Philips LC7.1HE LA - User Manual

Published by JH 0770 BU CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 17151
©
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
LC7.1HE
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 7
3. Directions for Use 8
4. Mechanical Instructions 9
5. Service Modes, Error Codes, and Fault Finding 20
6. Block Diagrams, Test Point Overviews, and
Waveforms
Wiring Diagram 26” - 32” LCD (ME7) 31
Wiring Diagram 32” LCD (ME7) 32
Wiring Diagram 42” LCD (ME7) 33
Block Diagram Video 34
Block Diagram Audio 35
Block Diagram Control & Clock Signals 36
Test Point Overview SSB (Bottom Side) 37
I2C Overview 38
Supply Lines Overview 39
7. Circuit Diagrams and PWB Layouts Diagram PWB
SSB: DC / DC (B02) 40 56-65
SSB: Tuner IF & Demodulator (B03A) 41 56-65
SSB: DVB-Demodulator (B03B) 42 56-65
SSB: DVB-T: DVB Common Interface (B03C) 43 56-65
SSB: DVB MOJO (B03D) 44 56-65
SSB: DVB MOJO Memory (B03E) 45 56-65
SSB: DVB MOJO Analog Back End (B03F) 46 56-65
SSB: Micro Processor (B04A) 47 56-65
SSB: Video Processor (B04B) 48 56-65
SSB: DDR & CPU Interface (B04C) 49 56-65
SSB: YPBPR & Rear I/O (B06A) 50 56-65
SSB: I/O SCART 1 & 2 (B06B) 51 56-65
SSB: HDMI (B06C) 52 56-65
SSB: Headph. Ampl. & Muting (B06D) 53 56-65
SSB: Audio (B07) 54 56-65
SSB: SRP List 55 56-65
DC/DC Converter Panel (DC01) 66 67
Keyboard Control Panel (E) 68 69
Front IR / LED Panel (J) 70 71
i-Board (HC01) 72 74-75
i-Board (HC02) 73 74-75
System Interface Panel (SI) 76 77
8. Alignments 79
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets 84
Abbreviation List 85
10. Spare Parts List 87
11. Revision List 91

Philips LC7.1HE LA Specifications

General

Brand	Philips
Model	LC7.1HE LA
Category	TV
Language	English

Summary

1. Technical Specifications, Connections, and Chassis Overview

1.1 Technical Specifications

Details display type, screen size, resolution, contrast ratio, and viewing angles.

1.2 Connection Overview

Provides a diagram and details of rear I/O connections, including VGA, SCART, and HDMI ports.

1.2.1 Rear Connections (top)

Lists pin assignments and signals for RJ12 DATA1 and RJ45 DATA2 connectors.

1.2.2 Rear Connections

Details connections for SCART, S-Video, Aerial, and HDMI interfaces with pinouts.

2. Safety Instructions, Warnings, and Notes

2.1 Safety Instructions

Outlines essential safety regulations for repair, including isolation transformers and component replacement.

2.2 Warnings

Warns about ESD sensitivity, high voltage precautions, and the use of non-metal tools for adjustments.

2.3.7 Practical Service Precautions

5. Service Modes, Error Codes, and Fault Finding

5.1 Test Points

5.3 Service Modes

Introduces the four parts of Service Mode: SDM, SAM, CSM, and ComPair.

5.3.2 Service Default Mode (SDM)

Details the purpose, specifications, activation, and navigation within Service Default Mode.

5.3.3 Service Alignment Mode (SAM)

Covers the purpose, specifications, activation, and menu explanation of Service Alignment Mode.

5.3.4 Customer Service Mode (CSM)

Explains the purpose, specifications, activation, and menu explanation of Customer Service Mode.

5.4 Service Tools

5.4.1 ComPair

5.5 Error Codes

Introduces error codes used to indicate failures in the TV set and the error buffer.

5.5.2 How to Read the Error Buffer

5.5.4 How to Clear the Error Buffer

5.6 The Blinking LED Procedure

Details how the front LED blinks to indicate error codes, useful when OSD is not working.

