Service manual

21.5" LCD Color Monitor AOC e2236Vw
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.
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.LCD Monitor Description……….…………………….......5
3.Operation Instruction.…………...................……...........6
3.1.General Instructions....................................…...........6
3.2.Control Buttons and Connections...............................6
3.3.Adjusting the Picture…...................................8
4.Input/Output Specification...............……………….......27
4.1.Input Signal Connector...............………..................27
4.2.Factory Preset Display Modes……..........................28
4.3.Panel Specification…………..………………………..29
5.Block Diagram….........................................................32
5.1.Main Board…..….............................................32
5.2.Power Board…………..…………………………......33
6.Schematic…………..….........................................34
6.1.Main Board..…….…...........................................34
6.2.Power Board..……….........................................38
7.PCB Layout..……….............................................41
7.1.Main Board………..…........................................41
7.2.Power Board….…..............................................42
7.3.Key Board………..…..........................................44
7.4.USB Board………..….........................................44
8.Maintainability………............................................45
8.1.Equipments and Tools Requirement…...............45
8.2.Trouble Shooting…..………...............................46
9.Firmware and DDC Instruction……………….….54
10.White-Balance,Luminance Adjustment…............69
11.Mechanical Instructions …............ .............71
12.Monitor Exploded View……................................75
13.BOM List…………..………………………............76