AOC 198PW Service Manual

19" LCD TV
Service
Service
Service
Description
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
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

Page Description
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
SAFETY NOTICE
1
AOC 198PW
Horizontal Frequency
30kHz- 82kHz
Page