Service manual

ViewSonic Corporation
53
Defect Mode Failure Analysis Repair Testing
Display Shut
Down
Check PCBA
Check Panel
Display Flicker
((tapping )
Check PCBA
Check Panel
AD/B Change
AD/B Change
Power/B Change
Panel Change
CNT/B Change
CNT/B Change
Other Abnormal
Display
N
ext Step
TEST
NG
Complete
TV Function
Display
Abnormal
※ “ Panel Change” Should be Performed to Level 3 Repair
stage
Panel Change
Check PCBA
Check Wire
TV /B Change
AV Cable Change
Remote controller
Change
Check Controller
DVI Signal
Display
Abnormal
Check PCB
Check PCB
Check PCB
Check
EDID Code
AD/B Change
EDID Update
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