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With [RF] signal input
No video in the UHF/VHF reception
Is there IF output from the tuner pin(6,7,8,9) of TU1101 as
specified ?
YES
Is there IF input at pin 60 & 61 of IC3301 ?
YES
Are there the signal outputs (pin of IC3301 to SC 3801) ?
Pin (137-146),Pin (149-154),Pin(156,157 )
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
With <Video> signal input
No external input video onscreen < INPUT 3 >
3s
Is INPUT
elected on the input select menu screen?
YES
Is there the video signal input at pin (33) of IC3301?
YES
Are there the signal outputs pin ( 137-146 ),Pin(149-154),
Pin(156-157)
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
No video onscreen (1)
NO
Check TU1101 and its peripheral circuits.
N
O
C
NO
Check IC3301 and its peripheral circuit to SC3801
No video onscreen (2)
NO
NO
NO
6 – 2
h
e
k c
h t
e
i c
c r
u
t i
b
t e
w
e
e
n
T
U
1 1
0
1
&
C I
3
3
Select INPUT 3 on the input select menu screen to pick
up the right input signal.
Check the line between pin (8) of J502 and pin (33) of IC3301.
Check IC3301 and its peripheral circuits to SC3801
2T-C45AE1X
0
. 1
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