AOC 177Pk Service Manual
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17” LCD Color Monitor AOC 177Pk
1
Service
Service
Service
Horizontal Frequency
30-83 kHz
TABLE OF CONTENTS
Description Page Description Page
N
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.
Table Of Contents.......……..............................…........1
Revision List.…........................................……......2
Important Safety Notice.…….........................……......3
1.Monitor Specification..............................………........4
2.LCD Monitor Description…………………………….......5
3.Operation Instruction……………...............……...........6
3.1.General Instructions………..........................…...........6
3.2.Control Button…………….…..............……...............6
3.3.Adjusting the Picture...........................…............7
4.Input/Output Specification............……………............9
4.1.Input Signal Connector............………….................9
4.2 Power Supply Requirement…………………………10
4.3.Factory Preset Display Modes.........................10
4.4.Panel Specification.....……...……………..................11
5.Block Diagram………...................…………................13
5.1.Software Flow Chart………………………...........13
5.2.Electrical Block Dia
g
ram…………………..…...........15
6.Schematic…………………...................................…17
6.1.Main Board.................................................17
6.2. Audio Board.....………..…....................................22
6.3. Power Board....…..….….......................................23
7.PCB Layout..……………….......................................25
7.1.Main Board……………........................................25
7.2.Power Board…............................................27
7.3.Audio Board…............................................29
7.4.Key Board…………...…….....................................29
8.Maintainability…………….........................................30
8.1.Equipments and Tools Requirement...............30
8.2.Trouble Shooting…………..............................31
9.White-Balance Luminance adjustment………….....37
10.Monitor Exploded View……………………….........39
11.BOM List….....................................................42
12.Different Parts List……………………………………54
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING