THOMSON 32LM051B6 User Manual

32’’ LCD TV Color Monitor Thomson 32LM051B6
1
Service
Service
Service
Horizontal Frequency
31.5-60 kHz
TABLE OF CONTENTS
Description Page Description Page
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
8.1 Main Board.……….......................................65
8.2 Power Board……..……..............................67
8.3 Tuner Board…...................................70
8.4 Key Board …................….......................71
8.5 IR Board …................….......................71
8.6 DC-DC Board....…………...............................71
8.7 Headphone Board..…..…..........................72
9. Block Diagram.…….........................................73
9.1 Main Board.………………………………..….73
9.2 Power Board…..…....………………….......74
10. Exploded View..……….....................…..75
11. Schematic Diagram………………………...76
11.1 Main Board………..………………………..76
11.2 Power Board.....…...................................90
11.3 Tuner Board...…….......................................90
11.4 Key Board……………….………………….93
Table Of Contents.......……..............................…........1
Revision List.…........................................……......2
1. Monitor Specification..............................………........3
2. Operating Instructions…………………….……….......4
2.1 The Use Of Remote Control..……………...................4
2.2 The Use Of Teletext……..........…...........…...........5
2.3 Front Panel Control Knobs.…............……...............6
2.4 OSD Operations .………........................…............7
2.5 How To Connect ……..............……………............15
3 Input/Output Specification…………..........................19
3.1 Input Signal Connector……..........................19
3.2 RGB Input Signal Timing …….....……......................20
4. Mechanical Instructions…………………..................21
5. Repair Flow Chart ……………………….……….....26
6. White Balance Luminance Adjustment….…........32
7.BOM List..…………………………....….…….....36
8. PCB Layout ………….……………………....….......65

THOMSON 32LM051B6 Specifications

General

Screen Size	32 inches
Display Type	LED
Aspect Ratio	16:9
Refresh Rate	60 Hz
Sound Output	2 x 5W
Resolution	1366 x 768 pixels
Connectivity	HDMI, USB, VGA
Viewing Angle	178° (H) / 178° (V)

Summary

1. Monitor Specifications

LCD Panel Specifications

Technical specifications of the LCD panel used in the monitor.

Video & Audio Interfaces

2. Operations Instructions

2.1 Remote Control Usage

Explains the function of various remote control buttons for TV operation.

2.2 Teletext Features

2.3 Front Panel Controls

2.4 OSD Menu Operations

Explains how to navigate OSD menus for picture adjustments.

Audio Adjustments

3. System SETUP

6. Input/Output Specifications

6.1 Input Signal Connector

8. Repair Flow Chart

8.1 No Power Troubleshooting

Troubleshooting steps for a TV that does not power on, with no LED indicator.

8.2 Start-up Issues (Yellow LED)

Troubleshooting steps for when the TV cannot start, indicated by a yellow LED.

8.3 No Display (Green LED)

Troubleshooting steps for a TV with no display, indicated by a green LED.

8.4 Abnormal Display

Troubleshooting steps for issues related to abnormal or distorted picture display.

8.5 No Sound

Troubleshooting steps for cases where the TV produces no sound.

8.6 Key Board Troubleshooting

Troubleshooting flowchart specifically for issues related to the key board.

9. White Balance & Luminance Adjustment

Instrument Orientation & Factory Entry

PC Mode WB Adjustment

AV Mode WB Adjustment

11. PCB Layout Diagrams

11.1 Main Board PCB Layout

12. Block Diagrams

12.1 Main Board Block Diagram

Illustrates the functional blocks and signal flow of the main TV board.

12.2 Power Board Block Diagram

13. Exploded View

Exploded View Parts List

14. Schematic Diagrams

14.1 Main Board Schematic

Detailed schematic of the main circuit board, showing component connections.

14.2 Power Board Schematic

Schematic diagram for the TV's power supply board, detailing its circuitry.

14.3 Tuner Board Schematic

Circuit schematic for the TV's tuner board, illustrating its components and connections.

14.4 Key Board Schematic

Schematic diagram of the key board, showing button connections and signals.