4T-C6070AH1X
6 – 2
With [RF] signal input
No video onscreen (1)
No video in the UHF/VHF reception
Is there IF output from the tuner pin(6,7,8,9) of TU1101 as
specified ?
NO
Check TU1101 and its peripheral circuits.
YES
.
1
0
3
3
C
I
&
1
0
1
1
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C
O
N
YES
NO
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
With <Video> signal input
No video onscreen (2)
Is INPUT
elected on the input select menu screen?
NO
YES
Is there the video signal input at pin (33) of IC3301?
NO
Check the line between pin (8) of J502 and pin (33) of IC3301.
YES
NO
Check IC3301 and its peripheral circuits to SC3801
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
Are there the signal outputs pin ( 137-146 ),Pin(149-154),
Pin(156-157)
Are there the signal outputs (pin of IC3301 to SC 3801) ?
Is there IF input at pin 60 & 61 of IC3301 ?
Pin (137-146),Pin (149-154),Pin(156,157 )
Check IC3301 and its peripheral circuit to SC3801
No external input video onscreen < INPUT 3 >
3s
Select INPUT 3 on the input select menu screen to pick
up the right input signal.
Summary of Contents for 4T-C60AH1X
Page 6: ...4T C6070AH1X 3 1 CHAPTER 3 OPERATION 1 OPERATION ...
Page 34: ...4T C6070AH1X 7 5 ...
Page 35: ...4T C6070AH1X 7 6 ...
Page 36: ...4T C6070AH1X 7 7 ...
Page 37: ...4T C6070AH1X 7 8 ...
Page 38: ...4T C6070AH1X 7 9 ...
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