322 126 10184 680P 5% 50V.2500∆ 4822 126 13589 470nF 275V2501 4822 121 10686 4.7nF 10% 50V2502∆ 4822 124 40246 4.7µF 20% 63V2502∆ 4822 126 12793 2.2nF 10% 2KV2503∆ 4822 124 40246 4.7µF 20% 63V2504 4822 121 42868 220nF 5% 50V2504∆ 4822 126 12793 2.2nF 10% 2KV2505 4822 124 41576 2.2µF 20% 50V2505∆ 4822 126 12793 2.2nF 10% 2KV2506∆ 4822 124 41579 10µF 20% 50V2507∆ 4822 124 41579 10µF 20% 50V2508∆ 4822 124 41556 100µF 20% 385V2508 4822 124 41576 2.2µF 20% 50V2509∆ 4822 124 41579 10µF 20% 50V2509 4822 126 13517 820pF 10% 1000V2510∆ 4822 124 41579 10µF 20% 50V2510 4822 126 13517 820pF 10% 1000V2511∆ 4822 124 41579 10µF 20% 50V2512∆ 4822 121 43996 33nF 5% 50V2514 4822 121 51472 39nF 5% 250V2515∆ 4822 121 43823 470nF 5% 50V2516 4822 121 43925 2.2nF 5% 50V2517 4822 124 81029 100µF 20% 25V2517∆ 5322 122 34123 1nF 10% 50V2518 4822 121 42868 220nF 5% 50V2518∆ 4822 122 50116 470pF 10% 1KV2519 5322 121 42386 100nF 5% 63V2520 4822 124 22263 220µF 20% 25V2520 4822 126 13695 82pF 1% 63V2521 4822 121 10686 4.7nF 10% 50V2521 4822 122 33127 2.2nF 10% 63V2522 4822 122 33127 2.2nF 10% 63V2522∆ 4822 124 41579 10µF 20% 50V2523 4822 124 81029 100µF 20% 25V2524 4822 121 42868 220nF 5% 50V2524 5322 122 32268 470pF 10% 50V2529∆ 4822 126 13838 100nF 50V 20%2530 4822 124 40242 1µF 20% 63V2531 4822 121 10673 560pF 1% 630V2532 5322 126 10511 1nF 5% 50V2533 5322 122 31863 330pF 5% 50V2534 5322 126 10511 1nF 5% 50V2537 5322 121 42386 100nF 5% 63V2540∆ 4822 124 40433 47µF 20% 25V2541 4822 121 10686 4.7nF 10% 50V2545∆ 4822 126 14037 2.2nF 20% 250V2550∆ 4822 122 50116 470pF 10% 1KV2551 4822 124 42336 47µF 20% 160V2553 5322 122 31866 6.8nF 10% 63V2554 4822 126 13061 220nF 20% 25V2561 4822 124 80707 2200µF 20% 25V2562 4822 124 80707 2200µF 20% 25V2563 4822 124 41097 220µF 20% 16V2563 4822 124 42403 220µF 20% 16V2571 4822 124 80707 2200µF 20% 25V2572 5322 122 32531 100pF 5% 50V2601 4822 126 13061 220nF 20% 25V2602∆ 4822 124 40433 47µF 20% 25V2607∆ 5322 122 34123 1nF 10% 50V2608∆ 5322 122 34123 1nF 10% 50V2610 5322 121 42386 100nF 5% 63V2611∆ 4822 124 41579 10µF 20% 50V2615 4822 121 42868 220nF 5% 50V2621 4822 126 13695 82pF 1% 63V2622 4822 126 13695 82pF 1% 63V
2623∆ 5322 122 32654 22nF 10% 63V2630∆ 4822 124 41579 10µF 20% 50V2650 5322 126 10184 680P 5% 50V.2655 4822 124 41643 100µF 20% 16V2660 5322 126 10184 680P 5% 50V.2661 5322 126 10184 680P 5% 50V.2664∆ 4822 126 13838 100nF 50V 20%2666∆ 4822 126 13838 100nF 50V 20%2670 5322 122 32531 100pF 5% 50V2671 4822 124 81029 100µF 20% 25V2674 5322 122 32531 100pF 5% 50V2680 4822 126 13061 220nF 20% 25V2682 4822 126 13693 56pF 1% 63V2683 4822 126 13693 56pF 1% 63V2684 4822 126 13061 220nF 20% 25V2685 4822 122 33127 2.2nF 10% 63V2690 5322 122 32531 100pF 5% 50V2691 5322 122 32531 100pF 5% 50V2692 5322 122 32531 100pF 5% 50V2693 5322 122 32531 100pF 5% 50V2695∆ 4822 126 13838 100nF 50V 20%
