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Colour Television Chassis LC4.6E AA E_14710_000.eps 240604 Contents Page Contents Page 52-55 52-55 57 59 61 65-67 65-67 65-67 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 9 6. Block Diagrams, Testpoint Overviews, and Waveforms Wiring Diagram 15 Block Diagram Supply and Standby 16 Testpoint Overview Supply and Standby 17 Block Diagram Audio and Video 18 Block Diagram Audio and Video 19 Testpoint Overview SSB (Top Side) 20 I2C IC Overview 21 Supply Voltage Overview 22 7. Circuit Diagrams and PWB Layouts Diagram SSB: Tuner and VIF (A1) 23 SSB: Histogram and Hercules (A2) 24 SSB: Histogram and Hercules (A3) 25 SSB: Audio Delay line (Lip sync) (A4) 26 SSB: Audio Amplifier (A5) 27 SSB: TV Supply (A6) 28 SSB: Scaler (A7) 29 SSB: Scaler Supply (A8) 30 SSB: Scaler Interface (A9) 31 SSB: SDRAM (A10) 32 SSB: Flash / Control (A11) 33 SSB: HDMI (A12) 34 SSB: PCHD MUX (A13) 35 SSB: Supply (A14) 36 SSB: DC-DC Converter (A15) 37 SSB: PCHD IO (A16) 38 SSB: Rear IO Scart (A17) 39 8. 9. 10. 11. PWB 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 40-49 PSU (30-32"): Mains Filter and Standby (AS1) 50 PSU (30-32"): Supply (AS2) 51 Side I/O Panel (D) 56 Top Control Panel (E) 58 LED and Switch Panel (J) 60 LCD Standby Audio Panel: Connections (SA1) 62 LCD Standby Audio Panel: Standby (SA2) 63 LCD Standby Audio Panel: Audio (SA3) 64 Alignments 69 Circuit Descriptions, Abbreviation List, and IC Data Sheets 73 Abbreviation list 80 IC Data Sheets 83 Spare Parts List 86 Revision List 93 © 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. Published by WO 0561 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 14711 EN 2 1. LC4.6E AA Technical Specifications, Connections, and Chassis Overview 1. Technical Specifications, Connections, and Chassis Overview Index of this chapter: 1.1 Technical Specifications 1.2 Connection Overview 1.3 Chassis Overview Note: Figures below can deviate slightly from the actual situation, due to the different set executions. 1.2 Connection Overview Note: The following connector colour abbreviations are used (acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy= Grey, Rd= Red, Wh= White, and Ye= Yellow. 1.2.1 Rear Connections 1.1 1.1.1 Technical Specifications Vision Display type Screen size Resolution (HxV pixels) Contrast ratio Light output (cd/m2) Viewing angle (HxV deg.) Tuning system Colour systems Video playback : : : : : : : : : : : : : : : : : : : : : : : : : DV-LCD-IPS 15:9 30" (76 cm) 1280x768 (WXGA) 350:1 450 176x176