
CONFIDENTIAL
–
DO NOT COPY
Page 9-1
File No. SG-0268
N0
Yes
N0
N0
Yes
Yes
Chapter 9 Trouble shooting
MONITOR
DISPLAY
NOTHING
(PC
MODE)
Start
LED is lighted
(Orange
Î
green)
1.
Is Power board 5VSB (F6)?
2. Is J1 connector of MB good?
3. Is
DC-DC
OK?
4.
Is U4 pin2 (+3V3SB) 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) (CB192)
Panel has no data
out?
It means data to LVDS
1. Is J5 connecting OK?
2. Check J1 +5VSB (F6) & +12V (F1) (F2)
3. Is panel ok?
4. Check P5 D-sub Input correct
5.
Check analog input route
END