ViewSonic VG2021m-1 - Page 53

ViewSonic Corporation
50
Defect Mode Failure Analysis Repair Testing
Horizontal
Line Defect
Vertical
Weak Line
Peculiar Smell
Check PCB
Check PCBA
Check Panel
Horizontal
Weak Line
Next Step
TEST
NG
AD/B Change
Panel Change
Horizontal
Band Defect
C
Vertical
Band Defect
Power Saving
Display
Abnormal
Check PCB
Check PCBA
AD/B Change
Inverter/B Change
Power/B Change
Check PCB
Check PCBA
AD/B Change
※ “ Panel Change” Should be Performed to Level 3 Repair
stage
Complete
VG2021m-1 Confidential - Do Not Copy