VG700b Series Service Manual
5-2
VX
700b series
Start
Change
Main Board
Change
AC/DC
Adapter
Yes
Yes
No
5-2.1
A. Power Circuit Troubleshooting
End
5-2.2
B. Performance Troubleshooting
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
Change
FPC Cable
No
Yes
No
Change
LCD Panel
Change
Main Board
Is screen black ?
Yes
Yes
No
Yes
Change
Inverter Board
No
ViewSonic Corporation
Confidential
– Do Not Copy
VG700b
End