LG 32LV2400 / LC320EXG-RDA2-KR1 Service Manual ▷ View online
CONFIDENTIAL – DO NOT COPY
Page 8-5
File No. SG-0000036
YCbCr
1. 100% color bar 標準信號
(Component _ Y)
1. 100% color bar 標準信號
(Component _ Y)
(Component
_
Pb)
(Component
_
Pr)
CONFIDENTIAL – DO NOT COPY
Page 8-6
File No. SG-0000036
2. 最高頻的 timing 訊號為1黑 1 白或 multi burst 訊號(for CVBS)
(Component _ Y)
(Component _ Y)
(Component
_
Pb)
(Component
_
Pr)
CONFIDENTIAL – DO NOT COPY
Page 8-7
File No. SG-0000036
3. 25% gray 訊號
(Component _ Y DC_ON) (Component _ Y DC_OFF)
(Component _ Y DC_ON) (Component _ Y DC_OFF)
(Component _ Pb DC_ON) (Component _ Pb DC_OFF)
(Component _ Pr DC_ON) (Component _ Pr DC_OFF)
CONFIDENTIAL – DO NOT COPY
Page 9-1
File No. SG-0000036
N0
Yes
N0
N0
Yes
N0
N0
Yes
Yes
Yes
Chapter 9 Trouble shooting
MONITOR
DISPLAY
NOTHING
(PC
MODE)
Start
AC power is ON?
1. Is Power board output
+19V ?
2. Is J7 connector good?
3. Is
fuse(F2)
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 J33 PIN1 and PIN12
2.
Are fuse( F4 ) 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?
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