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Philips LC03E User Manual

Philips LC03E
126 pages
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Published by RB 0370 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 13571
©
Copyright 2003 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
LC03E
AA
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 14
5 Service Modes, Error messages,
and Repair Tips 20
6 Block Diagrams
Block Diagram (Tuner-IF-Video) 27
Block Diagram (TV Control and Inverter Panel) 28
Block Diagram (Scaler Board) 29
I2C-IC’s and Error Codes Overview 30
Powerlines Overview 31
Testpoint Overview TV Board (15”/17”) 32
Mapping Testp. and Waveforms TV Board 33
Testpoint Overview Scaler Board 34
Testpoint Overview TV Board (23”) 35
Wiring Diagram 15 & 17 Inch 36
Wiring Diagram 23 Inch Wide Screen 37
7 Electrical Diagrams and PWB lay-outs Diagram PWB
TV Board: U_Cont (Diagram A1) 38 50-69
TV Board: Mem for 100-pg Txt (Diagram A2) 39 50-69
TV Board: Tuner Function (Diagram A3) 40 50-69
TV Board: IF Video Sync Chr. (Diagram A4) 41 50-69
TV Board: SAW Filter (Diagram A5) 42 50-69
TV Board: Analog Comb Filter (Diagram A6) 43 50-69
TV Board: Audio Delay Line (Diagram A7) 44 50-69
TV Board: Audio Processing (Diagram A8) 45 50-69
TV Board: Audio Ampl. (15”/17”)(Diagram A9a) 46 50-69
TV Board: Audio Amplifier (23”) (Diagram A9b) 47 50-69
TV Board: Local Supply (Diagram A10) 48 50-69
TV Board: SCART I/O (Diagram A11) 49 50-69
Scaler Panel: Power (Diagram C1) 70 80-89
Scaler Panel: I/O & Interface (Diagram C2) 71 80-89
Scaler Panel: Video Decoder (Diagram C3) 72 80-89
Scaler Panel: Scaler (Diagram C4) 73 80-89
Scaler Panel: Output (LVDS) (Diagram C5) 74 80-89
Scaler Panel: SDRAM (Scaler) (Diagram C6) 75 80-89
Scaler Panel: PC-In (Diagram C7) 76 80-89
Scaler Panel: uP (Diagram C8) 77 80-89
Scaler Panel: Video Converter (Diagram C9) 78 80-89
Scaler Panel: HDTV Decoder (Diagram C10) 79 80-89
Side I/O Panel (Diagram D) 90 91
Top Control (Diagram E) 90 92
Inverter Panel (TN) (Diagram IN) 93 94
Inverter Panel (IPS) (Diagram IN1) 95 97
Inverter Panel (IPS) (Diagram IN2) 96 97
Front LED Panel (Diagram J) 98 98
8 Electrical Alignments 99
9 Circuit Descriptions 103
Abbreviation List 115
IC Data Sheets 117
10 Spare Parts List 120
11 Revision List 126

Table of Contents

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Philips LC03E Specifications

General IconGeneral
Display TechnologyLCD
Refresh Rate60 Hz
HDMI Ports2
USB Ports1
Built-in SpeakersYes
Screen Size32 inches
Resolution1366 x 768

Summary

Technical Specifications, Connections, and Chassis Overview

1.2 Connections

Information on front, top, and rear connections for audio, video, and power inputs/outputs.

Safety Instructions, Warnings, and Notes

2.1 Safety Instructions

Crucial safety regulations and precautions for repair, including isolation transformer use and component replacement.

2.2 Warnings

Important warnings about ESD, high voltage, and safe handling of components during repair.

Directions for Use

Remote control keys

Detailed explanation of each key on the remote control and its specific function.

Installing your television set

Instructions on positioning the TV, connecting aerials, and power supply for initial setup.

Using in PC monitor mode

Guide to connecting and using the TV as a computer monitor, including PIP functionality.

Adjusting the picture

How to optimize picture settings like brightness, colour, contrast, and sharpness for optimal viewing.

Connecting peripheral equipment

Connecting peripheral equipment

Instructions on connecting various external devices like VCRs, decoders, DVD players, and game consoles.

Computer

Detailed instructions for connecting a computer, including resolution settings for PC monitor mode.

Mechanical Instructions

4.1 Service Position

Instructions on how to place the TV in a safe service position for repairs to prevent damage.

4.3 Rear Cover Removal

Instructions for safely removing the rear cover for access to internal components.

4.7 TV Board Removal

Detailed steps for disconnecting and removing the main TV board for component replacement.

4.8 Scaler Board Removal

Procedure for carefully disconnecting and removing the Scaler board to access its components.

4.11 LCD Panel Removal

Step-by-step guide for removing the LCD panel and its frame for different screen sizes.

Service Modes, Error Messages, and Repair Tips

5.2 Service Modes

Introduction to service modes like SDM and SAM for diagnosis, alignment, and accessing error codes.

5.2.2 Service Default Mode (SDM)

Purpose, activation, and deactivation of SDM for predefined settings and diagnostic procedures.

5.2.3 Service Alignment Mode (SAM)

Purpose, activation, and deactivation of SAM for alignments, option changes, and error code buffer access.

5.3 Errors

Explanation of error codes, their meanings, and how the error buffer is managed.

5.3.2 Error Codes

Detailed table of error codes, descriptions, possible defective components, and corresponding diagrams for troubleshooting.

5.4 The “Blinking LED” Procedure

Method to read error codes using the blinking LED, useful when the display is not functioning.

5.6 Trouble Shooting Tips

General troubleshooting tips for common problems, focusing on power supply and I2C communication issues.

Block Diagrams, Testpoint Overviews, and Wiring Diagram

I2C-IC’s and Error Codes Overview

Overview of ICs using I2C communication and a table of error codes with their descriptions and possible causes.

Circuit Diagrams and PWB Layouts

Scaler Panel: Scaler

Circuit diagram for the main scaler IC, its interfaces, and associated processing blocks.

Inverter Panel (TN)

Circuit diagram for the Inverter Panel (TN), responsible for driving the LCD backlight.

Inverter Panel (IPS)

Circuit diagram for the Inverter Panel (IPS), responsible for driving the LCD backlight.

IN2 INVERTER PANEL (IPS)

Circuit diagram for the secondary Inverter Panel (IPS), likely for additional backlight control.

Electrical Alignments

8.3 Software Alignments

Overview of software alignments using SAM menu for geometry, white tone, and tuner adjustments.

Circuit Descriptions, Abbreviation List, and IC Data Sheets

9.3 Power Supply

Description of the external AC/DC adapter and internal power distribution regulators used in the TV.

9.7 Video: Scaler Board

Description of the Scaler Board's role in display processing, handling view modes, and PC/HD inputs.

9.10 Inverter

Introduction to the Inverter Panel, responsible for driving the CCFL backlight for the LCD.

9.11.2 LCD Failure Modes

Figures and descriptions illustrating common LCD failure modes and their root causes for troubleshooting.

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