LG 42LB4D, Training Manual

Page: 38 / 44

Directview LCD Training
38
Troubleshooting
AudiO
TrOUBLeShOOTiNG
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SP
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IF
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1
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2
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1
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2
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出
C
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6
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4
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0
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pt
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D
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/3
C
he
ck
C
S8
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1
6
(
IC
5
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)
in
pu
ts
H
D
M
I_
SP
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IF
(
C
5
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0
5
)
Fo
llo
w
t
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p
ro
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du
re
o
f
“
C
O
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M
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”
C
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ck
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ST
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3
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1
(
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4
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2
)
o
ut
pu
t
H
D
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SP
D
IF
(
R
4
0
9
)
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he
ck
H
D
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ab
le
C
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ck
X
2
6
0
(
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1
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)
In
p
ut
s
SC
LK
(R
1
7
5
),
L
R
C
LK
(R
1
7
6
),
D
A
T
A
(R
1
7
7
)
C
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ck
C
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4
1
6
(
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o
ut
pu
ts
D
A
T
A
(#
2
6
),
S
C
LK
(#
2
7
),
LR
C
LK
(#
2
8
)