Philips LC4.3E User Manual

Published by WS 0669 BG CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 15274
©
Copyright 2006 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
LC4.3E
AA
F_15800_000.eps
290906
Contents Page Contents Page
1. Technical Specifications, Connections, and Chassis
Overview 2
2. Safety Instructions, Warnings, and Notes 5
3. Directions for Use 7
4. Mechanical Instructions 8
5. Service Modes, Error Codes, and Fault Finding 14
6. Block Diagrams, Test Point Overviews, and
Waveforms
Wiring Diagram 23
Block Diagram Video 24
Block Diagram Audio 25
Testpoint Overview Small Signal Board 6093.1 26
Testpoint Overview Small Signal Board 6141.1 27
I2C IC Overview 28
Supply Voltage Overview 29
7. Circuit Diagrams and PWB Layouts Diagram PWB
SSB: Tuner and VIF (B1) 30 52-61
SSB: Hercules (B2) 31 52-61
SSB: Sync Interface (B3) 32 52-61
SSB: Audio Delay Line (Reserved) (B4) 33 52-61
SSB: Audio Processing (B5) 34 52-61
SSB: DC-DC Converter (B6) 35 52-61
SSB: Diversity Tables B1-B6 36
SSB: Scaler (B7) 37 52-61
SSB: Scaler (B8) 38 52-61
SSB: Scaler Interface (B9) 39 52-61
SSB: SDRAM (B10) 40 52-61
SSB: Flash / Control (B11) 41 52-61
SSB: MUX-Sync Interface (B13) 42 52-61
SSB: Digital I/O (B14) 43 52-61
SSB: SCART Analogue I/O (B15) 44 52-61
SSB: Top Connectors (B16) 45 52-61
SSB: Side Connectors (B17) 46 52-61
SSB: ADC (B18) 47 52-61
SSB: Columbus (B19) 48 52-61
SSB: EPLD (B20) 49 52-61
SSB: EPLD (B21) 50 52-61
SSB: Diversity Tables B9-B21 51
SSB: 61411 (B1-B21) 62-82 83-92
Class D Audio Amplifier (C) 93 94
Keyboard Control Panel (E) 95 96
Side A/V Panel (G) 97 98
IR-LED and Light Sensor Panel (J) 99 99
8. Alignments 101
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets 106
Abbreviation List 114
IC Data Sheets 117
10. Spare Parts List 121
11. Revision List 128

Philips LC4.3E Specifications

General

Brand	Philips
Model	LC4.3E
Category	TV
Language	English

Summary

Technical Specifications, Connections, and Chassis Overview

Technical Specifications

Details technical specifications including Vision, Sound, Miscellaneous, Power Supply, and Ambient Conditions.

Connection Overview

Explains how to connect external devices to the TV, covering Side and Rear I/O connections.

Safety Instructions, Warnings, and Notes

Safety Instructions

Outlines essential safety regulations and procedures for performing repairs on the television.

Warnings

Lists critical warnings for service technicians regarding ESD, high voltage, and component handling.

Lead-free Solder

Information and precautions regarding lead-free soldering processes and materials.

Mechanical Instructions

Assy/Panel Removal

Detailed steps for the removal of various TV assemblies and panels.

Set Re-assembly

Procedure for reassembling the entire TV set after repair or component replacement.

Service Modes, Error Codes, and Fault Finding

Test Points

Information on identifying and using test points for measurements during service.

Service Modes

Overview of Service Default Mode (SDM), Service Alignment Mode (SAM), and Customer Service Mode (CSM).

Problems and Solving Tips Related to CSM

Troubleshooting common picture issues and related settings adjustments.

Service Tools

Information regarding service tools like ComPair and LVDS Tool.

Error Codes

Explanation of error codes, how to read them via SAM, blinking LED, or ComPair.

Fault Finding and Repair Tips

General tips for fault finding, including NVM Editor usage and default values.

Video Processing

Troubleshooting steps for common video processing issues like no power or blank screen.

Power Supply

Checks for power supply issues, including fuses, standby signals, and protection concepts.

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Video

Detailed block diagram showing the video signal path and processing stages.

Block Diagram Audio

Detailed block diagram illustrating the audio signal path and processing stages.

Testpoint Overview Small Signal Board 6093.1

Layout of test points on the Small Signal Board (SSB) 6093.1.

Testpoint Overview Small Signal Board 6141.1

Layout of test points on the Small Signal Board (SSB) 6141.1.

I2C IC Overview

Diagram showing the I2C communication paths between various ICs.

Supply Voltage Overview

Overview of the power supply lines and their distribution to different boards.

Circuit Diagrams and PWB Layouts

SSB: Tuner and VIF

Circuit diagram for the Tuner and VIF (Video Intermediate Frequency) section.

SSB: Tuner & IF

SSB: Hercules

Circuit diagram for the Hercules IC, including its processing blocks.

SSB: Sync Interface

SSB: Audio Processing

SSB: DC-DC Converter

SSB: Scaler

SSB: Scaler Interface

SSB: SDRAM

SSB: Flash / Control

SSB: HDMI

SSB: MUX-Sync Interface

SSB: Digital I/O

SSB: SCART Analogue I/O

SSB: Top Connectors

SSB: Side Connectors

SSB: ADC

SSB: Columbus

SSB: EPLD

SSB: Class D Audio Amplifier

Keyboard Control Panel

Side A/V Panel

IR-LED and Light Sensor Panel

Alignments

General Alignment Conditions

Software Alignments

Describes software alignments for geometry, white tone, and tuner (IF) using SAM menu.

SAM Menu

Tuner Adjustment

Steps for adjusting AGC (RF AGC Take Over Point) and IFPLL values.

DCXO (Digital Xtal Oscillator) Alignment

Procedure for DCXO alignment, essential for NICAM sets, using Colour bar signal.

ADC Gain and Grey Scale Alignment

Details NVM settings for ADC Gain and Grey Scale adjustments for different models.

Panel Size Settings

Options

Circuit Descriptions, Abbreviation List, and IC Data Sheets

Input/Output

Tuner and IF

Video: TV Part (Diagrams B1, B2, and B3)

Columbus

Noise Reduction and Noise Estimator

Video: Scaler Part (Diagram B7, B8 and B9)

Description of the Scaler IC's functions including scaling, input handling, and LVDS transmission.

Teletext Path

Audio Processing

Audio Amplifier

Control

Hercules

Pin Configuration and Functionality

Diagram B2, Type TDA15021H (IC7217, Hercules)

Internal block diagram and pin configuration for the Hercules IC (TDA15021H).

Diagram B7+B8+B9, Type GM1501 (IC7401, Genesis)

Internal block diagram and pin configuration for the Genesis Scaler IC (GM1501).

Diagram B12, Type S9993CT (IC7D03, HDMI Panellink), Reserved

Internal block diagram and pin configuration for the HDMI Panellink IC (S9993CT).