ViewSonic VS11422 Service Manual page 61

ViewSonic Corporation
Failure Analysis
※ " Panel Change" Should be Performed to
B
Display White
Out
Booting Delay
Brightness
Even
Abnormal
Beat Display
No Backlight
No signal
R.G.B
Display
Abnormal
Gray Scale
Display
Abnormal
C
Check PCBA
Check PCBA
Check PCBA
Check Panel
Check Adapter
Check PCBA
Check Wire
Check Panel
Next Step
Confidential - Do Not Copy
58
Repair
Level 3
AD/B Change
Power/B Change
Inverter/B Change
OSD/B Change
Power/B Change
Inverter/B Change
Panel Change
Adapter Change
AD/B Change
CNT/B Change
VGA cable Change
DVI cable Change
Panel Change
NG
Completed
VG2230wm-1
Testing
Repair stage
TEST