3000 4822 051 10102 1k 2% 0.25W3001 4822 116 83864 10k 5% 0.5W3002 4822 116 83864 10k 5% 0.5W3004 4822 051 10102 1k 2% 0.25W3005 4822 051 20223 22k 5% 0.1W3006 4822 051 20223 22k 5% 0.1W3007∆ 4822 050 22701 270Ω 1% 0.6W3008 4822 051 10102 1k 2% 0.25W3009 4822 051 10102 1k 2% 0.25W3010∆ 4822 052 10478 4Ω7 5% 0.33W3016 4822 116 52238 12k 5% 0.5W3040∆ 4822 051 20109 10Ω 5% 0.1W3040 4822 051 20391 390Ω 5% 0.1W3100∆ 4822 051 20472 4k7 5% 0.1W3101 4822 117 10833 10k 1% 0.1W3104 4822 116 52283 4k7 5% 0.5W3105 4822 051 20223 22k 5% 0.1W3106∆ 4822 051 20472 4k7 5% 0.1W3107∆ 4822 051 20472 4k7 5% 0.1W3108 4822 117 11449 2k2 1% 0.1W3114 4822 116 52257 22k 5% 0.5W3115 4822 116 52257 22k 5% 0.5W3121 4822 116 83868 150Ω 5% 0.5W3122 4822 116 83868 150Ω 5% 0.5W3123 4822 116 52201 75Ω 5% 0.5W3124∆ 4822 051 20101 100Ω 5% 0.1W3125 4822 116 52201 75Ω 5% 0.5W3126 4822 051 20331 330Ω 5% 0.1W3127 4822 116 52201 75Ω 5% 0.5W3128 4822 116 52201 75Ω 5% 0.5W3129 4822 051 20331 330Ω 5% 0.1W3130 4822 051 20331 330Ω 5% 0.1W3141 4822 050 11002 1k 1% 0.4W3144 4822 051 10102 1k 2% 0.25W3160 4822 116 52257 22k 5% 0.5W3161 4822 116 80175 4k7 5% 0.5W3162 4822 116 52257 22k 5% 0.5W3163 4822 116 80175 4k7 5% 0.5W3164 4822 116 52201 75Ω 5% 0.5W3165∆ 4822 051 20229 22Ω 5% 0.1W3166 4822 051 20689 68Ω 5% 0.1W3167 4822 117 11449 2k2 1% 0.1W3168∆ 4822 051 20101 100Ω 5% 0.1W3169 4822 051 10102 1k 2% 0.25W3170∆ 4822 051 20471 470Ω 5% 0.1W3178 4822 051 20394 390k 5% 0.1W3179 4822 051 20331 330Ω 5% 0.1W3179 4822 117 11503 220Ω 1% 0.1W3180 4822 051 20681 680Ω 5% 0.1W3181 4822 051 10102 1k 2% 0.25W3181∆ 4822 051 20471 470Ω 5% 0.1W3185 4822 116 80175 4k7 5% 0.5W3186 4822 116 80175 4k7 5% 0.5W3187 4822 116 52201 75Ω 5% 0.5W3188∆ 4822 050 12201 220Ω 1% 0.4W3192 4822 116 83881 390Ω 5% 0.5W3193 4822 116 83881 390Ω 5% 0.5W3194 4822 116 83961 6k8 5%3195 4822 116 80175 4k7 5% 0.5W3201 4822 051 20391 390Ω 5% 0.1W3203 4822 116 52257 22k 5% 0.5W3204 4822 051 20822 8k2 5% 0.1W3205∆ 4822 050 12201 220Ω 1% 0.4W3205 4822 116 83872 220Ω 5% 0.5W3206 4822 051 20399 39Ω 5% 0.1W3206 4822 051 20829 82Ω 5% 0.1W3207 4822 116 52231 820Ω 5% 0.5W3208∆ 4822 051 20472 4k7 5% 0.1W3209 4822 051 10102 1k 2% 0.25W3210∆ 4822 051 20471 470Ω 5% 0.1W3211∆ 4822 051 20471 470Ω 5% 0.1W3214 4822 051 10102 1k 2% 0.25W3215 4822 117 10353 150Ω 1% 0.1W3216 4822 051 20391 390Ω 5% 0.1W3216 4822 116 52175 100Ω 5% 0.5W3217 4822 051 20391 390Ω 5% 0.1W3217 4822 116 52175 100Ω 5% 0.5W3217 4822 117 10353 150Ω 1% 0.1W3217 4822 117 11503 220Ω 1% 0.1W
12 Spareparts list38 L7.2E
3218 4822 117 10833 10k 1% 0.1W3218 4822 117 11507 6k8 1% 0.1W3220 4822 116 52175 100Ω 5% 0.5W3221 4822 116 52175 100Ω 5% 0.5W3223 4822 116 83864 10k 5% 0.5W3224 4822 051 20564 560k 5% 0.1W3224 4822 117 10834 47k 1% 0.1W3225 4822 051 20569 56Ω 5% 0.1W3227 4822 051 20569 56Ω 5% 0.1W3229 4822 051 20561 560Ω 5% 0.1W3229 4822 051 20569 56Ω 5% 0.1W3230 4822 117 10834 47k 1% 0.1W3233 4822 117 11449 2k2 1% 0.1W3234∆ 4822 052 10228 2Ω2 5% 0.33W3234 4822 117 10834 47k 1% 0.1W3235 4822 117 10834 47k 1% 0.1W3238 4822 051 20561 560Ω 5% 0.1W3239 4822 117 11449 2k2 1% 0.1W3240 4822 051 20333 33k 5% 0.1W3242 4822 051 20333 33k 5% 0.1W3243 4822 117 11437 8k2 1% 0.1W3244 4822 117 11154 1k 1% 0.1W3246 4822 116 83864 10k 5% 0.5W3247∆ 4822 052 10109 10Ω 5% 0.33W3248∆ 4822 051 20471 470Ω 5% 0.1W3250 4822 116 52256 2k2 5% 0.5W3250 4822 117 10833 10k 1% 0.1W3250∆ 4822 117 11846 10k 5% 1/16W3251 4822 051 20681 680Ω 5% 0.1W3251 4822 116 83864 10k 5% 0.5W3252∆ 4822 051 20109 10Ω 5% 0.1W3252∆ 4822 051 20332 3k3 5% 0.1W3253∆ 4822 051 20109 10Ω 5% 0.1W3253∆ 4822 051 