ViewSonic VA1912w-2 Service Manual page 42

B
C
ViewSonic Corporation
Failure Analysis
※ " Panel Change" Should be Performed to
Display White
Check PCBA
Out
Booting Delay
Check PCBA
Brightness
Even
Abnormal
Check PCBA
Beat Display
No Backlight Check Panel
Check Adapter
No signal
R.G.B
Display
Abnormal
Gray Scale
Display
Abnormal
Power/B Change
Inverter/B Change
OSD/B Change
Power/B Change
Inverter/B Change
Check PCBA
Check Wire
Check Panel
Next Step
39
Confidential - Do Not Copy
Repair Testing
Level 3
AD/B Change
Panel Change
Adapter Change
AD/B Change
CNT/B Change
VGA cable
DVI cable
Panel Change
NG
TEST
Completed
VA1912w-2_VA1912wb-2
Repair