CONFIDENTIAL
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DO NOT COPY
Page 9-1
File No. SG-0000034
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Chapter 9 Trouble shooting
MONITOR
DISPLAY
NOTHING
(PC
MODE)
Start
AC power is ON?
1. Is Power board output
+5VSB ?
2.
Is J4 connector good?
3. Is
fuse(F1)
OK?
LED is white?
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)
Is backlight on?
1. Check J4 PIN14 and PIN12
2.
Are fuse( F2 ) OK?
3. Is Power Board ok?
U15 data out?
It means no data to LVDS
1. Check U15 :DV33 & VCCK &
AV_3V3 & AV125 & DDRV
2. Check Y1 is OK?
END
1. Check TCN1 & TCN2 Connect is good?
2. Is panel working ok?
Содержание 42LV4400
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