20153 15k 5% 0.1W3254 4822 116 83864 10k 5% 0.5W3254 4822 117 11503 220Ω 1% 0.1W3265 4822 051 20122 1k2 5% 0.1W3265 4822 051 20561 560Ω 5% 0.1W3266 4822 050 11002 1k 1% 0.4W3267 4822 116 52264 27k 5% 0.5W3267 4822 116 83884 47k 5% 0.5W3273 4822 051 20104 100k 5% 0.1W3280 4822 051 20561 560Ω 5% 0.1W3401∆ 4822 050 24708 4Ω7 1% 0.6W3401 5322 116 53564 3Ω3 5% 0.5W3402∆ 4822 050 24708 4Ω7 1% 0.6W3402 5322 116 53564 3Ω3 5% 0.5W3403∆ 4822 051 20153 15k 5% 0.1W3404 4822 050 22202 2k2 1% 0.6W3406 4822 116 83872 220Ω 5% 0.5W3407 4822 116 83872 220Ω 5% 0.5W3410 4822 051 20393 39k 5% 0.1W3411 4822 050 22202 2k2 1% 0.6W3412 4822 117 10833 10k 1% 0.1W3413∆ 4822 052 10158 1Ω5 5% 0.33W3415 4822 051 10102 1k 2% 0.25W3417 4822 051 10102 1k 2% 0.25W3418 4822 116 52234 100k 5% 0.5W3420 4822 051 20223 22k 5% 0.1W3421 4822 117 11149 82k 1% 0.1W3422 4822 051 20223 22k 5% 0.1W3423 4822 051 10102 1k 2% 0.25W3430∆ 4822 052 10478 4Ω7 5% 0.33W3431 4822 052 10152 1k5 5% 0.33W3431∆ 4822 052 10472 4k7 5% 0.33W3432 4822 052 10152 1k5 5% 0.33W3432∆ 4822 052 10472 4k7 5% 0.33W3433 4822 116 52271 33k 5% 0.5W3434 4822 117 10833 10k 1% 0.1W3435 4822 116 83878 270k 5% 0.5W3436 4822 050 11002 1k 1% 0.4W3437 4822 050 11002 1k 1% 0.4W3440 4822 051 10102 1k 2% 0.25W3441 4822 051 20124 120k 5% 0.1W3442 4822 116 52186 22Ω 5% 0.5W3443 4822 051 20561 560Ω 5% 0.1W3444 4822 117 12819 10k 5% 3W3445 4822 117 12624 10Ω 5% 2W3446 4822 050 21502 1k5 1% 0.6W3447 4822 050 11002 1k 1% 0.4W3448 4822 117 12822 4Ω7 5% 5W3449∆ 4822 052 11108 1Ω 5% 0.5W3450∆ 4822 052 10278 2Ω7 5% 0.33W3451∆ 4822 052 10228 2Ω2 5% 0.33W3456 4822 116 52297 68k 5% 0.5W3457 4822 116 52297 68k 5% 0.5W3458 4822 116 52297 68k 5% 0.5W3459∆ 4822 050 21202 1k2 1% 0.6W3460∆ 4822 050 21503 15k 1% 0.6W3460 4822 116 52251 18k 5% 0.5W3461 4822 051 20273 27k 5% 0.1W3462∆ 4822 117 12513 4k7 5% 3W3470∆ 4822 052 11478 4Ω7 5% 0.5W3471 4822 053 11399 39Ω 5% 2W3480∆ 4822 052 10109 10Ω 5% 0.33W3481 4822 117 12821 220Ω 5% 1W3490 4822 051 20105 1M 5% 0.1W3491 4822 117 12955 2k7 1% 0.1W 08053500 4822 116 21228 VDR 430V-710V3501 4822 116 83864 10k 5% 0.5W3501 4822 117 12181 470Ω 20% 0.5W3502 4822 116 52256 2k2 5% 0.5W3503 4822 116 52256 2k2 5% 0.5W3504∆ 4822 116 40137 PTC 36Ω 365V
3504 4822 116 52256 2k2 5% 0.5W3505 4822 116 83864 10k 5% 0.5W3505 4822 252 60151 470Ω3506 4822 116 52175 100Ω 5% 0.5W3506 4822 117 12822 4Ω7 5% 5W3507 4822 117 12654 100Ω 5% 5W3508 4822 116 52176 10Ω 5% 0.5W3509 4822 116 52257 22k 5% 0.5W3510 4822 116 52244 15k 5% 0.5W3510 4822 117 12647 33k 5% 3W3511 4822 116 52283 4k7 5% 0.5W3512 4822 050 11002 1k 1% 0.4W3512∆ 4822 051 20153 15k 5% 0.1W3513 4822 051 20184 180k 5% 0.1W3513 4822 116 52291 56k 5% 0.5W3514 4822 116 52234 100k 5% 0.5W3515 4822 116 52256 2k2 5% 0.5W3516 4822 116 52243 1k5 5% 0.5W3517 4822 116 52243 1k5 5% 0.5W3517 4822 117 10833 10k 1% 0.1W3518 4822 116 52256 2k2 5% 0.5W3518 4822 117 10422 0.33Ω 5% 3W3519 4822 116 52234 100k 5% 0.5W3520 4822 116 52291 56k 5% 0.5W3520 4822 117 11149 82k 1% 0.1W3521 4822 050 11002 1k 1% 0.4W3521 4822 116 52219 330Ω 5% 0.5W3522 4822 116 52244 15k 5% 0.5W3523 4822 050 11002 1k 1% 0.4W3524 4822 050 11002 1k 1% 0.4W3524∆ 4822 051 20008 0Ω jumper3525∆ 4822 052 10229 22Ω 5% 0.33W3525 4822 116 