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2.1 A. Power Circuit Troubleshooting
2.2 B. Performance Troubleshooting
Change Power
Board
Start
No
Change Main Board
Yes
Yes
End
1
Is screen white?
Yes
Replug or Change
FPC Cable
Yes
Is screen black?
No
Change
Main Board
Abnormal Color ?
Start
Change
Inverter Board
No
Change
LCD Panel
Yes
Yes
Yes
No
No
Change
Main Board
No
Change
LCD Panel
Yes
Yes
No
Yes
Yes
Change
Main Board
No
Change
LCD Panel
Yes
Yes
No
43
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VP912s/b
Summary of Contents for VLCDS25973-4W
Page 30: ...27 ViewSonic Corporation Confidential Do Not Copy VP912s b ...
Page 31: ...28 ViewSonic Corporation Confidential Do Not Copy VP912s b ...
Page 32: ...29 ViewSonic Corporation Confidential Do Not Copy VP912s b ...
Page 81: ...11 PCB Layout Diagrams 78 ViewSonic Corporation Confidential Do Not Copy VP912s b ...