23" LCD Monitor           AOC e2350Sda 
 1
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.Control Buttons and Connections...............................6
3.3.OSD Setting…..........................................................8
4.Input/Output Specification...............……………….......24
4.1.Input Signal Connector...............………..................24
4.2.Preset Display Modes……..........................25
4.3.Panel Specification…………..………………………..26
5.Block Diagram….........................................................29
5.1.Main Board…..….............................................29
5.2.Power Board…………..…………………………......30
6.Schematic…………..….........................................31
6.1.Main Board..…….…...........................................31
6.2.Power Board..……….........................................36
7.PCB Layout..………..............................................38
7.1.Main Board………..…........................................38
7.2.Power Board….…..............................................40
7.3.Key Board………..…..........................................42
8.Maintainability………............................................43
8.1.Equipments and Tools Requirement…...............43
8.2.Trouble Shooting…..………...............................44
9.White-Balance,Luminance Adjustment…............48
10.Mechanical Instructions …............ ..............50
11.Monitor Exploded View……................................58
12.BOM List…………..……………………….............59
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING