21.5" LCD Color Monitor

AOC E2251SWDN

Service

Service

Service

 

 

Horizontal Frequency

 

 

30-83KHz

 

Table of Contents

 

Description

Page Description

Page

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.Hot Keys…………….…..............……...............6

3.3.OSD Setting…………….…...........................…......7

4.Input/Output Specification............……………............20

4.1.Input Signal Connector............………….................20

4.2.Factory Preset Display Modes…….........................21

4.3.Panel Specification.....………...…………................22

5.Block Diagram…….........………….................25

6.Schematic……………........................................26

6.1.Main Board………...........................................25

6.2.Key Board...…….............................................31

7.PCB Layout..………….......................................32

7.1.Main Board………...........................................32

7.2.Key Board…………….....................................34

8.Maintainability……….........................................35

8.1.Equipments and Tools Requirement...............35

8.2.Trouble Shooting………….............................36

9.White-Balance, Luminance Adjustment.............40

10.Monitor Exploded View………..…….…............42

11.BOM List…………………………………...........44

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

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AOC E2251SWDN manual Service, Table of Contents