![background image](http://html1.mh-extra.com/html/viewsonic/va912-b-3/va912-b-3_service-manual_1020987048.webp)
ViewSonic Corporation
Confidential-Do Not Copy
VA912/b-3
45
Defect Mode
Failure Analysis
Repair
Testing
Can’t Input
Check PCB
Can’t Reader
Check Wire
Display Shut
Down
Check PCB
Check Panel
Display flicker
(tapping )
Check PCB
Check Panel
Next Step
※
“ Panel Change” Should be Performed to
Level 3
Repair stage
AD/B Change
AD/B Change
AD/B Change
P/B Change
Panel Change
CNT/B Change
P/B Change
CNT/B Change
CNT/B Change
D-sub cable change
Abnormal BIOS
&OSD
Other Abnormal
Display
TEST
NG
Completed