Signal Troubleshooting
Computer
No Signal
Check
Source
OK
Check
Cable
OK
Check
Output signal
ViewSonic Corporation
Turn on
NG
Source
Replace
NG
Cable
Replace
NG
Main board
Video
No Signal
Check
Source
OK
Check
Cable
OK
Check
Main board
31
Confidential - Do Not Copy
Turn on
NG
Source
Replace
NG
Cable
Replace
NG
Main board
PJD5112