LC-32LE280X/LC-40LE280X
4 – 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 ) of TU1102 as
specified ?
NO
Check TU1102 and its peripheral circuits.
YES
.
1
0
3
3
C
I
&
2
0
1
1
U
T
n
e
e
w
t
e
b
ti
u
c
r
i
c
e
h
t
k
c
e
h
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 (6) of IC3301?
NO
Check the line between pin (2) of J502 and pin (6) of IC3301.
YES
NO
Check IC3301 and its peripheral circuits to SC3802 (32”) /
SC3801(40”)
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(78-95)of IC3301 to SC3801(32”)/SC3802(40”)
Check IC3301 and its peripheral circuit to SC3802
(32”)/SC3801(40”)
No external input video onscreen < INPUT 3 >
3s
Select INPUT 3 on the input select menu screen to pick
up the right input signal.
Is there IF input at pin 16 & 17 of IC3301 ?
Are there the signal outputs pin (78-95 ) of IC3301 to SC3802
(32”) / SC3801 (40” ) ?
Summary of Contents for LC-32LE280X
Page 41: ...LC 32LE280X LC 40LE280X 6 5 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT SYMBOL B ...
Page 42: ...LC 32LE280X LC 40LE280X 6 6 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT CHIP ...
Page 43: ...LC 32LE280X LC 40LE280X 6 7 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT PATTERN ...
Page 45: ...LC 32LE280X LC 40LE280X 6 9 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT SYMBOL B ...
Page 46: ...LC 32LE280X LC 40LE280X 6 10 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT CHIP ...
Page 47: ...LC 32LE280X LC 40LE280X 6 11 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT PATTERN ...
Page 66: ...LC 32LE280X LC 40LE280X 15 ...
