Philips 7538 Service Manual Download Page 1

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Color Television

Chassis

32R5

7538

Service

ServiceManual

Contents

6. Block Diagrams and Testpoints

7. Electrical Diagrams and PWB's

Diagram PWB

MAIN CHASSIS SECTION 1

MAIN CHASSIS SECTION 2

MAIN CHASSIS SECTION 3

MAIN CHASSIS SECTION 4

MAIN CHASSIS SECTION 5

MAIN CHASSIS SECTION 6

MAIN CHASSIS SECTION 7

CRT PANEL APT145 , APT 146

KEYBOARD(ASW116)& IR RECVR(ALR016)

PRO-VIDEO JACK PANEL AVJ177

DIODE MODULATOR PANEL AWR006/007

INTERCONNECT WIIRING DIAGRAM

R5 MAIN CHASSIS PCB (TOP VIEW)

MAIN CHASSIS PCB (BTM VIEW)

CRT PCB APT146

CRT PCB APT145

PRO-VIDEO JACK PANEL PCB AVJ177

DIODE MODULATOR PCB AWR006/007

8. Adjustments

9. Circuit Description

10. Spare Parts List

All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system or transmitted, in any form or by means, electronic, mechanical,
photographic, or otherwise without the prior permission of Philips.

Published by Philips Consumer Electronics

Subject to modification

2005 Sep 27

Summary of Contents for 7538

Page 1: ... MODULATOR PANEL AWR006 007 11 18 INTERCONNECT WIIRING DIAGRAM 12 R5 MAIN CHASSIS PCB TOP VIEW 13 MAIN CHASSIS PCB BTM VIEW 14 CRT PCB APT146 15 CRT PCB APT145 16 PRO VIDEO JACK PANEL PCB AVJ177 17 DIODE MODULATOR PCB AWR006 007 18 8 Adjustments 00 9 Circuit Description 00 10 Spare Parts List 00 Copyright 2001 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part o...

Page 2: ...Accordingly a servicer who uses a service procedure or tool which is not recommended by Philips must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected Hereafter throughout this manual Philips Consumer Electronics Company will be referred to as Philips WARNING Critical components having special safety ...

Page 3: ...s list and enclosed within a broken line where several critical components are grouped in one area along with the safety symbol on the schematic diagrams and or exploded views 7 When servicing any unit always use a separate isolation transformer for the chassis Failure to use a separate isolation transformer may expose you to possible shock hazard and may cause damage to servicing instruments 8 Ma...

Page 4: ...tomer s safety 5 When troubleshooting and making test measurements in a receiver with a problem of excessive high voltage reduce the line voltage by means of a Variac to bring the HV into acceptable limits while troubleshooting Do not operate the chassis longer than necessary to locate the cause of the excessive HV 6 New picture tubes are specifically designed to withstand higher operating voltage...

Page 5: ...rechecked before returning it to the customer 5 Repeat the above procedure with the ac plug reversed Note An ac adapter is necessary when a polarized plug is used Do not defeat the polarizing feature of the plug OR With the instrument completely reassembled plug the AC line cord directly into a 120V AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a me...

Page 6: ...ips approved type PARTS REPLACEMENT Many electrical and mechanical parts in Philips television sets have special safety related characteristics These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage wattage etc The use of a substitute part which does not have the sam...

Page 7: ...laced by a C003 but not by an A001 In addition a C003 can be used in place of either a B002 or an A001 The last two digits of the identification number indicate running changes When a particular identification number is initially assigned it will be A001 Any change which does not significantly change the operational characteristics or the external wiring configuration is a running change within th...

Page 8: ...30005 Varactor Tuner Typical Model TS2552 25R504 00APT146 CRT Module 00EMR545 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 003403130005 Varactor Tuner Typical Model CT2526 25R505 00APT146 CRT Module 00EMR555 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 003403130005 Varactor Tuner Typical Model TS2582C1 27R501 00APT146 CRT Module 00EMR587 Main Chassis 00ALR016 IR Assembly 00ASW116 Key...

