Philips 42PFL7312/78, Service Manual

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Published by WS 0772 BG CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 16980
©
Copyright 2007 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior permission of Philips.
Color Television Chassis
LC4.8L
LA
H_16980_000.eps
200207
ME6 ME6
Contents Page Contents Page
1. Technical Specifications, Connections, and Chassis
Overview
2
2. Safety Instructions, Warnings, and Notes 4
3. Directions for Use 5
4. Mechanical Instructions 6
5. Service Modes, Error Codes, and Fault Finding 11
6. Block Diagrams, Test Point Overviews, and
Waveforms
Wiring Diagram 32” 17
Wiring Diagram 37” & 42” 18
Block Diagram Video 19
Block Diagram Audio & Control 20
Test Point Overview SSB (Top Side) 21
I2C Overview 22
Supply Voltage Overview 23
7. Circuit Diagrams and PWB Layouts Diagram PWB
SSB: Tuner and IF (B1) 24 45-54
SSB: Hercules (B2) 25 45-54
SSB: Sync Interface (B3) 26 45-54
SSB: Audio Delay Line (PDP Only) (B4) 27 45-54
SSB: Audio Processing (B5) 28 45-54
SSB: DC-DC Converter (B6) 29 45-54
SSB: Scaler (B7) 30 45-54
SSB: Scaler (B8) 31 45-54
SSB: Scaler Interface (B9) 32 45-54
SSB: SDRAM (B10) 33 45-54
SSB: Flash / Control (B11) 34 45-54
SSB: MUX-Sync Interface (B13) 36 45-54
SSB: Digital I/O (B14) 37 45-54
SSB: Top Connectors (B16) 38 45-54
SSB: Side Connectors (B17) 39 45-54
SSB: ADC (B18) 40 45-54
SSB: Columbus (B19) 41 45-54
SSB: EPLD (B20) 42 45-54
SSB: EPLD (B21) 43 45-54
SSB: Cinch Analog I/O (B23) 44 45-54
Class D Audio Amplifier (32”) (C) 55 56
Layout Side I/O Panel (32”) (Top Side) (D) 57 58
Side I/O Panel (37” & 42”) (D) 59 60
Keyboard Control Board (32”) (E) 61 61
Keyboard Control Board (37” & 42”) (E) 62 62
IR/LED Panel (32” & 37”) (J) 63 63
IR / LED Panel (42”) (J) 64 64
Standby/Audio Panel (37” & 42”): Conn. (SA1) 65 68- 70
Standby/Audio Panel (37” & 42”): Standby(SA2) 66 68- 70
Standby/Audio Panel (37” & 42”): Audio (SA3) 67 68- 70
8. Alignments 71
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets
75
Abbreviation List 81
IC Data Sheets 83
10. Spare Parts List 87
Diversity Table SSB 87
11. Revision List 93