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42
″
LCD TV AOC D42H931G
1
Service
Service
Service
Horizontal Frequency
31~56 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
6.3 Inverter Board……………..…….…….……….......40
6.4 Tuner Board…………………………..……….......41
6.5 Key Board………………………..……..……….......42
6.6 IR Board………………………….……..……….......42
7. Adjustment……..………………………….................43
8. Block Diagram.…….................................................44
9. Schematic Diagram…..…………....………………...45
9.1 Main Board…………………………………...….......45
9.2 Power Board…………..….….……...………….......55
9.3 Inverter Board…………..….……...………….......60
9.4 Tuner Board……………….…….…………….........61
9.5 Key Board………………………..……..……….......71
9.6 IR Board……...………….……….…………….........72
10. Exploded View………………………………….…...73
11. BOM List……………….………………….………….75
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 Menu….....…………………….……….......6
2.3 How to Connect……..……………….…….……….....15
2.4 Front Panel Control Knobs…….………….……….....21
3. Input/Output Specification…………....................…....24
4. Mechanical Instructions…………………….................26
5. Repair Flow Chart ……………………….…….…….....29
6. PCB Layout ………………..…………………....….......35
6.1 Main Board…………..………………...…….…….......35
6.2 Power Board………………..…….…….……….......37
英华家电维修资料专用 QQ:505966338
Summary of Contents for D42H931G
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control 英华家电维修资料专用 QQ 505966338 ...
Page 6: ...6 2 2 To Use the Menu 英华家电维修资料专用 QQ 505966338 ...
Page 7: ...7 英华家电维修资料专用 QQ 505966338 ...
Page 8: ...8 英华家电维修资料专用 QQ 505966338 ...
Page 9: ...9 英华家电维修资料专用 QQ 505966338 ...
Page 10: ...10 英华家电维修资料专用 QQ 505966338 ...
Page 11: ...11 英华家电维修资料专用 QQ 505966338 ...
Page 12: ...12 英华家电维修资料专用 QQ 505966338 ...
Page 13: ...13 英华家电维修资料专用 QQ 505966338 ...
Page 14: ...14 英华家电维修资料专用 QQ 505966338 ...
Page 15: ...15 2 3 How to Connect 英华家电维修资料专用 QQ 505966338 ...
Page 16: ...16 英华家电维修资料专用 QQ 505966338 ...
Page 17: ...17 英华家电维修资料专用 QQ 505966338 ...
Page 18: ...18 英华家电维修资料专用 QQ 505966338 ...
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Page 20: ...20 英华家电维修资料专用 QQ 505966338 ...
Page 21: ...21 2 4 Front Panel Control Knobs 英华家电维修资料专用 QQ 505966338 ...
Page 22: ...22 英华家电维修资料专用 QQ 505966338 ...
Page 23: ...23 英华家电维修资料专用 QQ 505966338 ...
Page 28: ...28 5 Remove the screws to remove key board IR board and speakers 英华家电维修资料专用 QQ 505966338 ...
Page 35: ...35 6 PCB Layout 6 1 Main Board 715G4005M0E000004L 英华家电维修资料专用 QQ 505966338 ...
Page 36: ...36 英华家电维修资料专用 QQ 505966338 ...
Page 37: ...37 6 2 Power Board 715G3351 1 英华家电维修资料专用 QQ 505966338 ...
Page 38: ...38 英华家电维修资料专用 QQ 505966338 ...
Page 39: ...39 英华家电维修资料专用 QQ 505966338 ...
Page 40: ...40 6 3 Inverter Board 715G3358 2 英华家电维修资料专用 QQ 505966338 ...
Page 41: ...41 6 4 Tuner Board 715G4012M0F000005K 英华家电维修资料专用 QQ 505966338 ...
Page 42: ...42 6 5 Key Board 715G3400K01001001S 6 6 IR Board 715G3394R01001004S 英华家电维修资料专用 QQ 505966338 ...
Page 44: ...44 8 Block Diagram 英华家电维修资料专用 QQ 505966338 ...