ViewSonic VG700b Service Manual page 24

5-2.1 A. Power Circuit Troubleshooting
5-2.2 B. Performance Troubleshooting
Start
Is screen black ?
No
Is screen white ?
No
Abnormal Color ?
No
End
5-2
ViewSonic Corporation
Start
Change
No
AC/DC
Adapter
Yes
End
Change
Yes
Inverter Board
Yes
Change
Yes
FPC Cable
Yes
Change
Yes
Main Board
Yes
Change
Main Board
Yes
Change
No
Main Board
Yes
Change
No
Main Board
Yes
Change
No
LCD Panel
Yes
Confidential – Do Not Copy
Change
No
LCD Panel
Yes
Change
No
LCD Panel
Yes
VG700b