2.1 A. Power Circuit Troubleshooting
Start
Change
Power
Board
Change
Main Board
End
Yes
No
Yes
2.2 B. Performance Troubleshooting
Start
Is screen black?
Change
Power Board
Change
Main Board
Change
LCD Panel
Is screen white?
Replug
or Change
FPC Cable
Change
Main Board
Abnormal Color?
Change
Main Board
Change
LCD Panel
1
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Change
Main Board
33
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VA
905
Содержание VA905-1
Страница 63: ...11 3 KEYPAD PCB TOP VIEW 11 4 KEYPAD PCB BOTTOM VIEW 60 ViewSonic Corporation Confidential Do Not Copy VA905...
Страница 64: ...11 5 POWER PCB TOP VIEW 61 ViewSonic Corporation Confidential Do Not Copy VA905...
Страница 65: ...11 6 POWER PCB BOTTOM VIEW 62 ViewSonic Corporation Confidential Do Not Copy VA905...