5.6.1 Introduction

5.6.2 Displaying the Entire Error Buffer

5.8 Fault Finding and Repair Tips

5.8.1 NVM Editor

5.8.2 Load Default NVM Values

5.8.3 Start-up;Shut-down Flowcharts

6. Block Diagrams, Test Point Overviews, and Waveforms

Wiring Diagram 26 - 32 LCD (ME7)

Wiring Diagram 32 LCD (ME7)

Wiring Diagram 42 LCD (ME7)

Block Diagram Video

Illustrates the video signal path, including tuner, demodulator, video processor, and I/O interfaces.

Block Diagram Audio

Depicts the audio signal path, from tuner/demodulator to audio processor and amplifier stages.

Block Diagram Control & Clock Signals

Shows the control and clock signal flow, including microprocessor, keyboard, and HDMI interfaces.

Test Point Overview SSB (Bottom Side)

I2 C Overview

Supply Lines Overview

7. Circuit Diagrams and PWB Layouts

SSB: DC;DC

Presents the circuit diagram and PWB layout for the DC/DC converter section.

SSB: Tuner IF & Demodulator

Provides the circuit diagram and PWB layout for the tuner and IF demodulator module.

SSB: DVB-Demodulator

Shows the circuit diagram and PWB layout for the DVB demodulator component.

SSB: DVB-T: DVB Common Interface

Details the circuit diagram and PWB layout for the DVB Common Interface module.

SSB: DVB MOJO

Provides the circuit diagram and PWB layout for the DVB MOJO module.

SSB: DVB MOJO Memory

Shows the circuit diagram and PWB layout for the DVB MOJO memory components.

SSB: DVB MOJO Analog Back End

Presents the circuit diagram and PWB layout for the DVB MOJO analog back-end circuitry.

SSB: Micro Processor

Displays the circuit diagram and PWB layout related to the main microprocessor.

SSB: Video Processor

Provides the circuit diagram and PWB layout for the video processing unit.

SSB: DDR & CPU Interface

Shows the circuit diagram and PWB layout for the DDR memory and CPU interface.

SSB: YPBPR & Rear I;O

Details the circuit diagram and PWB layout for YPbPr inputs and rear I/O connections.

SSB: I;O SCART 1 & 2

Presents the circuit diagram and PWB layout for SCART I/O connections.

SSB: HDMI

Shows the circuit diagram and PWB layout for the HDMI input connectors.

SSB: Headph. Ampl. & Muting

Provides the circuit diagram and PWB layout for the headphone amplifier and muting circuit.

SSB: Audio

Details the circuit diagram and PWB layout for the audio amplifier and related components.

Layout SSB (Overview Top Side)

Layout SSB (Part 1 Top Side)

Layout SSB (Part 2 Top Side)

Layout SSB (Part 3 Top Side)

Layout SSB (Part 4 Top Side)

Layout SSB (Overview Bottom Side)

Layout SSB (Part 1 Bottom Side)

Layout SSB (Part 2 Bottom Side)

Layout SSB (Part 3 Bottom Side)

Layout SSB (Part 4 Bottom Side)

DC;DC Converter Panel

Circuit diagram and PWB layout for the Dual DC-DC Converter panel.

Keyboard Control Panel

Front IR; LED Panel

i-Board

Circuit diagram for the HC01 i-Board, showing connections to other modules.

HC01 i-BOARD

Circuit schematic for the HC01 i-Board, detailing its internal components and connections.

HC02 i-BOARD

Schematic diagram for the HC02 i-Board, illustrating its circuitry and interfaces.

System Interface Panel

Circuit diagram for the System Interface Panel, showing connections to i-Board and SSB.

8. Alignments

8.1 General Alignment Conditions

Specifies conditions for electrical adjustments, including power supply, warm-up, and tool usage.

8.2 Hardware Alignments

8.3 Software Alignments

Details software alignments for Tuner and RGB settings using SAM.

8.3.1 Tuner Adjustment (RF AGC Take Over Point)

Explains how to adjust the tuner's AGC for constant output signal amplitude.

8.3.2 RGB Alignment

Guides on setting white balance and RGB alignment using SAM, including colour temperature adjustments.

8.4 Setting the Correct iTV Mode

8.5 Option Settings

8.5.2 How To Set Option Codes

8.6 Wireless Smart-Loader (22 AV1120;00)

8.6.1 ITV Installation Tool

8.6.3 Programming the Wireless Smart-Loader

8.6.4 Installing a TV with the Wireless Smart-Loader

8.6.5 Problems and Solutions: