AOC envision L37W431, Service Manual

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37’’ LCD TV Envision L37W431
1
Service
Service
Service
Horizontal Frequency
31.5- 49 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
7.1. Main Board…………..………….……….......31
7.2. Power Board…………..………….……….......34
7.3. Audio Board………………………………….....37
7.4. Tuner Board…………………..……….......38
7.5. Key Board…………………….……….......39
7.6. IR Board………………………….……….......39
8 Block Diagram…………………………………..40
9. Schematic………………………………………...41
9.1 Main Board……………………………….......41
9.2. Power Board…………….……….…………...52
9.3. Tuner Board……………………….…….......53
9.4. Audio Board…………………………….......57
10. Exploded View..……………............................58
11. BOM List……………….……………………….60
12. Different Parts List……………………………...86
Table Of Contents.......…….............................…........1
Revision List……………………………………………....2
Important Safety Notice.......................................……......3
1. General Specification..............................………........4
2. Operating Instructions…………………….……….......6
2.1. The Use Of Remote Control…….………….…….......6
2.2. Front Panel Control Knobs……………….……….....7
2.3. To Use The Menu…...…………………….……….......8
2.4. How To Connect…….…………………….……….....16
3. Input/Output Specification…………....................…....19
3.1. Input Signal Connector………………………….....19
3.2. Factory Preset Display Modes…………………….20
4. White-Balance, Luminance Adjustment...........21
5. Mechanical Instructions…………………….................23
6. Repair Flow Chart ……………………….…….…….....26
7. PCB Layout …………..………………....….......31