ViewSonic VA1912w - Page 45

Defect Mode Failure Analysis Repair Testing
※ “ Panel Change” Should be Performed to Level 3 Repair stage
B
Display White
Out
Check PCBA AD/B Change
Power/B Change
Booting Delay
Check PCBA
Inverter/B Change
Brightness
Even
Abnormal
OSD/B Change
Power/B Change
Check PCBA
Inverter/B Change
Beat Display
N
o Backligh
t
Panel Change
Check Panel
Check Adapter
Adapter Change
N
o signal
AD/B Change
CNT/B Change
Check PCBA
R.G.B
Display
Abnormal
VGA cable Change
Check Wire
DVI cable Change
Gray Scale
Display
Abnormal
Panel Change
Check Panel
NG
TEST
Next Step
C
Completed
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