ViewSonic VA712b-1 Service Manual page 45

Defect Mode
Abnormal BIOS
&OSD
Other Abnormal
Display
ViewSonic Corporation
Failure Analysis
¡° " Panel Change" Should be Performed to
Can't Input
Can't Reader
Display Shut
Down
Display flicker
(tapping )
Check PCB
Check Wire
Check PCB
Check Panel
Check PCB
Check Panel
Next Step
Confidential - Do Not Copy VA712-1_VA712b-1
42
Repair Testing
Level 3
Repair stage
AD/B Change
CNT/B Change
D-sub cable change
AD/B Change
P/B Change
CNT/B Change
Panel Change
AD/B Change
CNT/B Change
P/B Change
NG
TEST
Completed