Service manual

Signal Troubleshooting
Computer
No Signal
Turn on
Source
Replace
Cable
Replace
Main board
OK
OK
NG
NG
NG
Check
Output signal
Check
Cable
Check
Source
Video
No Signal
Turn on
Source
Replace
Cable
NG
NG
NG
OK
OK
Check
Cable
Check
Source
Check
Main board
Replace
Main board
ViewSonic Corporation Confidential - Do Not Copy PJD6211
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