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Chapter 9
MONITOR DISPLAY NOTHING (PC MODE)
LED is lighted
(Orange)
LED is lighting?
Is backlight on?
U11has no data
out?
END
CONFIDENTIAL – DO NOT COPY
Trouble shooting
Start
N0
Yes
N0
N0
Yes
N0
Yes
Yes
N0
Yes
1.
Is Power board output
+5V(F2)?
2.
Is J1 connector good?
3.
Is DC-DC OK?
4.
Is U8 pin2 (3.3V) working ok?
It is in power saving
1.
Check video cable
2.
Is the timing supported?
3.
Check sync input
4.
Check VGASOG rout if analog
(SOG) (C88)
1.Check J1 PIN 13 (5V)
2.Is inverter ok?
3.Is Power Board ok?
It means data to LVDS
1. Is J7 connecting OK?
2. Check J1 +5V (F2) & +12V (F1)
3. Is panel ok?
4.
Check P3 D-sub Input correct
5. Check analog input route
Page 9-1
File No. SG-0211
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