Service manual

Defect Mode Failure Analysis Repair Testing
※ “ Panel Change” Should be Performed to Level 3 Repair stage
C
Horizontal
Line Defect
Vertical
Weak Line
Check PCBA
AD/B Change
Horizontal
Weak Line
Vertical
Band Defect
Check Panel
Panel Change
Horizontal
Band Defect
Power Saving
Display
Abnormal
AD/B Change
Check PCBA
AD/B Change
Power/B Change
Peculiar Smell
Check PCBA
Inverter/B Change
NG
TEST
Next Step
Completed
43
ViewSonic Corporation Confidential
-
Do Not Copy VA1912W/Wb