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LC-32LE265T / LC-40LE265T
No sound in the UHF/VHF reception.
Is the IF output from the tuner pin(8) & (9)
of TU1102 as specified ?
Is there the 12C signal input a t pins (W4 ), (W5) of IC3301?
I
t s
e h
e r
a
d u
o i
i s
n g
l a
n i
p t
u
a t
p t
Is the L-ch audio signal output at pin (26),(27)
of IC1702 normal?
Is the R-ch audio signal output at pin (10
of IC1702 normal?
Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of
P1702 normal?
Check speakers and their peripheral circuits.
No audio heard (1)
YES
YES
( n i
) 6
f o
C I
1
0 7
? 2
YES
(30),(31)
(11), (14)
(15),
YES
YES
NO
Check TU1102 and its peripheral circuits.
NO
Check IC3301 and its peripheral circuits.
N
O
C
e h
k c
o c
n n
e
i t c
n o
peripheral circuits.
NO
Check IC1702 and its peripheral circuits.
NO
Check circuit between IC1702 & P1701.
4 – 4
e b
w t
e
n e
C I
3
0 3
1
a
d n
C I
1
0 7
2
a
d n
s t i
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