42
″
&47
″
LCD TV AOC L42H831&L47H831
1
Service
Service
Service
Horizontal Frequency
31~60 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
6.1.Main Board…………..……………...……….......24
6.2.Power Board……………..………….……….......27
6.3.Key Board………………………..……….......29
6.4.IR Board………………………..……….......29
7. Adjustment………………………………...................30
8. Block Diagram.……...........................................31
9. Schematic……………...…………..………………...32
9.1 Main Board…………………………………...….......32
9.2.Power Board…………….…………...………….......42
9.3.Key Board……………….……….………….......46
10. Exploded View………………………………….…...47
11. BOM List……………….…………………………….49
12. Different Parts List…………………………….100
Table Of Contents.......……..............................…........1
Important Safety Notice.......................................….…......3
1. General Specification..............................………........4
2. Operating Instructions…………………….………......6
2.1. The Use Of Remote Control…….………….…….......6
2.2. To Use The Menu…...…………………….……….......7
2.3. How To Connect…….…………………….……….....10
2.4. Front Panel Control Knobs……………….……….....11
3. Input/Output Specification…………....................…....12
4. Mechanical Instructions…………………….................14
5. Repair Flow Chart ……………………….…….…….....19
6. PCB Layout ………………..………………....….......24
Revision List.....................................................................2
Содержание L42H831
Страница 4: ...42 47 LCD TV AOC L42H831 L47H831 4 1 General Specification ...
Страница 5: ...42 47 LCD TV AOC L42H831 L47H831 5 ...
Страница 6: ...42 47 LCD TV AOC L42H831 L47H831 6 2 Operating Instructions 2 1 The Use of Remote Control ...
Страница 24: ...42 47 LCD TV AOC L42H831 L47H831 24 6 PCB Layout 6 1 Main Board ...
Страница 25: ...42 47 LCD TV AOC L42H831 L47H831 25 ...
Страница 26: ...42 47 LCD TV AOC L42H831 L47H831 26 ...
Страница 27: ...42 47 LCD TV AOC L42H831 L47H831 27 6 2 Power Board ...
Страница 28: ...42 47 LCD TV AOC L42H831 L47H831 28 ...
Страница 29: ...42 47 LCD TV AOC L42H831 L47H831 29 6 3 Key Board 6 4 IR Board ...
Страница 46: ...42 47 LCD TV AOC L42H831 L47H831 46 9 3 Key Board ...
Страница 47: ...42 47 LCD TV AOC L42H831 L47H831 47 10 Exploded View L42H831 ...
Страница 48: ...42 47 LCD TV AOC L42H831 L47H831 48 L47H831 ...