83876 270Ω 5% 0.5W3526 4822 050 11002 1k 1% 0.4W3527 4822 116 52289 5k6 5% 0.5W3528 4822 116 52238 12k 5% 0.5W3528 4822 116 83868 150Ω 5% 0.5W3529∆ 4822 050 24708 4Ω7 1% 0.6W3529 4822 116 83883 470Ω 5% 0.5W3530 4822 116 52276 3k9 5% 0.5W3530 4822 116 83961 6k8 5%3531 4822 116 52249 1k8 5% 0.5W3532 4822 051 20562 5k6 5% 0.1W3532 4822 116 52249 1k8 5% 0.5W3533 4822 116 83872 220Ω 5% 0.5W3534 4822 051 20224 220k 5% 0.1W3534 4822 116 52228 680Ω 5% 0.5W3536 4822 051 20393 39k 5% 0.1W3536 4822 116 83961 6k8 5%3537 4822 116 52269 3k3 5% 0.5W3537 4822 117 10833 10k 1% 0.1W3538 4822 116 52234 100k 5% 0.5W3539 4822 116 52251 18k 5% 0.5W3539 4822 116 52276 3k9 5% 0.5W3540 4822 101 11189 4.7k 30%LIN 0.1W3540 4822 116 52256 2k2 5% 0.5W3540 4822 116 52257 22k 5% 0.5W3541 4822 117 12653 47Ω 5% 2W3542∆ 4822 053 21475 4M7 5% 0.5W3545∆ 4822 053 21475 4M7 5% 0.5W3546∆ 4822 053 21475 4M7 5% 0.5W3552∆ 4822 051 20332 3k3 5% 0.1W3553∆ 4822 051 20121 120Ω 5% 0.1W3554 4822 117 11139 1k5 1% 0.1W3565 4822 117 10833 10k 1% 0.1W3570∆ 4822 051 20109 10Ω 5% 0.1W3601 4822 116 90885 8k2X63602 4822 117 12168 2k2 X 63603 4822 117 12167 8k2 X 123607 4822 051 20822 8k2 5% 0.1W3608 4822 116 52234 100k 5% 0.5W3610 4822 117 10833 10k 1% 0.1W3612 4822 051 20224 220k 5% 0.1W3613 4822 116 83868 150Ω 5% 0.5W3614∆ 4822 051 20153 15k 5% 0.1W3615 4822 116 83864 10k 5% 0.5W3616 4822 051 20223 22k 5% 0.1W3617 4822 116 52238 12k 5% 0.5W3618 4822 116 52244 15k 5% 0.5W3621∆ 4822 051 20101 100Ω 5% 0.1W3622∆ 4822 051 20101 100Ω 5% 0.1W3623 4822 117 10833 10k 1% 0.1W3624∆ 4822 051 20101 100Ω 5% 0.1W3625∆ 4822 051 20101 100Ω 5% 0.1W3628∆ 4822 051 20101 100Ω 5% 0.1W3629 4822 117 11449 2k2 1% 0.1W3630 4822 051 10102 1k 2% 0.25W3630 4822 117 11139 1k5 1% 0.1W3632 4822 117 10833 10k 1% 0.1W3633 4822 116 83864 10k 5% 0.5W3634 4822 116 52283 4k7 5% 0.5W3636 4822 116 83864 10k 5% 0.5W3637 4822 116 52256 2k2 5% 0.5W3640 4822 117 10833 10k 1% 0.1W3641 4822 117 10833 10k 1% 0.1W3653 4822 051 20105 1M 5% 0.1W3654 4822 051 20822 8k2 5% 0.1W3655 4822 116 52175 100Ω 5% 0.5W3656∆ 4822 051 20471 470Ω 5% 0.1W3657 4822 116 52175 100Ω 5% 0.5W3660 4822 051 10102 1k 2% 0.25W3661 4822 051 10102 1k 2% 0.25W3662 4822 051 10102 1k 2% 0.25W3663 4822 051 20331 330Ω 5% 0.1W
3664∆ 4822 051 20008 0Ω jumper3666 4822 051 20273 27k 5% 0.1W3667 4822 051 20122 1k2 5% 0.1W3670 4822 116 52175 100Ω 5% 0.5W3671∆ 4822 051 20332 3k3 5% 0.1W3674 4822 116 52283 4k7 5% 0.5W3681 4822 116 83864 10k 5% 0.5W3684 4822 117 10833 10k 1% 0.1W3685 4822 116 52297 68k 5% 0.5W3686 4822 051 20333 33k 5% 0.1W3690 4822 116 52249 1k8 5% 0.5W3693 4822 117 11503 220Ω 1% 0.1W3694 4822 051 20182 1k8 5% 0.1W3695 4822 051 20182 1k8 5% 0.1W3696 4822 051 20182 1k8 5% 0.1W3698 4822 051 10102 1k 2% 0.25W4xxx 4822 051 10008 0Ω 5% 0.25W4xxx 4822 051 20008 0Ω 5% 0.25W
