CONFIDENTIAL
–
DO NOT COPY
Page 9
-
1
File No. SG-0221
N0
Yes
N0
N0
Yes
N0
Yes
Yes
Chapter 9 Trouble solvents
MONITOR
DISPLAY
NOTHING
(PC
MODE)
I
Start
LED is lighted
(Orange
Î
green)
1.
Is PSU output good? (check note2)
2.
Is Power board 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?
LED is lighting?
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)
Panel has no data
out?
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
END
