AOC E2251SWDN Manuale Utente

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21.5" LCD Color Monitor                                                                                          AOC E2251SWDN 
 
Service 
Service 
Service
                                                                                                                         
 
 
                                                                                                                                                                                 
 
                                             
                                             
                                                   
 
Horizontal Frequency 
                                                                                                                                                                             
 30-83KHz 
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
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
 
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 
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