CONFIDENTIAL – DO NOT COPY
Page 9-1
File No. SG-292
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Chapter 9 Trouble shooting
MONITOR
DISPLAY
NOTHING
(PC
MODE)
Start
LED is lighted
(Orange
green)
1.
Is Power board 5VSB (F1)?
2. Is J1 connector of MB good?
3. Is
DC-DC
OK?
4.
Is U22 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 VGA SOG rout if analog (SOG) (C132)
Panel has no data
out?
It means data to LVDS
1. Is J8 connecting OK?
2. Check J1 +5VSB (F1)&+12V (F2)
3. Is panel ok?
4. Check P5 D-sub Input correct
5.
Check analog input route
END
