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With <Component> signal input
No external input video onscreen <INPUT
Is INPUT 3 selected on the input select
menu screen ?
Are there the Y, CB and CR signal inputs at pins (29), (28) and
(31) of IC 3301 respectively?
Are there the signal outputs
Pins (137-146),Pins (149-154),Pins (156,157)
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
With <HDMI1/HDMI2> signal input
No external input video onscreen HDMI1 /HDMI2
Is <HDMI 1/HDMI2 )
selected on the menu screen ?
Are there signal outputs from SC1501/SC1502 to
IC3301 ?
A
e r
h t
r e
t e
e h
i s
n g
l a
u o
p t
t u
s Pins ( 137-146 ),Pins (149-154),
Pins (156,157),
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
No video onscreen (3)
3>
YES
YES
YES
No video onscreen (4)
YES
YES
YES
NO
Select INPUT 3 on the input select menu screen to pick
up the right input signal .
NO
Check the line between pins (8)/(10)/(13 )of J502 and pins (28/
(29) /(31) of IC3301.
NO
Check IC3301 and its peripheral circuits.
NO
Select <HDMI1 / HDMI2 >
select menu screen to pick up the right signal
input
NO
Select <HDMI1/HDMI2>
select menu screen to pick up the right signal
input
N
O
C
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C I
3 3
1 0
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p
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