ViewSonic VG2021m-1 Service Manual page 56

Defect Mode
Other Abnormal
Display
ViewSonic Corporation
Failure Analysis
¡° " Panel Change" Should be Performed to
stage
Display Shut
Down
Display Flicker
((tapping )
DVI Signal
Display
Abnormal
Check EDID Code
TV Function
Display
Abnormal
53
Check PCBA
Check Panel
Check PCBA
Check Panel
Check PCB
Check PCB
Check PCB
Check PCBA
Check Wire
Check Controller
Next Step
Confidential - Do Not Copy
Repair Testing
Level 3
Repair
AD/B Change
Power/B Change
CNT/B Change
Panel Change
AD/B Change
CNT/B Change
Panel Change
AD/B Change
EDID Update
TV /B Change
AV Cable Change
Remote controller
Change
NG
TEST
Complete
VG2021m-1