19’’ LCD TV AOC L19W631
1
Service
Service
Service
Horizontal Frequency
31.5-80 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
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…….…………………….……….....11
2.4. Front Panel Control Knobs……………….……….....13
3. Input/Output Specification…………....................…....14
4. Mechanical Instructions…………………….................17
5. Repair Flow Chart ……………………….…….…….....20
6. PCB Layout ………………..………………....….......25
6.1.Main Board…………..………….……….......25
6.2.Power Board……………..………….……….......28
6.3.Tuner Board……………………..………..............31
6.4. IR Board………………………………..……….......31
7. White-Balance, Luminance Adjustment...................32
8. Block Diagram.……...........................................34
9. Schematic……………...…………..………………...35
9.1 Main Board…….…………..……………….….......35
9.2.Power Board…………….……….………….......47
9.3.Tuner Board……………………..………..............49
9.4.Key Board……………………..………..............53
10. Exploded View..……………............................…..54
11. BOM List……………….………………………….….55
12.Different Parts List…………………………….……73
Summary of Contents for L19W631
Page 18: ...19 LCD TV AOC L19W631 18 4 Remove the shield 5 Remove the main board power board ...
Page 25: ...19 LCD TV AOC L19W631 25 6 PCB Layout 6 1 Main Board ...
Page 26: ...19 LCD TV AOC L19W631 26 ...
Page 27: ...19 LCD TV AOC L19W631 27 ...
Page 28: ...19 LCD TV AOC L19W631 28 6 2 Power Board ...
Page 29: ...19 LCD TV AOC L19W631 29 ...
Page 30: ...19 LCD TV AOC L19W631 30 ...
Page 31: ...19 LCD TV AOC L19W631 31 6 3 Tuner Board 6 4 IR Board ...