Philips LC7.1E User Manual

Published by WS 0763 BG CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 16940
©
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
LC7.1E
LA
H_16940_000.eps
080307
ME7
ME7
Contents Page Contents Page
1. Technical Specifications, Connections, and Chassis
Overview 2
2. Safety Instructions, Warnings, and Notes 6
3. Directions for Use 8
4. Mechanical Instructions 9
5. Service Modes, Error Codes, and Fault Finding 16
6. Block Diagrams, Test Point Overview, and
Waveforms
Wiring Diagram 32” 27
Wiring Diagram 37”-42” 28
Block Diagram Supply 29
Block Diagram Video 30
Block Diagram Audio 31
Block Diagram Control & Clock Signals 32
Test Point Overview SSB (Bottom Side) 33
I2C IC’s Overview 34
Supply Lines Overview 35
7. Circuit Diagrams and PWB Layouts Diagram PWB
SSB: DC/DC (B02) 36 52-61
SSB: Tuner & Demodulator (B03A) 37 52-61
SSB: Micro Processor (B04A) 43 52-61
SSB: Video Processor (B04B) 44 52-61
SSB: PNX2015: Audio Processor (B04C) 45 52-61
SSB: YPBPR & Rear IO (B06A) 46 52-61
SSB: I/O Scart 1 & 2 (B06B) 47 52-61
SSB: HDMI (B06C) 48 52-61
SSB: Headphone Amp & Muting (B06D) 49 52-61
SSB: Audio (B07) 50 52-61
SSB: SRP List 51 52-61
Side A/V Panel (D) 62 63
Keyboard Control Panel (E) 64 65
Front IR / LED Panel (J) 66 67
8. Alignments 69
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets 73
Abbreviation List 80
IC Data Sheets 83
10. Spare Parts List 88
11. Revision List 92

Philips LC7.1E Specifications

General

Brand	Philips
Model	LC7.1E
Category	TV
Language	English

Summary

Technical Specifications, Connections, and Chassis Overview

Technical Specifications

Details display type, screen size, resolution, contrast, light output, response time, viewing angle, tuning, color systems, video playback, computer formats, video formats, presets, tuner bands.

Connection Overview

Details side and rear I/O connections, including EXT3, EXT1, EXT2, HDMI1/2, S-VIDEO, VIDEO, AUDIO IN, SERV C/U.

Chassis Overview

Provides an overview of the chassis, showing the location of major components like the power supply unit and small signal board.

Safety Instructions, Warnings, and Notes

Safety Instructions

Outlines essential safety regulations for repair, isolation transformer use, component substitution, and post-repair checks.

Notes

Provides schematic notes on resistor and capacitor value notation, and handling of BGA ICs.

Mechanical Instructions

Cable Dressing

Illustrates cable routing and management within the set, applicable to 32" models.

Assy/Panel Removal

Details procedures for removing the rear cover and accessing internal components.

Set Re-assembly

Provides instructions for reassembling the set, emphasizing cable placement and EMC foam mounting.

Service Modes, Error Codes, and Fault Finding

Service Modes

Introduces Service Default Mode (SDM), Alignment Mode (SAM), Customer Mode (CSM), and ComPair for diagnostics.

Error Codes

Explains the purpose of error codes, how they are stored in the NVM, and how to read the error buffer.

The Blinking LED Procedure

Details the procedure for displaying errors using the front LED blinking codes, especially when OSD is not working.

Block Diagrams, Test Point Overview, and Waveforms

Wiring Diagram 32"

Shows the wiring diagram for 32" LCD models, illustrating interconnections between major modules.

Block Diagram Video

Illustrates the video signal flow, including tuner, demodulator, video processor, and various input/output connections.

Block Diagram Audio

Shows the audio signal path, including tuner, demodulator, sound processor, amplifier, and various input/output connections.

Circuit Diagrams and PWB Layouts

SSB: DC/DC

Shows the circuit diagram and PWB layout for the DC/DC conversion section of the SSB.

SSB: Tuner & Demodulator

Provides the circuit diagram and PWB layout for the tuner and demodulator section (B03A).

SSB: Video Processor

Shows the circuit diagram and PWB layout for the video processor (B04B).

SSB: PNX2015: Audio Processor

Shows the circuit diagram and PWB layout for the audio processor (B04C).

Alignments

General Alignment Conditions

Outlines electrical conditions required for alignment, including power supply, warm-up time, and test probe specifications.

Software Alignments

Describes software alignment procedures for Tuner (RF AGC) and RGB (White Tone).

Option Settings

Explains how to set option codes for microprocessor communication with I2C ICs and function configuration.

Circuit Descriptions, Abbreviation List, and IC Data Sheets

LCD Power Supply

Describes the PSU as a buy-in black-box, lists PSU types used, and shows connectivity and voltage outputs.

Front-End

Discusses tuner diversity based on region and the video IF amplifier, including SAW filter diversity.

HDMI

Introduces HDMI, its capabilities, and the implementation using the Sil9025 IC.

Abbreviation List

Provides an alphabetical list of abbreviations used in the manual, with their meanings.

IC Data Sheets

Introduces IC data sheets and shows the block diagram and pin configuration for the SIL9025CTU HDMI receiver.

Spare Parts List

Set Level per Model Number (CTN)

Lists spare parts categorized by model number (CTN) for different TV sets and includes component details.