AOC D32W831, Service Manual

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32 ″ &42 ″ &47 ″ Digital LCD TV AOC D32W831&D42H831&D47H831
1
Service
Service
Service
Horizontal Frequency
32”:31~60 kHz
42”/47”:31~65 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.Tuner Board…………….……………………….......26
6.4.Key Board………………………….…………….......26
6.5.IR Board………………………….…………..….......26
7.Adjustment…………………………….…...................27
8. Block Diagram.…….................................................28
9. Schematic……………...……………………………...47
9.1.Main Board……...…………………………...….......47
9.2.Power Board….….….….…………...………….......57
9.3.Tuner Board…….……………………………….......62
9.4.Key Board………………………………….…….......70
9.5.IR Board……..…………………..….……….….......71
10.Exploded View…….…………………………….…...72
11.BOM List……………..….…………………………….75
12.Different Parts List…………………..……………186
Table Of Contents.......……..............................…........1
Important Safety Notice.......................................……......2
Revision List…………………………………………………3
1. General Specification..............................………........4
2. Operating Instructions…………………….……….......5
2.1. Remote Control………………….….……….…….......5
2.2. Control Buttons and Connections…...………………..6
2.3. Use the Menus….…….…………………….……….....9
2.4. Front Panel Control Knobs……………….……….....10
3. Input/Output Specification…………....................…....11
4. Mechanical Instructions…………………….................13
5. Repair Flow Chart ……………………….…….…….....16
6. PCB Layout ………………..………………....….......21
6.1.Main Board…………....…..……………...……….......21
6.2.Power Board……..…..………..………….……….......24