19
″
&22
″
LCD TV AOC L19WA91&L22WA91
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
6.1 Main Board…………..……………...…….…….......29
6.2 Power Board……………..……….…….……….......31
6.3 Key Board………………………..……..……….......32
6.4 IR Board………………………….……..……….......33
7. Adjustment……..………………………….................34
8. Block Diagram.…….................................................35
9. Schematic Diagram…..…………....………………...36
9.1 Main Board…………………………………...….......36
9.2 Power Board…………….…………...………….......50
9.3 Key Board……………….……….…………….........52
9.4 IR Board……...………….……….…………….........53
10. Exploded View………………………………….…...54
11. BOM List……………….………………….………….56
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……..……………….…….………....13
2.4 Front Panel Control Knobs…….………….……….....15
3. Input/Output Specification…………....................…....16
4. Mechanical Instructions…………………….................19
5. Repair Flow Chart ……………………….…….…….....24
6. PCB Layout ………………..…………………....….......29
Содержание L19WA91
Страница 4: ...4 1 General Specification ...
Страница 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Страница 13: ...13 2 3 How to Connect ...
Страница 14: ...14 ...
Страница 15: ...15 2 4 Front Panel Control Knobs ...
Страница 20: ...20 3 Release connectors L19WA91 L22WA91 ...
Страница 21: ...21 4 Remove hinge BKT L19WA91 L22WA91 ...
Страница 22: ...22 5 Remove the screws to remove the main board and power board 6 Remove speakers ...
Страница 23: ...23 7 Remove panel 8 Remove key board and IR board ...
Страница 29: ...29 6 PCB Layout 6 1 Main Board 715G3292 1 ...
Страница 30: ...30 ...
Страница 31: ...31 6 2 Power Board 715G3414 1 ...
Страница 32: ...32 6 3 Key Board 715G3375 1 ...
Страница 33: ...33 6 4 IR Board 715G3392 1 ...
Страница 35: ...35 8 Block Diagram ...
Страница 54: ...54 10 Exploded View L19WA91 ...
Страница 55: ...55 L22WA91 ...
Страница 121: ...121 705TQ949001 COMSUPTIVE ASS Y A4 ...