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40
″
LCD TV AOC LE40H137M
1
Service
Service
Service
Horizontal Frequency
31~67 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
6.2 Power Board……...…………..….…….……….......39
6.3 Key Board………………………..……..……….......42
6.4 IR Board………………………….……..……….......42
7. Adjustment..............................................................43
7.1 ADC Adjustment……………………..……...………43
7.2 FW Upgrade.………………………………...………44
8. Block Diagram.…….................................................46
9. Schematic Diagram…..…………....………………...48
9.1 Main Board…………………………………...….......48
9.2 Power Board…………..….….……...………….......60
9.3 Key Board……………….……….…………….........66
9.4 IR Board……...………….……….…………….........67
10. Exploded View………………………………….…...68
11. BOM List……………….………………….………….70
Table of Contents.......……....................................…........1
Important Safety Notice.......................................……......2
Revision List…………………………………………………3
1. General Specification..............................……...…........4
2. Operating Instructions………………...…….……….......5
2.1 The Use of Remote Control…….…..……….…….......5
2.2 To Use the Menus….....………………….…..…….......7
2.3 How to Connect……..……………….…….……….....22
2.4 Front Panel Control Knobs…….………….……….....24
3. Input/Output Specification…………....................…....25
4. Mechanical Instructions…………………….................27
5. Repair Flow Chart ……………………….…….…….....30
6. PCB Layout ………………..…………………....….......37
6.1 Main Board……………..……………...…….…….......37
Summary of Contents for LE40H137M -
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 7: ...7 2 2 To Use the Menus ...
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Page 22: ...22 2 3 How to Connect ...
Page 23: ...23 ...
Page 24: ...24 2 4 Front Panel Control Knobs ...
Page 26: ...26 3 3 Compatible Mode Table ...
Page 29: ...29 5 Remove the screws to remove KEY BOARD and IR BOARD ...
Page 37: ...37 6 PCB Layout 6 1 Main Board 715G4561M0H000004K ...
Page 38: ...38 ...
Page 39: ...39 6 2 Power Board 715G4581P01W30003H ...
Page 40: ...40 ...
Page 41: ...41 ...
Page 42: ...42 6 3 Key Board 715G4682K01000004I 6 4 IR Board 715G4650R01000004S ...
Page 47: ...47 ...
Page 66: ...66 9 3 Key Board 715G4682K01000004I ...
Page 68: ...68 10 Exploded View ...