Philips LC4.41E - User Manual

Published by WS 0770 BU CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 16241
©
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.
Colour Television Chassis
LC4.41E
AA
For manual LGE PDP panel see: 3122 785 15590
For manual FHP PDP panel see: 3122 785 14580
For manual SDI PDP panel see: 3122 785 14990
G_16240_000.eps
170206
ME6
Contents Page Contents Page
1. Technical Specifications, Connections, and Chassis
Overview 2
2. Safety Instructions, Warnings, and Notes 5
3. Directions for Use 6
4. Mechanical Instructions 7
5. Service Modes, Error Codes, and Fault Finding 11
6. Block Diagrams, Test Point Overviews, and
Waveforms
Wiring Diagram 42” LG 19
Wiring Diagram 42” & 50” SDI 20
Block Diagram Supply FHP 21
Block Diagram Video 22
Block Diagram Audio 23
Test Point Overview Small Signal Board 24
I2C Overview 25
Supply Voltage Overview 26
7. PDP FHP Supply: Filter Standby (A2) 27 32-37
PDP FHP Supply: Protection (A3) 28 32-37
PDP FHP Supply: Pre Conditioner (A5) 29 32-37
PDP FHP Supply: LLC Supply (A6) 30 32-37
PDP FHP Supply: AUX Supply (A7) 31 32-37
SSB: Tuner and VIF (B1) 38 61-70
SSB: Hercules (B2) 39 61-70
SSB: Sync Interface (B3) 40 61-70
SSB: Audio Delay Line (PDP Only) (B4) 41 61-70
SSB: Audio Processing (B5) 42 61-70
SSB: DC-DC Converter (B6) 43 61-70
SSB: Diversity Tables B1-B6 44
SSB: Scaler (B7) 45 61-70
SSB: Scaler (B8) 46 61-70
SSB: Scaler Interface (B9) 47 61-70
SSB: SDRAM (B10) 48 61-70
SSB: Flash / Control (B11) 49 61-70
SSB: HDMI (B12) 50 61-70
SSB: MUX-Sync Interface (B13) 51 61-70
SSB: Digital I/O (B14) 52 61-70
SSB: SCART Analog I/O (B15A) 53 61-70
SSB: DMMI (B15B) 54 61-70
SSB: Top Connectors (B16) 55 61-70
SSB: Side Connectors (B17) 56 61-70
SSB: ADC (B18) 57 61-70
SSB: Columbus (B19) 58 61-70
SSB: Pacific 3 (B20) 59 61-70
SSB: Diversity Tables B9-B20 60
Audio Panel: Amplifier (C) 71 73
Side I/O Panel (D) 74 75
Keyboard Control Board (E) 76 76
Front IR / LED Panel (J) 77 78
OTC Flash (For 1000pg TXT) (T) 79 80
8. Alignments 83
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets 89
Abbreviation List 90
IC Data Sheets 93
10. Spare Parts List 97
11. Revision List 107

Philips LC4.41E Specifications

General

Brand	Philips
Model	LC4.41E
Category	TV
Language	English

Summary

1. Technical Specifications, Connections, and Chassis Overview

1.1 Technical Specifications

Detailed specifications for vision and sound parameters, including screen size, resolution, contrast, and audio systems.

1.2 Connection Overview

Details side and rear I/O connections, including SCART and HDMI, with pinout information.

2. Safety Instructions, Warnings, and Notes

2.1 Safety Instructions

Guidelines for safe repair, emphasizing isolation transformers, component substitution, and post-repair checks.

2.2 Warnings

Alerts regarding ESD precautions, high voltage handling, and proper tool usage for sensitive components.

2.3.4 Lead-free Solder

5. Service Modes, Error Codes, and Fault Finding

5.1 Test Points

Location and measurement conditions for test points indicated in schematics and layouts for diagnostics.

5.2 Service Modes

Details on Service Default Mode (SDM), Service Alignment Mode (SAM), and Customer Service Mode (CSM).

5.3 Problems and Solving Tips Related to CSM

Troubleshooting common picture and text issues by adjusting settings within the Customer Service Mode.

5.5 Error Codes

Explanation of how to read and clear error codes detected by the television set via SAM or LED blinking.

5.6 The Blinking LED Procedure

5.7 Fault Finding and Repair Tips

Practical advice for troubleshooting common faults, including tuner, video processing, power supply, and software.

6. Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Supply FHP

Block Diagram Video

Block Diagram Audio

Test Point Overview Small Signal Board

7. Circuit Diagrams and PWB Layouts

PDP FHP Supply Diagrams

SSB Circuit Diagrams

8. Alignments

8.1 General Alignment Conditions

Conditions for performing electrical adjustments, including mains voltage and test probe specifications.

8.3 Software Alignments

Procedures for software alignments using SAM menu for settings like white tone, tuner, and DCXO.

9. Circuit Descriptions, Abbreviation List, and IC Data Sheets

9.2 Block Diagram

9.3 Power Supply Unit

9.4 Abbreviation List

Alphabetical list of abbreviations and their technical meanings used throughout the service manual.

9.5 IC Data Sheets