Philips LC4.5E, Service Manual

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Published by BB 0563 TV Service Printed in the Netherlands Subject to modification EN 3122 785 15390
©
Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior permission of Philips.
Colour Television Chassis
LC4.5E
AA
E_14710_000.eps
240604
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, Testpoint Overviews, and
Waveforms
Wiring Diagram 17
Block Diagram Video 18
Block Diagram Audio + Video 19
Testpoint Overview SSB (Top Side) 20
I2C IC Overview 21
Supply Voltage Overview 22
7. Circuit Diagrams and PWB Layouts Diagram PWB
Tuner and VIF (A1) 23 40-49
Histogram and Hercules (A2) 24 40-49
Histogram and Hercules (A3) 25 40-49
Audio Delay Line (Lip Sync) (A4) 26 40-49
Audio Amplifier (A5) 27 40-49
TV Supply (A6) 28 40-49
Scaler (A7) 29 40-49
Scaler Supply (A8) 30 40-49
Scaler Interface (A9) 31 40-49
SDRAM (A10) 32 40-49
Flash / Control (A11) 33 40-49
HDMI (A12) 34 40-49
PCHD MUX (A13) 35 40-49
Supply (A14) 36 40-49
DC-DC Converter (A15) 37 40-49
PCHD IO (A16) 38 40-49
Rear IO Scart (A17) 39 40-49
Class D Audio Amplifier (C) 50 51
Side A/V Panel (D) 52 53
Keyboard Control Panel (E) 54 55
IR-LED and Light Sensor Panel (J) 56 56
8. Alignments 57
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets
62
Abbreviation List 70
IC Data Sheets 72
10. Spare Parts List 75
11. Revision List 80