Page 9: ...T146 CRT Module 00EMR563 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 003403130005 Varactor Tuner Typical Model LS2961 27R508 00APT146 CRT Module 00EMR573 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 003403130005 Varactor Tuner Typical Model 27TP82 27R509 00APT146 CRT Module 00EMR583 Main Chassis 00ASW116 Keyboard 00ALR016 IR Assembly 003403130005 Varactor Tuner Typical Model LP2970C...

Page 10: ...3403130005 Varactor Tuner Typical Model TS3262C1 32R504 00APT146 CRT Module 00EMR542 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 00AWR007 Diode Modulator 36 003403130005 Varactor Tuner Typical Model FS3262 32R505 00APT146 CRT Module 00EMR592 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 00AVJ177 Jack Panel 35 00AWR007 Diode Modulator 36 003403130005 Varactor Tuner Typical Model PA503...

Page 11: ... Tuner Typical Model TS2552 25R504 00APT146 CRT Module 00EMR545 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 003403130005 Varactor Tuner Typical Model CT2526 25R505 00APT146 CRT Module 00EMR555 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 003403130005 Varactor Tuner Typical Model TS2582C1 27R501 00APT146 CRT Module 00EMR587 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 00340313...

Page 12: ...563 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 003403130005 Varactor Tuner Typical Model LS2961 27R508 00APT146 CRT Module 00EMR573 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 003403130005 Varactor Tuner Typical Model 27TP82 27R509 00APT146 CRT Module 00EMR583 Main Chassis 00ASW116 Keyboard 00ALR016 IR Assembly 003403130005 Varactor Tuner Typical Model LP2970C1 27R510 00APT146 CRT...

Page 13: ...05 Varactor Tuner Typical Model TS3262C1 32R504 00APT146 CRT Module 00EMR542 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 00AWR007 Diode Modulator 36 003403130005 Varactor Tuner Typical Model FS3262 32R505 00APT146 CRT Module 00EMR592 Main Chassis 00ALR016 IR Assembly 00ASW116 Keyboard 00AVJ177 Jack Panel 35 00AWR007 Diode Modulator 36 003403130005 Varactor Tuner Typical Model PA5032C1 32R5...

Page 14: ...3C101 Canada 27 27R502 FP3272A101 32 32R506 FP3274B101 32 32R506 FS3262A101 32 32R504 FS3270B101 32 32R507 XS3272C101 Canada 32 32R503 TP3287C101 32 32R502 TP3262C101 32 32R503 TS3262C101 32 32R503 TS3272C101 32 32R502 PHILIPS PA5020C101 20 20R501 27T502C101 27 27R501 27T502C102 27 27R512 LP2970C101 Latin 29 27R509 LP2971C101 Latin 29 27R508 LS2940C101 Latin 29 27R506 LS2960C101 Latin 29 27R511 LS...

Page 15: ...assis 4835 219 28255 00EMR587 A002 Main Chassis 4835 219 28256 00EMR590 A002 Main Chassis 4835 219 28257 00EMR592 A002 Main Chassis 4835 219 28258 00EMR597 A002 Main Chassis 4835 219 28259 REMOTE TRANSMITTER REPLACEMENT LIST Description Part Number H145DA BA02 4835 219 17599 M145DA BA02 4835 219 17609 M145DB BA02 4835 219 17591 H175CD BA02 4835 219 17604 M175CB BA02 4835 219 17606 M175CD BA02 4835...

Page 16: ...Cord 4835 432 97579 Back 4835 410 37244 Button Asm 4835 256 97264 Clip Anode Lead 4835 450 67214 Crystal S 4835 131 27123 CRT A68AGN32X 1106 1108 S 4835 131 27134 CRT A68AGN32X02 1107 S 4835 150 27008 Convergence Purity Asm 1106 1108 S 4835 150 17098 Deflection Yoke 1106 1108 4835 535 27006 Yoke Wedges 3 used S 4835 157 97058 Degaussing Coil 4835 256 97265 Degaussing Coil Holder 4835 430 67134 Fro...

