ViewSonic VA1912w - Page 44

Defect Mode Failure Analysis Repair Testing
Panel Change
Power on
Display
Abnormal
Flicker
B
N
o Backligh
t
Display Wave
Adapter Change
Check Adapter
Check PCBA
AD/B Change
Power/B Change
CNT/B Change
Panel Change
Check Panel
A
AD/B Change
CNT/B Change
Inverter/B Change
Check Panel
Display Noise
Beat Display
Shut Down
Abnormal
Check PCBA
Beat Display
Flicker
Power/B Change
Completed
NG
TEST
Next Step
※ “ Panel Change” Should be Performed to Level 3 Repair stage
41
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