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Philips LC8.1E - User Manual

Philips LC8.1E
71 pages
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Published by TY 0872 BU TV Consumer Care Printed in the Netherlands Subject to modification EN 3122 785 18171
©
Copyright 2008 Koninklijke Philips Electronics N.V.
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
LC8.1E
LB
I_18170_000.eps
300708
MG8
MG8
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 12
6. Block Diagrams, Test Point Overview, and
Waveforms
Wiring Diagram 32" (MG8) 23
Wiring Diagram 42" (MG8) 24
Block Diagram Video 25
Block Diagram Audio 26
Block Diagram Control & Clock Signals 27
SSB: Test Points (Overview Bottom Side) 28-30
I2C IC Overview 31
Supply Lines Overview 32
7. Circuit Diagrams and PWB Layouts Diagram PWB
SSB: DC/DC (B01) 33 47-51
SSB: Tuner IF & SAWF (B02) 34 47-51
SSB: Micro Processor NVM (B03) 35 47-51
SSB: TDA154XX (B04A) 36 47-51
SSB: DDR Flash Trap (B04B) 37 47-51
SSB: LVDS Connectors (B04C) 38 47-51
SSB: SMIC L (B05A) 39 47-51
SSB: Audio Class D (B05B) 40 47-51
SSB: YPBPR & SVHS (B06A) 41 47-51
SSB: IO Scart 1 (B06B) 42 47-51
SSB: Scart2 & UART & JTAG (B06C) 43 47-51
SSB: HDMI (B06D) 44 47-51
SSB: SRP List Explanation 45
SSB: SRP List 46
Keyboard Control Panel (E) 52 52
IR & LED Panel (J) 53 54
8. Alignments 55
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets 58
Abbreviation List 63
IC Data Sheets 65
10. Spare Parts List & CTN Overview 71
11. Revision List 71
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Summary

Service Manual

Technical Specifications, Connections, and Chassis Overview

Technical Specifications

Provides detailed technical data on vision, sound, and miscellaneous display specifications.

Connection Overview

Details all external I/O connections, including SCART, HDMI, and other ports.

Chassis Overview

Identifies the location of major internal boards and components within the chassis.

Safety Instructions, Warnings, and Notes

Safety Instructions

Outlines essential safety regulations and procedures for performing repairs safely.

Warnings

Highlights critical warnings regarding ESD, high voltage, and handling of components.

Notes

Provides important general notes on measurements, component values, and soldering practices.

Directions for Use

Mechanical Instructions

Cable Dressing

Illustrates the correct routing and management of internal cables for optimal assembly.

Service Positions

Describes recommended positions for easy and safe servicing of the TV set.

Assy;Panel Removal MG8 Styling

Provides step-by-step instructions for disassembling and removing internal assemblies and panels.

Set Re-assembly

Details the procedure for reassembling the TV set after servicing, emphasizing correct cable placement.

Service Modes, Error Codes, and Fault Finding

Test Points

Identifies key test points within the chassis schematics and layout diagrams.

Service Modes

Explains how to access and use various service modes like SDM, SAM, and CSM for diagnosis.

Service Tools

Introduces ComPair, a diagnostic tool for understanding and repairing the chassis.

Error Codes

Details how to read and interpret error codes stored in the NVM for fault diagnosis.

The Blinking LED Procedure

Explains how to use the front LED blinking patterns for error identification without OSD.

Software Upgrading

Provides information on upgrading the TV's main software and service SSB.

Fault Finding and Repair Tips

Offers practical advice and tips for troubleshooting and performing repairs effectively.

Block Diagrams, Test Point Overview, and Waveforms

Wiring Diagram 32 (MG8)

Shows the interconnections of components and boards for the 32-inch MG8 model.

Wiring Diagram 42 (MG8)

Illustrates the wiring and component connections for the 42-inch MG8 model.

Block Diagram Video

Presents a high-level overview of the video signal path and processing blocks.

Block Diagram Audio

Outlines the audio signal flow and processing stages within the TV.

Block Diagram Control & Clock Signals

Details the control signals and clock distribution throughout the system.

SSB: Test Points (Overview Bottom Side)

Provides a layout of test points on the bottom side of the Small Signal Board (SSB).

I2 C IC Overview

Maps out the I2C communication lines and connected ICs within the chassis.

Supply Lines Overview

Illustrates the various power supply lines distributed across different boards.

Circuit Diagrams and PWB Layouts

SSB: DC;DC

Shows the circuit diagram for the DC/DC power supply section of the SSB.

SSB: Tuner IF & SAWF

Details the circuit diagram for the tuner, IF amplifier, and SAW filters.

SSB: Micro Processor NVM

Presents the circuit diagram for the microprocessor and its associated NVM.

SSB: TDA154 XX

Shows the circuit diagram for the TDA154XX video/audio processor.

SSB: DDR Flash Trap

Details the circuit diagram for the DDR Flash trap and related memory components.

SSB: LVDS Connectors

Illustrates the circuit diagram for LVDS connectors and signal routing to the LCD panel.

SSB: SMIC L

Presents the circuit diagram for the SMIC L component.

SSB: Audio Class D

Shows the circuit diagram for the TDA8932 Class D audio amplifier.

SSB: YPBPR & SVHS

Details the circuit diagram for YPBPR and SVHS input connections.

SSB: IO Scart 1

Presents the circuit diagram for the first SCART input/output interface.

SSB: Scart2 & UART & JTAG

Illustrates the circuit diagram for the second SCART, UART, and JTAG interfaces.

SSB: HDMI

Shows the circuit diagram for the HDMI interface and associated components.

SSB: SRP List Explanation

Explains the Service Reference Protocol (SRP) for signal tracing and schematic references.

Layout Small Signal Board (Overview Top Side)

Provides an overview layout of the Small Signal Board (SSB) top side.

Keyboard Control Panel

Shows the circuit and layout for the TV's keyboard control panel.

IR & LED Panel

Details the circuit and layout for the IR receiver and LED indicators.

Alignments

General Alignment Conditions

Specifies the conditions and precautions required for performing electrical adjustments.

Hardware Alignments

Provides an overview of DC voltages for checking SSB power supply functionality.

Software Alignments

Explains how to perform tuner and RGB alignments using the Service Alignment Mode (SAM).

Option Settings

Details how to set and manage option codes for proper chassis configuration.

Circuit Descriptions, Abbreviation List, and IC Data Sheets

Introduction

Introduces the LC8.1E LB chassis, its chipset, and main key components.

LCD Power Supply

Describes the functionality and types of power supply units used in the chassis.

DC;DC converters

Details the on-board DC-DC converters and their output voltages for the SSB.

Front-End

Explains the role and features of the UV1316E analogue tuner in the TV's front-end.

Video;Audio Processing

Describes the video and audio processing handled by the NXP LOC-TOP processors.

HDMI

Provides an overview of the HDMI interface specification and its implementation.

Abbreviation List

A comprehensive list of abbreviations and their meanings used throughout the manual.

IC Data Sheets

Shows internal block diagrams and pin configurations for key integrated circuits.

Spare Parts List & CTN Overview

Revision List

Philips LC8.1E Specifications

General IconGeneral
BrandPhilips
ModelLC8.1E
CategoryChassis
LanguageEnglish

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