Page 17: ...102 S 4835 150 27008 Convergence Purity Asm S 4835 150 17116 Deflection Yoke 4835 535 27006 Yoke Wedges 3 used S 4835 157 97077 Degaussing Coil 4835 256 97265 Degaussing Coil Holder 4835 430 57165 Front 4835 450 67202 Lens IR 4835 459 17522 Nameplate 4835 459 17519 Overlay Jack Panel 4835 432 17748 Jack Panel Plastic 4835 240 37002 Speaker 3 2 used 4835 138 17047 Battery f Transmitter 1 5V 001B 72...

Page 18: ...01 B102 B103 27 S 4835 321 17079 AC Cord 4835 432 97582 Back 4835 410 97027 Buttons 4835 256 97264 Clip Anode Lead 4835 450 67218 Crystal S 4835 131 27123 CRT A68AGN32X B101 B103 S 4835 131 27134 CRT A68AGN32XO2 B102 S 4835 150 27008 Convergence Purity Asm B101 B103 S 4835 150 17098 Deflection Yoke B101 B103 4835 535 27006 Yoke Wedges 3 used S 4835 157 97058 Degaussing Coil 4835 256 97265 Degaussi...

Page 19: ...il 4835 256 97265 Degaussing Coil Holder 4835 430 67134 Front 4835 459 17522 Nameplate 4835 459 17524 Overlay 4835 240 37022 Speaker 2 25X5 2 used 4835 138 17047 Battery f Transmitter 1 5V 001B 721 9E001 Owner s Manual 001B 721 9E001 Owner s Manual CC3262A101 A103 32 S 4835 321 17079 AC Cord 4835 432 97583 Back 4835 410 97027 Buttons 4835 256 97264 Clip Anode Lead 4835 450 67218 Crystal S 4835 131...

Page 20: ...32 17748 Jack Panel Plastic 4835 240 37002 Speaker 3 2 used 4835 138 17001 Battery f Transmitter AAA 001B 730 2E001 Owner s Manual 25TS72C101 C103 25 S 4835 321 17079 AC Cord 4835 432 97505 Back 4835 410 97024 Buttons 4835 256 97264 Clip Anode Lead 4835 450 67203 Crystal S 4835 131 27091 CRT A63AFW42X C101 S 4835 131 27127 CRT A63AFW36X C103 S 4835 150 27008 Convergence Purity Asm S 4835 150 17116...

Page 21: ... Degaussing Coil 4835 256 97265 Degaussing Coil Holder 4835 430 57174 Front 4835 459 17534 Nameplate 4835 459 17524 Overlay 4835 432 17748 Jack Panel Plastic 4835 240 37022 Speaker 3 2 used 4835 138 17012 Battery f Transmitter AA 001B 720 8E001 Owner s Manual TP2526 C101 C102 25 S 4835 321 17079 AC Cord S 4835 432 97505 Back S 4835 410 97024 Buttons 4835 256 97264 Clip Anode Lead 4835 450 67203 Cr...

Page 22: ... 4835 150 17116 Deflection Yoke 4835 535 27006 Yoke Wedges 3 used S 4835 157 97077 Degaussing Coil 4835 256 97265 Degaussing Coil Holder 4835 430 57163 Front 4835 459 17517 Nameplate 4835 459 17524 Overlay 4835 432 17748 Jack Panel Plastic 4835 240 37002 Speaker 3 2 used 4835 138 17012 Battery f Transmitter AA 001B 730 3E002 Owner s Manual FS2762A101 A102 A103 27 S 4835 321 17079 AC Cord 4835 432 ...

Page 23: ... S 4835 150 17098 Deflection Yoke B101 B103 4835 535 27006 Yoke Wedges 3 used S 4835 157 97058 Degaussing Coil 4835 256 97265 Degaussing Coil Holder 4835 432 67216 Front Grille Asm 4835 459 17514 Nameplate 4835 459 17524 Overlay 4835 240 37024 Speaker 3X5 2 used 4835 138 17047 Battery f Transmitter 1 5V 001B 724 5E001 Owner s Manual FS2770B101 B102 B103 27 S 4835 321 17079 AC Cord 4835 432 97585 B...

