ViewSonic VS11422 Service Manual page 60

Defect Mode
ViewSonic Corporation
Failure Analysis
※ " Panel Change" Should be Performed to
A
Display Noise
Power on
Display
Abnormal
Flicker
Beat Display
Flicker
Beat Display
Shut Down
Display Wave
No Backlight
B
Check PCBA
Check Panel
Check PCBA
Check Panel
Check Adapter
Next Step
Confidential - Do Not Copy
57
P/B Change
Repair Testing
Level 3
Repair stage
AD/B Change
Power/B Change
Inverter/B Change
CNT/B Change
Panel Change
AD/B Change
Power/B Change
CNT/B Change
Panel Change
Adapter Change
NG
TEST
Completed
VG2230wm-1