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
42
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VA712-1_VA712b-1