AOC 919VZ User Manual

Page of 55
19" LCD Color Monitor                                      AOC 919Pz&919Sz&919Vz 
 
Service 
Service 
Service
                                                                                                                         
 
 
                                                                                                                                                                                 
 
919Pz               919Sz&919Vz 
                 
                                           
                                                     
 
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
Revision List.…........................................…………........2
Important Safety Notice.……............................……......3
1.Monitor Specification..............................………..........4
2.LCD Monitor Description……………………………......6
3.Operation Instruction…………...............……..............7
3.1.General Instructions...........................…...................7
3.2.Control Button…………….…..............……...............7
3.3.OSD Menu…………….…...........................…...........9
4.Input/Output Specification............……………............13
4.1.Input Signal Connector............………….................13
4.2.Factory Preset Display Modes…….........................14
4.3.Panel Specification.....………...…………................15
5.Block Diagram…….....................………….................17
5.1.Main Board…….…………...………………....….......17
5.2.Power Board……………..……………...….......18
6.Schematic……………........................................19
6.1.Main Board………...........................................19
6.2.Power Board...…….........................................23
6.3.Key Board...…….............................................26
7.PCB Layout..………….......................................27
7.1.Main Board………...........................................27
7.2.Power Board…...............................................30
7.3.Key Board…………….....................................32
8.Maintainability……….........................................33
8.1.Equipments and Tools Requirement...............33
8.2.Trouble Shooting…………..............................34
9.White-Balance, Luminance Adjustment.............38
10.Monitor Exploded View………..…….…............40
11.BOM List…………………………………............44
 
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING