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Chapter 9
MONITOR DISPLAY NOTHING (PC MODE)
LED is lighted
(Orange
I
LED is lighting?
Panel has no data
out?
END
CONFIDENTIAL
DO NOT COPY
–
Trouble solvents
Start
N0
green)
Yes
N0
N0
Yes
Yes
N0
Yes
1.
Is PSU output good? (check note2)
2.
Is Power board output +5V(F2)?
3.
Is J1，J9，J2 connector of MB good?
4.
Is J1，J2，J9 connector of Daughter BD good?
5.
IR/Display good? (check note1)
6.
Is DC-DC OK?
7.
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)
It means data to LVDS
1. Is J7 connecting OK?
2. Check J7 Pin23 to high
3. Is panel ok?
4.
Check P3 D-sub Input correct
5. Check analog input route
Page 9-1
File No. SG-0221
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