Page 24: ...4 S 4835 150 17113 Deflection Yoke C102 4835 535 27006 Yoke Wedges 3 used S 4835 157 97058 Degaussing Coll 4835 256 97265 Degaussing Coil Holder 4835 430 67134 Front 4835 459 17517 Nameplate 4835 459 17524 Overlay 4835 240 37022 Speaker 3 2 used 4835 138 17012 Battery f Transmitter AA 001B 722 8E001 Owner s Manual 27TS73C101 C102 C103 C104 C105 27 S 4835 321 17079 AC Cord 4835 432 97579 Back 4835 ...

Page 25: ...ck 4835 410 37244 Button Asm 4835 256 97264 Clip Anode Lead 4835 450 67214 Crystal S 4835 131 27123 CRT A68AGN32X C101 C103 S 4835 131 27134 CRT A68AGN32XO2 C102 S 4835 150 27008 Converg Purity Asm C101 C103 S 4835 150 17098 Deflection Yoke C101 C103 4835 535 27006 Yoke Wedges 3 used C101 C103 S 4835 157 97058 Degaussing Coll 4835 256 97265 Degaussing Coil Holder 4835 430 67126 Front 4835 459 1751...

Page 26: ... Transmitter AA 001B 720 8E001 Owner s Manual XS2773C101 C102 C103 C104 C105 27 S 4835 321 17079 AC Cord 4835 432 97579 Back 4835 432 17667 Buttons 4835 256 97264 Clip Anode Lead 4835 450 67214 Crystal S 4835 131 27119 CRT A68KRO88X C102 C105 S 4835 131 27123 CRT A68AGN32X C101 C104 S 4835 131 27127 CRT A68AGN32XO2 C103 S 4835 150 27008 Converg Purity Asm C101 C102 C104 C105 S 4835 150 17103 Defle...

Page 27: ...59 17519 Overlay Jack Panel 4835 459 17526 Overlay 4835 240 27007 Speaker 2 25X5 2 used 4835 138 17047 Battery f Transmifter 1 5V 001B 737 6E001 Owner s Manual FP3272A101 A102 32 S 4835 321 17079 AC Cord 4835 432 97583 Back 4835 410 97027 Buttons 4835 256 97264 Clip Anode Lead 4835 450 67218 Crystal S 4835 131 27106 CRT A80EFF272X53 S 4835 157 97052 Degaussing Coil 4835 256 97265 Degaussing Coll H...

Page 28: ...27 Buttons 4835 256 97264 Clip Anode Lead 4835 450 67218 Crystal S 4835 131 27106 CRT A80EFF272X53 C101 C103 S 4835 157 97052 Degaussing Coll S 4835 256 97265 Degaussing Coil Holder 4835 430 67119 Front 4835 450 67200 Lens IR 4835 459 17517 Nameplate 4835 459 17519 Overlay Jack Panel 4835 240 27007 Speaker 2 25X5 2 used 4835 138 17047 Battery f Transmitter 1 5V 001B 721 6E001 Owner s Manual 001B 7...

Page 29: ...4835 459 47058 Speaker Grill Left 4835 125 97019 Filter Cap Res 4835 430 37094 Front 4835 459 17515 Nameplate 4835 240 27025 Speaker 2x3 5 2 used 001B 730 5E001 Owner s Manual 25PS82C101 C102 25 S 4835 321 17079 AC Cord 4835 432 97505 Back 4835 410 37233 Button Asm 4835 256 97264 Clip Anode Lead 4835 410 37233 Crystal S 4835 131 27091 CRT A63AFW42X C101 S 4835 131 27127 CRT A63AFW36X C102 S 4835 1...

Page 30: ...27006 Yoke Wedges 3 used S 4835 157 97058 Degaussing Coil 4835 256 97265 Degaussing Coil Holder 4835 432 67216 Front Grille Asm 4835 459 17515 Nameplate 4835 459 17524 Overlay 4835 240 37024 Speaker 3X5 2 used 4835 138 17047 Battery f Transmitter 1 5V 001B 733 0E001 Owner s Manual 001B 733 0F001 Owner s Manual 27PS75C101 C102 C103 C104 C105 27 S 4835 321 17079 AC Cord 4835 432 97579 Back 4835 432 ...

