LG 32LN570B (CHASSIS:LT33B) Service Manual ▷ View online
- 25 -
BLOCK DIAGRAM
Au
dio
A
M
P
(N
TP
75
13
)
M
TK
A
2
IF
(+
/-)
U
SB
1
O
PT
IC
LA
N
D
D
R
3 1
60
0 X
1
6
(5
12
M
B
X
2
EA
)
H
D
M
I1
H
D
M
I2
H
D
M
I3
SY
ST
EM
E
EP
R
O
M
(2
56
K
b)
H
D
M
I
M
U
X
Air
/
C
ab
le
TU
N
ER
(T
/C
/A
)
TU
N
ER
(S
2)
D
VB
-S
D
EM
O
D
(S
2)
LN
B
U
SB
2
U
SB
3
41
P
51
P
eM
M
C
(4
G
B
)
Su
b M
ic
om
(R
EN
ES
AS
R
5F
10
00
G
)
D
D
R
3
16
00
X
1
6
(2
56
M
B
X
1
EA
)
P_
TS
50
P
50
P
X_
TA
L
27
M
H
z
T/C
/S
2 W
ith
ou
t A
TV
T/C
/S
2 W
ith
ou
t A
TV
#E
PI
&
L
VD
S D
ia
gr
am
A
B
H
D
C
P E
EP
R
O
M
(1
6K
b)
X_
TA
L
32
.7
68
K
H
z
I2
S O
ut
I2
C
1
EP
I
I2
C
2
LV
D
S
U
SB
I2
C
5
I2
C
1
H
/P
AV
/C
O
M
P
Tu
ne
r :
I2
C
6
D
VB
-S
: I
2C
4
O
C
P
2.5
A
O
C
P
1A
(H
D
D
)
M
H
L 1
A
SIL
12
92
M
H
L :
I2
C
4
M
H
L
사
용
시
R
E
A
R
S
I
D
E
S
I
D
E
R
E
A
R
(H
)
AM
P
TI
C
VB
S/Y
Pb
Pr
C
VB
S/R
G
B
SP
D
IF
O
U
T
ET
H
ER
N
ET
I2
C
3
LO
C
AL
D
IM
M
IN
G
B
LU
TO
O
TH
IR
PM
IC
LE
VE
L
SH
IF
TE
R
W
IF
I
K
EY
LO
G
O
L
IG
H
T
SU
B
AS
SY
I2
C
1
U
AR
T
IR
K
EY
U
SB
_W
IF
I
Au
dio
A
M
P
(N
TP
75
13
)
M
TK
A
2
IF
(+
/-)
U
SB
1
O
PT
IC
LA
N
D
D
R
3 1
60
0 X
1
6
(5
12
M
B
X
2
EA
)
H
D
M
I1
H
D
M
I2
H
D
M
I3
SY
ST
EM
E
EP
R
O
M
(2
56
K
b)
H
D
M
I
M
U
X
Air
/
C
ab
le
TU
N
ER
(T
/C
/A
)
TU
N
ER
(S
2)
D
VB
-S
D
EM
O
D
(S
2)
LN
B
U
SB
2
U
SB
3
41
P
51
P
eM
M
C
(4
G
B
)
Su
b M
ic
om
(R
EN
ES
AS
R
5F
10
00
G
)
D
D
R
3
16
00
X
1
6
(2
56
M
B
X
1
EA
)
P_
TS
50
P
50
P
X_
TA
L
27
M
H
z
T/C
/S
2 W
ith
ou
t A
TV
T/C
/S
2 W
ith
ou
t A
TV
#E
PI
&
L
VD
S D
ia
gr
am
A
B
H
D
C
P E
EP
R
O
M
(1
6K
b)
X_
TA
L
32
.7
68
K
H
z
I2
S O
ut
I2
C
1
EP
I
I2
C
2
LV
D
S
U
SB
I2
C
5
I2
C
1
H
/P
AV
/C
O
M
P
Tu
ne
r :
I2
C
6
D
VB
-S
: I
2C
4
O
C
P
2.5
A
O
C
P
1A
(H
D
D
)
M
H
L 1
A
SIL
12
92
M
H
L :
I2
C
4
M
H
L
사
용
시
R
E
A
R
S
I
D
E
S
I
D
E
R
E
A
R
(H
)
AM
P
TI
C
VB
S/Y
Pb
Pr
C
VB
S/R
G
B
SP
D
IF
O
U
T
ET
H
ER
N
ET
I2
C
3
LO
C
AL
D
IM
M
IN
G
B
LU
TO
O
TH
IR
PM
IC
LE
VE
L
SH
IF
TE
R
W
IF
I
K
EY
LO
G
O
L
IG
H
T
SU
B
AS
SY
I2
C
1
U
AR
T
IR
K
EY
U
SB
_W
IF
I
- 26 -
1.
2V
C
ore
D
C
D
C
6
A
35
00
m
A
3.
3V
M
ulti
D
C
D
C
4
A
20
00
m
A
1.8
V T
U
N
ER
LD
O
1
A
24
0m
A
1.2
5V
T
U
N
ER
LD
O
2
A
60
0m
A
24
V
12
V
3.5
VS
T
64
0m
A
A
M
P
32
30
m
A
1.5
V D
D
R
LD
O
2
A
65
0m
A
5V
U
U
SB
D
C
D
C
5
A
30
00
m
A
39
0m
A
W
O
L/W
O
W
40
0m
A
M
IC
O
M
,E
TC
15
m
A
10
65
m
A
73
0m
A
LN
B
o
pti
on
LN
B
70
0m
A
60
0m
A
13
30
m
A
PA
N
EL
15
00
m
A
45
.6
W
3.5
W
37
.9
W
- 27 -
24
V
5V
U
U
SB
TPS5
45
45
0
5A
30
00
m
A
O
C
P
2C
H
O
C
P
O
C
P
U
SB
1
U
SB
2
U
SB
3
M
H
L
Net
Cast
Cast
4.0
- 28 -
12
V
1.
2V
C
ore
D
C
D
C
6A
52
60
m
A
M
TK
-A
2
Net
Cast
Cast
4.0
M
H
L
Click on the first or last page to see other 32LN570B (CHASSIS:LT33B) service manuals if exist.