5010 4822 157 11533 390µH 10%5010 4822 157 11615 220µH5010 4822 157 63065 0.68µH5128 4822 157 53575 3.3µH5201∆ 4822 157 53941 100µH5203 4822 157 50961 22µH5203 4822 157 53139 4.7µH5204∆ 4822 157 51462 10µH5205∆ 4822 157 51462 10µH5206 4822 153 20251 18µH 10%5206∆ 4822 156 21721 2.2µH5206 4822 157 53634 5.6µH 10%5207∆ 4822 157 51462 10µH5260 4822 157 11534 Coil 78MHz5260 4822 157 11607 Coil 38.9MHz5441∆ 4822 157 11076 Linearity coil5441 4822 157 11539 Linearity cor. coil5442 4822 157 53139 4.7µH5445∆ 4822 140 10634 LOT for 17" CRT5445∆ 4822 140 10637 LOT for 21" CRT5451 4822 157 11167 47µH 5%5456 4822 156 20915 33µH5457 4822 156 20915 33µH5458 4822 156 20915 33µH5500∆ 4822 157 11399 30mH5501 4822 152 20678 33µH5516 4822 157 60171 Bead coil 100MHz5540 4822 157 52007 4U7 10%5545∆ 4822 146 10866 Mains trafo for 21"5545∆ 4822 146 10931 Mains trafo for 17"5550 4822 157 60171 Bead coil100MHz5551 4822 157 71157 27µH 5%5553 5322 157 53016 10µH5570 4822 157 60171 Bead coil 100MHz5571∆ 4822 157 51462 10µH5573 4822 157 60171 Bead coil 100MHz5600∆ 4822 157 50963 2.2µH5601∆ 4822 158 10604 6.8 µH5602 4822 157 53001 27µH 10%5603 4822 157 62767 8.2µH5605 4822 157 62767 8.2µH5620 4822 157 60123 6.8µH
6001∆ 4822 130 34173 BZX79-B5V66002∆ 4822 130 34173 BZX79-B5V66003 5322 130 34955 BA4826016∆ 4822 130 30621 1N41486100∆ 4822 130 30621 1N41486100 4822 130 80888 BA6826101∆ 4822 130 30621 1N41486109 4822 130 34382 BZX79-B8V26110 4822 130 34382 BZX79-B8V26111 4822 130 34382 BZX79-B8V26204∆ 4822 130 30621 1N41486205∆ 4822 130 34173 BZX79-B5V66206∆ 4822 130 30621 1N41486207∆ 4822 130 30621 1N41486254 4822 130 34233 BZX79-B5V16265∆ 4822 130 30621 1N41486420∆ 4822 130 30621 1N41486440∆ 4822 130 80791 BYV28-200/206441 5322 130 31938 BYV27-2006443 4822 130 42488 BYD33D6444 4822 130 34145 BZX79-B396445∆ 4822 130 32896 BYD33M6449 4822 130 42488 BYD33D6454 4822 130 42488 BYD33D6455 4822 130 42606 BYD33J6456 4822 130 42606 BYD33J6461∆ 4822 130 30621 1N41486464∆ 4822 130 30621 1N41486468 4822 130 42488 BYD33D6470 4822 130 42606 BYD33J6480∆ 4822 130 61219 BZX79-B106481 4822 130 42488 BYD33D6501∆ 4822 130 30621 1N41486502∆ 4822 130 30621 1N41486502∆ 4822 130 31933 1N50616503∆ 4822 130 30621 1N4148
6503∆ 4822 130 31933 1N50616504∆ 4822 130 30621 1N41486504∆ 4822 130 31933 1N50616505∆ 4822 130 30621 1N41486505∆ 4822 130 31933 1N50616510∆ 4822 130 34499 BZX79-B206537 4822 130 30842 BAV216540 4822 130 30842 BAV216550 4822 130 10807 BYM36C6560 4822 130 10256 EGP20DL-53006570 4822 130 10256 EGP20DL-53006600 4822 130 34233 BZX79-B5V16610 4822 130 82037 HZT336653 4822 130 30862 BZX79-B9V16661∆ 4822 130 30621 1N41486663 4822 130 10859 TLDR54006690∆ 4822 130 31983 BAT856691∆ 4822 130 31983 BAT856692∆ 4822 130 31983 BAT856693∆ 4822 130 31983 BAT85
7001 5322 130 41983 BC858B7002 5322 130 41983 BC858B7003 4822 130 60511 BC847B7100 4822 130 60511 BC847B7101 4822 130 60511 BC847B7115 4822 130 60511 BC847B7118 4822 130 60511 BC847B7202 4822 209 13099 MSP3400C/C67203 4822 209 71873 TA7668BP7204 4822 130 60511 BC847B7204 4822 209 13646 TDA7057AQ/N27209 4822 130 60511 BC847B7214 4822 130 40855 BC3377214 4822 130 60511 BC847B7215 4822 130 60511 BC847B7216 4822 130 60511 BC847B7220 4822 130 60511 BC847B7225 4822 209 15828 TDA8347C/N37225 4822 209 16326 TDA8374/N37241 4822 209 90129 TDA8395/N27255 4822 209 12635 TDA4665/V47265 5322 130 60508 BC857B7401 4822 209 13176 TDA9302H7420 5322 130 60508 BC857B7421 4822 130 60511 BC847B7440 4822 130 60511 BC847B7441 5322 130 44647 BC3687445∆ 4822 130 10206 BUT11AX7480 5322 130 44647 BC3687501 4822 209 31555 TDA9830/V17502 4822 209 90462 TDA7056B/N17503 4822 130 40937 BC548B7504 