Table Of Contents - ViewSonic VX800-3 - 18" LCD Monitor Service Manual

1.Engineering Specifications . ....................................................................... 1
1.1 Scope.......................................................................................................................................1
1.2 Electrical Characteristics ......................................................................................................3
1.3 Mechanical Characteristics ................................................................................................12
1.4 Packaging .............................................................................................................................13
1.5 Environmental Characteristics...........................................................................................13
1.6 Factory setting......................................................................................................................13
Appendix IPreset Signal Timings.....................................................................................14
Analog timing mode table.......................................................................................15
Digital timing mode table ........................................................................................17
Appendix II.......................................................................................................................................
EDID Code............................................................................................................................19
Analog.................................................................................................................... 19
Digital ..................................................................................................................... 19
Appendix III Label Printing .....................................................................................................20
ID LABEL ...............................................................................................................20
Bar Code label/Serial No Label ..............................................................................20
2.Front Panel Function Control Description............................................... 21
2.1 User control functions .........................................................................................................22
2.2 OSD operation flow .............................................................................................................22
3.Circuit Description ..................................................................................... 31
3.1. Interface Board ...................................................................................................................32
3.2 Audio Board..........................................................................................................................36
4.Troubleshooting Flow Chart ..................................................................... 38
4.1 Figure of Waveform.............................................................................................................38
4.2 No Display on Screen (Screen is black, LED is off).......................................................41
4.3 No Display on Screen ( LED is green) .............................................................................42
4.4 No Power On........................................................................................................................43
4.5 No Sound (Test signal: 1r.m.s sine waveform ) ..............................................................44
4.6 Show "No Signal" on screen ..............................................................................................45
4.7 Keypad can not work...........................................................................................................45
5.Adjust Procedure ....................................................................................... 46
5.1 PREPARATION OF MANUAL ALIGNMENT...................................................................47
5.2 COLOR TEMPERATURE ALIGNMENT ..........................................................................48
5.3 FACTORY PRESET SETTING..........................................................................................50
6.Mechanical Assembly ................................................................................ 51
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VX800-3