Service manual

17" LCD Color Monitor AOC 712Si
1
Service
Service
Service
Horizontal Frequency
30- 80 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.
Table Of Contents.......…….................……...........…........1
Important Safety Notice.………….…..................……......2
Revision List.…........................………................……......3
1.Product Feature..............................………........4
2.LCD Monitor Description…………………………….......6
3.Operation Instruction…………...............……...........7
3.1.General Instructions...........................…...........7
3.2.Control Buttons…………….…..............……...............7
3.3 Adjusting the Picture...........................…............8
4.Input/Output Specification............……………...........10
4.1.Analog Connector............…………........……….......10
4.2.Factory Preset Display Modes...............…..........10
5.Panel Specification.....………………..................11
5.1. General Feature…….....………………..................11
5.2. Optical Characteristics………………………………11
5.3. Electrical Characteristics……………………………12
6.Block Diagram…….…................…………................13
6.1.Monitor Exploded View……………………............13
6.2.Software Flow Chart…………………....….......14
6.3.Electrical Block Diagram…………..…..….......16
7.Schematic……………...............................….....17
7.1 Main Board.............................................17
7.2 Power Board....……...........……........................27
8.PCB Layout..…………...........……...........................29
8.1.Main Board………..................……....................29
8.2.Power Board…....................……………..................30
8.3.Key Board………........…................………............32
9.Maintainability………............................……….........33
9.1.Equipments and Tools Requirement......……….......33
9.2.Trouble Shooting…………..............................34
10.White-Balance, Luminance adjustment....................42
11.BOM List….................……......................….............43
12.Different Parts List………………………...…………..58
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING