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4-2.1
A. Power Circuit Troubleshooting
4-2.2
B. Performance Troubleshooting
Start
Change
Main Board
Change
Power
Board
Yes
Yes
No
End
Start
Yes
No
Change
LCD Panel
Change
Main Board
Is screen white ?
Yes
Yes
No
Yes
No
Change
LCD Panel
Change
Main Board
Abnormal Color ?
Yes
Yes
No
Yes
Replug/Change
FPC Cable
No
1
Yes
No
Change
LCD Panel
Change
Main Board
Is screen black ?
Yes
Yes
No
Yes
Change
Inverter Board
No
ViewSonic Corporation
26
Confidential
– Do Not Copy
VP171/b/s
Summary of Contents for VLCDS25972-1W
Page 13: ...2 2 Exploded Overview ViewSonic Corporation 8 Confidential Do Not Copy VP171 b s ...
Page 46: ...ViewSonic Corporation 41 Confidential Do Not Copy VP171 b s ...
Page 47: ...ViewSonic Corporation 42 Confidential Do Not Copy VP171 b s ...
Page 69: ...10 PCB Layout ViewSonic Corporation 64 Confidential Do Not Copy VP171 s b 1 ...
Page 70: ... ViewSonic Corporation 65 Confidential Do Not Copy VP171 s b 1 ...
Page 71: ... ViewSonic Corporation 66 Confidential Do Not Copy VP171 s b 1 ...
Page 72: ... ViewSonic Corporation 67 Confidential Do Not Copy VP171 s b 1 ...