Read LG 37LG50D (CHASSIS:LE81D) Service Manual online
- 17 -
BLOCK DIAGRAM
An
a
lo
g
Au
d
io
Si
g
n
a
l
An
a
lo
g
Vi
d
e
o
Si
g
n
a
l
I2
S
Au
d
io
Si
g
n
a
l
Dig
it
a
l
Vi
d
e
o
Si
g
n
a
l
S
T
i710
9
M
P
E
G
D
e
c
ode
r
DDR
256M
B*
4
F
la
s
h
16M
B
S
29G
L
1
28N
90
To
ri
n
o
Di
g
it
a
l
An
a
lo
g
Tu
n
e
r
DD
R
128M
B
*
2(
H
D
) o
r
25
6M
B*
2(
F
H
D
)
Fl
a
s
h
4
M
B
MX
2
9
L
V
AV
S
/
W
C
X
A
2069
Au
d
io
Pr
o
& A
m
p
To M
S
P(
S
IF
)
To MS
P
To MS
P
To
A
V
S/
W
To
M
S
P
I
2
S_
D
T
V
LV
D
S
P
in
R
S
232C
Sp
e
a
k
e
r
MS
P
Fr
o
m
C
o
m
p
1
,2
Fr
o
m
AV
S
/
W
F
ro
m
T
une
r
(S
IF
)
Fr
o
m
R
G
B
I
2
S_
H
D
M
I
RG
B 2
4
b
it
s
RG
B 2
4
b
it
s
I
2
S
MUX
HDM
I
SPD
IF
_
M
SP
I
2
S M
U
X
O
u
t
MN
T
(
R
±
,L
±
)
OP
A
m
p
To
A
V
S/
W
(
M
N
T
R
/
L
)
SP
D
IF
O
u
t
To
ST
i
(TS
D
a
ta
8
)
Fr
o
m
T
u
n
e
r
(T
S
D
a
ta
8
)
To MS
P
Fr
o
m
M
S
P
Fr
o
m
O
P
Am
p
(M
N
T
R
/
L
)
To
A
V
S/
W
(A
V
I
N
)
F
ro
m
AV
IN
Si
d
e
A
/
V
Fr
o
m
MN
T
O
U
T
To
A
V
S/
W
(M
N
T
O
U
T
)
SP
D
IF_
D
T
V
To AV
S/
W
(C
V
B
S
_
O
U
T
)
Fr
o
m
S
T
i
(C
V
B
S
_
O
U
T
)
De
m
o
d
IC
DDR
DI
F
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