ViewSonic Corporation
49
Failure Analysis
Repair
Testing
Gray Scale
Display
Abnormal
R.G.B
Display
Abnormal
No signal
Display White
Out
Brightness
Even
Abnormal
Next Step
TEST
NG
Completed
B
Booting Delay
C
Beat Display
No Backlight
Check PCBA
AD/B Change
Inverter/B Change
Power/B Change
Check Panel
Check PCBA
Panel Change
Power/B Change
Inverter/B Change
CNT/B Change
AD/B Change
Check PCBA
VGA cable
DVI cable
Check Wire
Check Panel
Panel Change
OSD/B Change
Check PCBA
Adapter Change
Check Adapter
※
“
Panel Change” Should be Performed to
Level 3
Repair
stage
VG2021m-1
Confidential - Do Not Copy
Содержание VG2021m-1
Страница 20: ...ViewSonic Corporation 17 Figure 5 Figure 6 Figure 7 Figure 8 VG2021m 1 Confidential Do Not Copy...
Страница 60: ...ViewSonic Corporation 57 8 Exploded Diagram and Exploded Parts List VG2021m 1 Confidential Do Not Copy...
Страница 72: ...ViewSonic Corporation 69 11 PCB Layout Diagrams VG2021m 1 Confidential Do Not Copy...