AOC 198PW, Service Manual

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19” LCD TV AOC 198PW
1
Service
Service
Service
Horizontal Frequency
30kHz- 82kHz
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
Revision List.…............................................……......2
Important Safety Notice.………….......................……......3
1. Monitor Specification..............................………........4
2. Operating Instructions…………………….……….......5
2.1 Front Panel Control Knobs..……………...................5
2.2 OSD Operations……..........…...........…...........6
2.3 Factory modes adjustment.…............……...............8
2.4 How To Connect .………........................…............9
2.5 ISP Instruction ……..............……………............12
3 Input/Output Specification…………..........................16
3.1 Input Signal Connector……......................................16
3.2 RGB Input Signal Timing …….....……......................17
4. Mechanical Instructions…………………..................18
5. Repair Flow Chart ……………………….……….....23
6. PCB Layout ………….……………………....….......29
6.1 Main Board.………….….......................................29
6.2 Power Board…………..……..............................31
6.3 Key Board ……… …...................................34
6.4 IR Board …................….......................36
6.5 DC-DC Board....…...………...............................36
7. Schematic Diagram.……....................................37
7.1 Main Board.………………………………..….37
7.2 Power Board…..…....………………….......47
7.3 Tuner Board..………...........................…..49
7.4 Earphone Board..………...........................…..50
7.5 IR Board..……….……...........................…..51
7.6 Key Board…………………...........................…..52
7.7 USB Board..…………..................................…..53
7.8 Adapter Board..………….............................…..54
8. Block Diagram…………..….……………………...55
8.1 Main Board………….…..………………………..55
8.2 Exploded View…....……....................................56
9.BOM List…………...……...................................57