4822 130 40937 BC548B7505 4822 130 40937 BC548B7506∆ 4822 130 44197 BC558B7507∆ 4822 130 44197 BC558B7508 4822 130 40937 BC548B7509 4822 130 40937 BC548B7510 4822 130 40937 BC548B7511 4822 130 40937 BC548B7512 4822 130 40937 BC548B7513 4822 130 40937 BC548B7514 4822 130 40937 BC548B7515 4822 130 40937 BC548B7518∆ 4822 130 10806 STP6NA60FI7520 4822 209 15684 MC44603AP7541 4822 209 15829 TDA81397600 4822 209 16325 SAA5297PS/0447600 4822 209 16332 SAA5297PS/0577600 4822 209 16333 SAA5297PS/0487600 4822 209 16435 SAA5297PS/0607603 4822 130 60511 BC847B7608 4822 130 60511 BC847B7610∆ 4822 209 73852 PMBT23697620 4822 816 10769 ST24W04B67655 4822 130 60511 BC847B7681 4822 130 60511 BC847B7682 4822 130 60511 BC847B7682∆ 5322 130 41982 BC848B
CRT panel [B]
Various
CRT 4822 212 11703 CRTPanel 17”CRT 4822 212 11704 CRT Panel 21”∆ 4822 255 70293 CRT socket 17"∆ 4822 255 70261 CRT socket 21”
2313 4822 122 33575 220pF 5% 50V2313 5322 122 33538 150pF 2% 63V2323 4822 122 33216 270pF 5% 50V2323 4822 122 33575 220pF 5% 50V2333 4822 122 33216 270pF 5% 50V
12 Spareparts list 39L7.2E
2333 4822 126 10326 180pF 5% 63V2341 4822 121 41689 100nF 10% 250V2342∆ 4822 124 11508 22µF 250V 20%2373 4822 121 41926 33nF 5% 630V
3311 4822 050 11002 1k 1% 0.4W3313 4822 051 20479 47Ω 5% 0.1W3314 4822 117 12818 18k 5% 3W3315∆ 4822 052 10331 330Ω 5% 0.33W3316∆ 4822 052 10221 220Ω 5% 0.33W3317 4822 117 11896 1k5 20% 0.5W3321 4822 051 10102 1k 2% 0.25W3322∆ 4822 051 20471 470Ω 5% 0.1W3322 4822 117 11452 430Ω 1% 0.1W3323 4822 051 20479 47Ω 5% 0.1W3324 4822 117 12818 18k 5% 3W3325∆ 4822 052 10331 330Ω 5% 0.33W3326∆ 4822 052 10221 220Ω 5% 0.33W3327 4822 117 11896 1k5 20% 0.5W3331 4822 051 10102 1k 2% 0.25W3332∆ 4822 051 20471 470Ω 5% 0.1W3332 4822 117 11452 430Ω 1% 0.1W3333 4822 051 20479 47Ω 5% 0.1W3334 4822 117 12818 18k 5% 3W3335∆ 4822 052 10331 330Ω 5% 0.33W3336∆ 4822 052 10221 220Ω 5% 0.33W3337 4822 117 11896 1k5 20% 0.5W3341∆ 4822 052 11109 10Ω 5% 0.5W3342 4822 116 83874 220k 5% 0.5W3347∆ 4822 052 10102 1k 5% 0.33W3371∆ 4822 052 10108 1Ω 5% 0.33W3371∆ 4822 052 10278 2Ω7 5% 0.33W3372∆ 4822 052 10108 1Ω 5% 0.33W3372∆ 4822 052 10278 2Ω7 5% 0.33W3374 4822 117 11896 1k5 20% 0.5W3312∆ 4822 051 20471 470Ω 5% 0.1W3312 4822 117 11452 430Ω 1% 0.1W
5370 4822 157 50961 22µH5370 4822 157 70468 56µH
6311 4822 130 30842 BAV216321 4822 130 30842 BAV216331∆ 4822 130 30621 1N41486332 4822 130 30842 BAV216341∆ 4822 130 30621 1N41486347 4822 130 34382 BZX79-B8V2
7301 4822 130 41782 BF4227302 4822 130 41782 BF4227303 4822 130 41782 BF4227304 4822 130 41646 BF4237305 4822 130 41782 BF4227306 4822 130 41646 BF4237307 4822 130 41782 BF4227308 4822 130 41646 BF4237309 4822 130 41782 BF422
Mono panel [C]
Various
1020 4822 212 11558 Audio panel Mono +AM sound
1020 4822 212 11559 Audio panel Mono noAM sound
4822 267 10755 Con 19P4822 267 10537 Con 5P4822 492 70788 Spring fix. IC
1501 4822 242 81423 Filter OFWL9453M(38.9MHz)
2501 4822 121 10686 4.7nF 10% 50V2502∆ 4822 124 40246 4.7µF 20% 63V2503∆ 4822 124 40246 4.7µF 20% 63V2504 4822 121 42868 220nF 5% 50V2505 4822 124 41576 2.2µF 20% 50V2506∆ 4822 124 41579 10µF 20% 50V2507∆ 4822 124 41579 10µF 20% 50V2508 4822 124 41576 2.2µF 20% 50V2509∆ 4822 124 41579 10µF 20% 50V2510∆ 4822 124 41579 10µF 20% 50V2511∆ 4822 124 41579 10µF 20% 50V2512∆ 4822 121 43996 33nF 5% 50V2514 4822 121 51472 39nF 5% 250V2515∆ 4822 121 43823 470nF 5% 50V