Page 31: ...37245 Button Asm 4835 256 97264 Clip Anode Lead 4835 450 67209 Crystal S 4835 131 27138 CRT A68AGN82X C101 C103 S 4835 131 27135 CRT A68AGN32X32 C102 S 4835 150 27008 Convergence Purity Asm C101 C103 S 4835 150 17098 Deflection Yoke C101 Cl03 4835 535 27006 Yoke Wedges 3 used S 4835 157 97065 Degaussing Coil 4835 256 97265 Degaussing Coil Holder 4853 430 67145 Front 4835 432 67221 Grille Asm 4835 ...

Page 32: ...017 Speaker 2 25X5 2 used 4835 138 17012 Battery f Transmitter AA 001B 724 2S001 Owner s Manual PA5027C101 C102 27 4835 432 97579 Back 4835 410 37244 Button Asm 4835 256 97264 Clip Anode Lead 4835 450 67214 Crystal S 4835 131 27122 CRT A68AFZ42X S 4835 150 27008 Convergence Purity Asm S 4835 150 17102 Deflection Yoke 4835 535 27006 Yoke Wedges 3 used S 4835 157 97058 Degaussing Coil 4835 256 97265...

Page 33: ...A02 M175DA BA02 4835 432 37084 M175DB BA02 4835 432 37085 T214AG GA03 T225AG MA02 4835 432 37085 T225AG PH02 MAIN CHASSIS SCHEMATIC NOTES UNLESS OTHERWISE SPECIFIED 1 ALL VOLTAGES AND WAVEFORMS WERE TAKEN UNDER THE FOLLOWING CONDITIONS LINE VOLTAGE MAINTAINED AT 120VAC 60HZ VIA AN ISOLATION TRANSFORMER CUSTOMER CONTROLS SET AS FOLLOWS CUSTOMER CONTROLS SET TO MIDRANGE 2 VOLTAGES WITHOUT BRACKETS A...

Page 34: ... VOLTAGE WATTAGE AND TOLERANCE RATINGS RESISTORS AND CAPACITORS SEE THE ELECTRICAL REPLACEMENT PARTS LIST PIN NUMBERS WITHIN CIRCLES ARE USED IN THE R5 CHASSIS 13 INDICATES A PCEC REPLACEMENT PART NUMBER ONLY WAVEFORM NOTES 1 ALL WAVEFORM PHOTOS WERE TAKEN UNDER THE CONDITIONS AS STATED IN STEPS I OF THE MAIN CHASSIS SCHEMATIC NOTES 2 SWEEP TIME CM SETTINGS ARE SHOWN BELOW PHOTOS IN THE CALIBRATED...

Page 35: ...es Yes Yes 1C EMR532 32 No No Yes No Yes No No 06 EMR535 25 No No Yes No Yes No No 0E EMR537 27 No No Yes No No No No 06 EMR542 32 No No Yes No No Yes Yes 1E EMR543 27 No No Yes Yes No No No 20 EMR545 25 No No Yes No No No No 06 EMR547 27 No Yes Yes No Yes Yes Yes 1F EMR553 27 Yes No Yes No No Yes Yes 1A EMR555 25 Yes No Yes No No Yes Yes 07 EMR557 27 No No Yes No No No No 23 EMR562 32 Yes Yes Yes...

Page 36: ... or loosely couple the antenna to observe a snowy picture 2 Set the R F AGC delay R206 J 3 to its fully clockwise CW position 3 Slowly turn R206 counterclockwise CCW to a point slightly beyond the point of minimum snow NOTE Do not turn the control any further as it may result in an overloaded picture on the face of the CRT caused by a strong station signal IF AFT Alignment 1 Ensure the set is in t...

Page 37: ...the Degaussing Coil at least six feet before disconnecting it from it s power source CONVERGENCE AND PURITY ADJUSTMENT PROCEDURE Pre Convergence adjustments Perform Degauss procedure first 1 Place the multi pole Purity and Convergence Assembly with the 2 Y pole Purity Rings directly in the gap between the G2 and G3 Focus Grids As shown in Figure 2 2 Connect a Center Cross pattern or a Crosshatch p...

