ViewSonic VA1912W Service Manual - Page 46

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Defect Mode Failure Analysis Repair Testing ※ " Panel Change" Should be Performed to Level 3 Repair Other Abnormal Display Display Shut Down Display Flicker ((tapping ) Check PCBA Check Panel Check PCBA Check Panel AD/B Change Power/B Change CNT/B Change Panel Change AD/B Change CNT/B Change Panel Change DVI Signal Display Abnormal TV Function Display Abnormal Check PCB Check EDID Code AD/B Change EDID Update Check PCBA Check Wire Check Controller TV /B Change AV Cable Change Remote controller Change NG Next Step TEST Complete ViewSonic Corporation 43 Confidential - Do Not Copy VA1912w-2_VA1912wb-2

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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
Next Step
TEST
NG
Complete
TV Function
Display
Abnormal
※
“ Panel Change” Should be Performed to
Level 3
Repair
Panel Change
Check PCBA
Check Wire
TV /B Change
AV Cable Change
Remote controller
Change
Check Controller
DVI Signal
Display
Abnormal
Check PCB
Check EDID Code
AD/B Change
EDID Update
ViewSonic Corporation
43
Confidential - Do Not Copy
VA1912w-
2
_VA1912wb-
2