LC-32LE280X/LC-40LE280X
4 – 4
No audio heard (1)
No sound in the UHF/VHF reception.
NO
Check TU1102 and its peripheral circuits.
YES
Is there the signal input at pins (98), (99) of IC3301?
NO
Check IC3301 and its peripheral circuits.
YES
s
ti
d
n
a
2
0
7
1
C
I
d
n
a
1
0
3
3
C
I
n
e
e
w
t
e
b
n
o
it
c
e
n
n
o
c
k
c
e
h
C
O
N
(1,2,3,4) of IC1702 ?
n
i
p
t
a
t
u
p
t
n
i
l
a
n
g
i
s
o
i
d
u
a
e
r
e
h
t
s
I
peripheral circuits.
YES
Is the L-ch audio signal output at pin (8),(13)
NO
Check IC1702 and its peripheral circuits.
of IC1702 normal?
YES
Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of
P1701 normal?
NO
Check circuit between IC1702 & P1701.
YES
Check speakers and their peripheral circuits.
of IC1702 normal?
Is the R-ch audio signal output at pin (19) ,(23)
Is the IF output from the tuner pin(6,7,8,9)
of TU1102 as specified ?
I
2
c
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 ...
