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Chapter 9
MONITOR DISPLAY NOTHING (PC MODE)
LED is lighted
LED is lighting?
Is backlight on?
U14 no data out?
CONFIDENTIAL
DO NOT COPY
–
Trouble shooting
Start
Yes
Yes
Yes
Yes
Yes
END
1.
Is Power board output
N0
+5VSB &DV12?
2.
Is J10 connector good?
3.
Is DC-DC OK?
4.
Is U1 (+5V) working ok?
It is in power saving
N0
N0
1.
Check video cable
2.
Is the timing supported?
3.
Check sync input
4.
Check VGA SOG rout if analog
(SOG)
N0
1.Check J10 PIN14
2.Is Power Board ok?
It means data to LVDS
N0
1.Is J7 connecting OK?
2.Check J1 +5V & +12V
3.Is panel ok?
4.
Check P3 D-sub Input correct
5. Check analog input route
Page 9-1
File No. SG-0228
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