Page 38: ...nverge Red Blue on Green lines at the center of the screen 9 Repeat steps 5 through 8 for optimum performance Dynamic Edge Convergence NOTE To secure the correct position of the Deflection Yoke three rubber wedges are used They are ultimately to be placed as shown in Figure 4c or 5c 1 Apply a crosshatch pattern signal to the antenna terminals and set the Green Drive control R205 L 2 to it s fully ...

Page 39: ...e 17 If necessary adjust Green and Blue Drive controls to achieve white Raster 18 Adjust Sub bright CW until raster barely disappears 19 Set Bright Picture and Color to mid range with Remote Transmitter Stereo Alignment For Stereo Models Only Note The following procedure was performed with a Sencore VG91 Universal Video Generator and must be done while the set is in the service mode 1 Enter the Se...

Page 40: ...rvice mode For example when performing a Stereo alignment turn the Stereo ON bdfore entering the service mode to perform alignment Press the following transmitter keys without allowing the on screen display to time out between entries NOTE The transmitter supplied with the set may not perform this task properly if the word MENU appears on screen at the end of following sequence a UR14 T251 or othe...

Page 41: ...2 Press Size Button PIP X Y Press PIP ON OFF or POS buttons to activate v or to change X Y coordinates of the PIP picture Vert Hi Press sleep button on remote Use v keys to change over or underscan Note DO NOT enter 82 This is a factory stereo alignment if register 82 is adjusted a full stereo alignment is required Smart Picture Register Values 1 While still in the Service Mode Press the Smart Pic...

Page 42: ...th X2 Seconds of error per day 2 Determine if the clock is gaining or losing time 3 Enter the Service Mode and access register 84 via the numeric keypad on the remote transmitter If the value is 00 or 80 refer to the use table for the number of seconds of correction needed fast or slow and enter the calibration code hex EXAMPLE 4 minutes fast a month X 2 8 seconds a day fast The chart says if the ...

Page 43: ... 2 07 2403 90625 18 2 16 2403 90875 19 2 25 2403 91126 1A 2 34 2403 91376 1B 2 43 2403 91627 1C 2 52 2403 91877 1D 2 61 2403 92127 1E 2 70 2403 92378 1F 2 79 2403 92628 20 2 88 2403 92879 21 2 97 2403 93129 22 3 06 2403 93379 23 3 15 2403 93630 24 3 24 2403 93880 25 3 33 2403 94131 26 3 42 2403 94381 27 3 51 2403 94631 28 3 60 2403 94882 29 3 69 2403 95132 2A 3 78 2403 95383 2B 3 87 2403 95633 2C ...

Page 44: ... 29 2404 05148 52 7 38 2404 05399 53 7 47 2404 05649 54 7 56 2404 05899 55 7 65 2404 06150 56 7 74 2404 06400 57 7 83 2404 06651 58 7 92 2404 06901 59 8 01 2404 07151 5A 8 10 2404 07402 5B 8 19 2404 07652 5C 8 28 2404 07903 5D 8 37 2404 08153 5E 8 46 2404 08403 5F 8 55 2404 08654 60 8 64 2404 08904 61 8 73 2404 09155 62 8 82 2404 09405 63 8 91 2404 09655 64 9 09 2404 09906 65 9 18 2404 10156 66 9 ...

Page 45: ...6 0 54 2403 82863 87 0 63 2403 82612 88 0 72 2403 82362 89 0 81 2403 82111 8A 0 90 2403 81861 8B 0 99 2403 81611 8C 1 08 2403 81360 8D 1 17 2403 81110 8E 1 26 2403 80859 8F 1 35 2403 80609 90 1 44 2403 80359 91 1 53 2403 80108 92 1 62 2403 79858 93 1 71 2403 79607 94 1 80 2403 79357 95 1 89 2403 79107 96 1 98 2403 78856 97 2 07 2403 78606 98 2 16 2403 78355 99 2 25 2403 78105 9A 2 34 2403 77855 9B...