2516 4822 121 43925 2.2nF 5% 50V2517 4822 124 81029 100µF 20% 25V2518 4822 121 42868 220nF 5% 50V2519 5322 121 42386 100nF 5% 63V2520 4822 124 22263 220µF 20% 25V2521 4822 121 10686 4.7nF 10% 50V2522∆ 4822 124 41579 10µF 20% 50V2523 4822 124 81029 100µF 20% 25V2524 4822 121 42868 220nF 5% 50V
3501 4822 116 83864 10k 5% 0.5W3502 4822 116 52256 2k2 5% 0.5W3503 4822 116 52256 2k2 5% 0.5W3504 4822 116 52256 2k2 5% 0.5W3505 4822 116 83864 10k 5% 0.5W3506 4822 116 52175 100Ω 5% 0.5W3508 4822 116 52176 10Ω 5% 0.5W3509 4822 116 52257 22k 5% 0.5W3510 4822 116 52244 15k 5% 0.5W3511 4822 116 52283 4k7 5% 0.5W3512 4822 050 11002 1k 1% 0.4W3513 4822 116 52291 56k 5% 0.5W3514 4822 116 52234 100k 5% 0.5W3515 4822 116 52256 2k2 5% 0.5W3516 4822 116 52243 1k5 5% 0.5W3517 4822 116 52243 1k5 5% 0.5W3518 4822 116 52256 2k2 5% 0.5W3519 4822 116 52234 100k 5% 0.5W3520 4822 116 52291 56k 5% 0.5W3521 4822 050 11002 1k 1% 0.4W3522 4822 116 52244 15k 5% 0.5W3523 4822 050 11002 1k 1% 0.4W3524 4822 050 11002 1k 1% 0.4W3525 4822 116 83876 270Ω 5% 0.5W3526 4822 050 11002 1k 1% 0.4W3527 4822 116 52289 5k6 5% 0.5W3528 4822 116 52238 12k 5% 0.5W3529 4822 116 83883 470Ω 5% 0.5W3530 4822 116 83961 6k8 5%3531 4822 116 52249 1k8 5% 0.5W3532 4822 116 52249 1k8 5% 0.5W3533 4822 116 83872 220Ω 5% 0.5W3534 4822 116 52228 680Ω 5% 0.5W3536 4822 116 83961 6k8 5%3537 4822 116 52269 3k3 5% 0.5W3539 4822 116 52276 3k9 5% 0.5W3540 4822 116 52256 2k2 5% 0.5W3540 4822 116 52257 22k 5% 0.5W
5501 4822 152 20678 33µH
6501∆ 4822 130 30621 1N41486502∆ 4822 130 30621 1N41486503∆ 4822 130 30621 1N41486504∆ 4822 130 30621 1N41486505∆ 4822 130 30621 1N4148
7501 4822 209 31555 TDA9830/V17502 4822 209 90462 TDA7056B/N17503 4822 130 40937 BC548B7504 4822 130 40937 BC548B7505 4822 130 40937 BC548B7506∆ 4822 130 44197 BC558B7507∆ 4822 130 44197 BC558B7508 4822 130 40937 BC548B7509 4822 130 40937 BC548B7510 4822 130 40937 BC548B7511 4822 130 40937 BC548B7512 4822 130 40937 BC548B7513 4822 130 40937 BC548B7514 4822 130 40937 BC548B7515 4822 130 40937 BC548B
Nicam +2CS panel [D]
Various
1020 4822 212 11561 Nicam panel + AMSound
1020 4822 212 11562 Nicam panel no AMsound
1020 4822 212 11563 2CS stereo panel4822 267 10755 Con. 19P4822 267 10537 Con. 5P
∆ 4822 492 62076 Spring fix IC1202 4822 242 10688 OFWK9456M
38.9MHZ1203 4822 242 81436 OFWK3953M
38.9MHz
1204 4822 242 10434 X-tal 18,432MHz
2201 4822 126 13693 56pF 1% 63V2202∆ 4822 126 13838 100nF 50V 20%2203 4822 124 41576 2.2µF 20% 50V2206 4822 126 13473 220nF 80-20% 50V2207 4822 126 13751 47nF 10% 63V2208 4822 124 41576 2.2µF 20% 50V2210 5322 122 32658 22pF 5% 50V2213 4822 126 13692 47pF 1% 63V2214 4822 122 33926 12pF 50V2215 4822 126 13692 47pF 1% 63V2216 4822 126 13473 220nF 80-20% 50V2217 4822 126 13473 220nF 80-20% 50V2220 4822 126 13473 220nF 80-20% 50V2221 4822 126 13473 220nF 80-20% 50V2224∆ 4822 126 13838 100nF 50V 20%2225 5322 122 32448 10pF 5% 50V2226 5322 122 32448 10pF 5% 50V2227∆ 4822 126 13838 100nF 50V 20%2228∆ 4822 124 41579 10µF 20% 50V2229∆ 4822 124 41579 10µF 20% 50V2230∆ 4822 124 41579 