ViewSonic Corporation
Confidential - Do Not Copy
6
4
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
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