Page 46: ... 5 58 2403 68840 BF 5 67 2403 68590 C0 5 76 2403 68339 Cl 5 85 2403 68089 C2 5 94 2403 67839 C3 6 03 2403 67588 C4 6 12 2403 67338 C5 6 21 2403 67087 C6 6 30 2403 66837 C7 6 39 2403 66587 C8 6 48 2403 66336 C9 6 57 2403 66086 CA 6 66 2403 65835 CB 6 75 2403 65585 CC 6 84 2403 65335 CD 6 93 2403 65084 CE 7 02 2403 64834 CF 7 11 2403 64583 D0 7 20 2403 64333 Dl 7 29 2403 64083 D2 7 38 2403 63832 D3 ...

Page 47: ...B 9 72 2403 57572 EC 9 81 2403 57322 ED 9 90 2403 57071 EE 9 99 2403 56821 EF 10 08 2403 56571 F0 10 17 2403 56320 Fl 10 26 2403 56070 F2 10 35 2403 55819 F3 10 44 2403 55569 F4 10 53 2403 55319 F5 10 62 2403 55068 F6 10 71 2403 54818 F7 10 80 2403 54567 F8 10 89 2403 54317 F9 10 98 2403 54067 FA 11 07 2403 53816 FB 11 16 2403 53566 FC 11 25 2403 53315 FD 11 34 2403 53065 FE 11 43 2403 52815 FF 11...

Page 48: ...All Models 7538 INTERCONNECT WIIRING DIAGRAM ...

Page 49: ...All Models 7538 MAIN CHASSIS SECTION 1 ...

Page 50: ...All Models 7538 MAIN CHASSIS SECTION 2 ...

Page 51: ...All Models 7538 MAIN CHASSIS SECTION 3 ...

Page 52: ...All Models 7538 MAIN CHASSIS SECTION 4 ...

Page 53: ...All Models 7538 MAIN CHASSIS SECTION 5 ...

Page 54: ...All Models 7538 MAIN CHASSIS SECTION 6 ...

Page 55: ...All Models 7538 MAIN CHASSIS SECTION 7 ...

Page 56: ...All Models 7538 CRT PANEL APT145 APT 146 ...

Page 57: ...All Models 7538 KEYBOARD ASW116 IR RECVR ALR016 ...

Page 58: ...All Models 7538 PRO VIDEO JACK PANEL AVJ177 ...

Page 59: ...All Models 7538 DIODE MODULATOR PANEL AWR006 007 ...

Page 60: ...All Models 7538 R5 MAIN CHASSIS PCB TOP VIEW ...

Page 61: ...All Models 7538 MAIN CHASSIS PCB BTM VIEW ...

Page 62: ...All Models 7538 CRT PCB APT146 ...

Page 63: ...All Models 7538 CRT PCB APT145 ...

Page 64: ...All Models 7538 PRO VIDEO JACK PANEL PCB AVJ177 ...

Page 65: ...All Models 7538 DIODE MODULATOR PCB AWR006 007 ...

Page 66: ... p 1µ sec 6 5v p p 5m sec 7 7 8v p p 50µ sec 8 5 7v p p 50µ sec 9 3 6v p p 50µ sec 10 2v p p 20µ sec 11 1 2v p p 20µ sec 12 4 4v p p 5m sec 13 2 4v p p 5m sec 14 1 7v p p 5m sec 15 1 5v p p 5m sec 16 1 7v p p 5m sec 17 3 1v p p 5m sec 18 1 6v p p 5m sec 19 55v p p 5m sec 20 2v p p 5m sec ...

Page 67: ... 20µ sec 26 162v p p 20µ sec 27 1160v p p 20µ sec 28 1 2v p p 20µ sec 29 3 2v p p 20µ sec 30 3v p p 20µ sec 31 1v p p 5µ sec 32 4 5v p p 2m sec 33 1 2v p p 20µ sec 34 1 3v p p 20µ sec 35 5v p p 20µ sec 36 5v p p 20µ sec 37 4 8v p p 20µ sec 38 5 2v p p 20µ sec 39 4 1v p p 20µ sec 40 3v p p 5m sec ...

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