Service manual

ViewSonic Corporation Confidential - Do Not Copy
64
Defect Mode Failure Analysis Repair Testing
Check PCBA
Power on
Display
Abnormal
Flicker
Next Step
TEST
NG
A
Completed
AD/B Change
CNT/B Change
Inverter/B Change
Power/B Change
Check Panel
Display Noise
Beat Display
Shut Down
Beat Display
Flicker
No Backlight
Display Wave
B
Panel Change
Adapter Change
Check Adapter
※ “ Panel Change” Should be Performed to Level 3 Repair stage
Check PCBA
AD/B Change
Power/B Change
CNT/B Change
Check Panel
Panel Change
VX2245wm-1