10µF 20% 50V2231∆ 4822 126 13838 100nF 50V 20%2234∆ 4822 124 41579 10µF 20% 50V2235 5322 126 10511 1nF 5% 50V2236 5322 126 10511 1nF 5% 50V2237 4822 126 13561 220nF 10% 16V2238 4822 126 13561 220nF 10% 16V2241∆ 4822 124 40246 4.7µF 20% 63V2242∆ 4822 126 13838 100nF 50V 20%2243 5322 126 10511 1nF 5% 50V2244 5322 126 10511 1nF 5% 50V2245 4822 124 41751 47µF 20% 50V2246 5322 122 32448 10pF 5% 50V2247 5322 126 10511 1nF 5% 50V2248 4822 124 81151 22µF 50V2249 5322 126 10511 1nF 5% 50V2250 4822 124 41751 47µF 20% 50V2251 5322 122 32448 10pF 5% 50V2252∆ 4822 124 41579 10µF 20% 50V2253∆ 5322 126 10223 4.7nF 10% 63V2254∆ 5322 126 10223 4.7nF 10% 63V2255∆ 4822 124 41579 10µF 20% 50V2256 4822 126 13561 220nF 10% 16V2257 4822 124 22263 220µF 20% 25V2260 4822 124 40255 100µF 20% 63V2261 4822 124 40255 100µF 20% 63V2262∆ 4822 124 41579 10µF 20% 50V2263∆ 4822 124 41579 10µF 20% 50V2264 4822 124 81029 100µF 20% 25V2265 4822 126 13561 220nF 10% 16V2266 4822 126 13561 220nF 10% 16V2267 4822 126 13561 220nF 10% 16V2268 4822 121 42868 220nF 5% 50V2271 5322 126 10511 1nF 5% 50V2272 5322 126 10511 1nF 5% 50V2273 4822 126 13561 220nF 10% 16V2274∆ 4822 126 13838 100nF 50V 20%2276 4822 126 13694 68pF 1% 63V2277 4822 126 13694 68pF 1% 63V2278 5322 126 10511 1nF 5% 50V2279 5322 126 10511 1nF 5% 50V2280 5322 126 10511 1nF 5% 50V2281 5322 126 10511 1nF 5% 50V
3201 4822 117 11449 2k2 1% 0.1W3202 4822 117 10833 10k 1% 0.1W3203 4822 117 11449 2k2 1% 0.1W3207 4822 117 10833 10k 1% 0.1W3211 4822 117 11449 2k2 1% 0.1W3213 4822 116 83864 10k 5% 0.5W3214 4822 051 20562 5k6 5% 0.1W3215∆ 4822 051 20101 100Ω 5% 0.1W3216 4822 116 52175 100Ω 5% 0.5W3217 4822 116 52175 100Ω 5% 0.5W3222 4822 051 20562 5k6 5% 0.1W3224 4822 117 10834 47k 1% 0.1W3229 4822 051 20561 560Ω 5% 0.1W3230 4822 117 10834 47k 1% 0.1W3233 4822 117 11449 2k2 1% 0.1W3234 4822 117 10834 47k 1% 0.1W3235 4822 117 10834 47k 1% 0.1W3238 4822 051 20561 560Ω 5% 0.1W3239 4822 117 11449 2k2 1% 0.1W3240 4822 051 20333 33k 5% 0.1W3242 4822 051 20333 33k 5% 0.1W3243 4822 117 11437 8k2 1% 0.1W3244 4822 117 11154 1k 1% 0.1W3246 4822 116 83864 10k 5% 0.5W3247∆ 4822 052 10109 10Ω 5% 0.33W3248∆ 4822 051 20471 470Ω 5% 0.1W3249 4822 116 83864 10k 5% 0.5W3250 4822 116 52175 100Ω 5% 0.5W3250 4822 116 52256 2k2 5% 0.5W3250 4822 116 83884 47k 5% 0.5W3251 4822 051 20681 680Ω 5% 0.1W3252∆ 4822 051 20332 3k3 5% 0.1W
3253∆ 4822 051 20153 15k 5% 0.1W3254 4822 116 83864 10k 5% 0.5W4xxx 4822 051 10008 0Ω 5% 0.25W (1206)4xxx 4822 051 20008 0Ω 5% 0.25W
5201 4822 157 10586 2.2µH 10%5202 4822 157 11014 Coil 78MHz5203 4822 157 53139 4.7µH5204∆ 4822 157 51462 10µH5205∆ 4822 157 51462 10µH5206 4822 153 20251 18µH 10%5207∆ 4822 157 51462 10µH
6201∆ 4822 130 30621 1N41486202∆ 4822 130 30621 1N41486204∆ 4822 130 30621 1N41486205∆ 4822 130 34173 BZX79-B5V66206∆ 4822 130 30621 1N41486207∆ 4822 130 30621 1N4148
7201 4822 209 16441 TDA9810/V17202 4822 209 13099 MSP3400C/C67202 4822 209 15832 MSP3410D-PP-B47203 4822 209 71873 TA7668BP7204 4822 209 13646 TDA7057AQ/N27205 4822 130 60511 BC847B7207 4822 130 60511 BC847B7208 5322 130 41983 BC858B7209 4822 130 60511 BC847B7210 4822 130 60511 BC847B7214 4822 130 40855 BC3377215 4822 130 60511 BC847B7216 4822 130 60511 BC847B
