CONFIDENTIAL
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DO NOT COPY
Page 9-1
File No. SG-0298
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Chapter 9 Trouble shooting
MONITOR
DISPLAY
NOTHING
(PC
MODE)
Start
LED is lighted
1. Is Power board output
+5VSB &+12?
2.
Is J1 connector good?
3.
Is DC to DC OK?
4.
Is U1 (+5V) working ok?
LED is lighting?
It is in power saving
1.
Check video cable
2.
Is the timing supported?
3.
Check sync input
4.
Check VGA SOG rout if analog
(SOG)
Is backlight on?
1.Check J1 PIN14
2.Is Power Board ok?
Panel has no data
out?
It means data to LVDS
1.Is J9 & J10 connecting OK?
2.Check +5V & +12V
3.Is panel ok?
4. Check P13 D-sub Input correct
5.
Check analog input route
END
