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ViewSonic Corporation
Confidential-Do Not Copy
VA912/b-3
45
Defect Mode
Failure Analysis
Repair
Testing
Can’t Input
Check PCB
Can’t Reader
Check Wire
Display Shut
Down
Check PCB
Check Panel
Display flicker
(tapping )
Check PCB
Check Panel
Next Step
※
“ Panel Change” Should be Performed to
Level 3
Repair stage
AD/B Change
AD/B Change
AD/B Change
P/B Change
Panel Change
CNT/B Change
P/B Change
CNT/B Change
CNT/B Change
D-sub cable change
Abnormal BIOS
&OSD
Other Abnormal
Display
TEST
NG
Completed
Содержание VA912/b-3
Страница 26: ...ViewSonic Corporation Confidential Do Not Copy VA912 b 3 23 Figure 5 FIGURE 8 FIGURE 7 FIGURE 6 FIGURE 5...
Страница 36: ...ViewSonic Corporation Confidential Do Not Copy VA912 b 3 33 Step 3 Remove Power PCBA Step 4 Completed...
Страница 69: ...ViewSonic Corporation Confidential Do Not Copy VA912 b 3 11 PCB Layout Diagrams 66...