Read LG 42LT777H (CHASSIS:LA2FZ) Service Manual online
- 26 -
BLOCK DIAGRAM
L
/
R
O
U
T
S
P
D
IF
O
U
T
N
A
N
D
Fl
a
sh
(2
G
B
)
U
S
B
(D
P
/
D
M
)
M
T5
36
9
C
V
B
S
(M
)
D
IF
(+/
-)
U
S
B
1
P
C
-R
G
B
E
x
t
S
P
K
O
P
T
IC
LA
N
1
S
Y
S
T
E
M
D
D
R
3
X
4
(2
G
b
)
H
D
M
I3
H
D
M
I2
Si
de
R
ea
r
R
G
B
,H
/
V
E
th
e
rn
e
t
(R
X
/
T
X
)
C
V
B
S
S
Y
S
T
E
M
E
E
P
R
O
M
X
1
(2
5
6
K
b
)
HD
M
I
S/
W
T
S
_
S
/
P
LV
DS
(8
bi
t)
3
0
P
5
1
P
S
M
A
R
T
b
-
L
A
N
E
th
er
n
et
H
U
B
I
C
D
m
od
.
IC
R
F
M
a
in
A
/V
S
IF
P
ro
:i
d
io
m
R
S
-2
3
2
C
DE
BU
G
PT
C
(M
IC
O
M
)
S/
W
A
/V
1
D
em
od
M
P
I/
S
P
I
E
xt
S
P
K
A
M
P
(F
H
D
)
(H
D
)
H
D
M
I1
C
V
B
S
V
id
e
o
A
u
d
io
V
id
e
o
A
u
d
io
W
i-
F
i
Sp
ea
ke
r
I2
S
O
u
t
A
u
d
io
A
M
P
R
JP
R
J1
2
H
D
CP
E
E
P
R
O
M
PH
Y
Ch
ip
IR
&
K
e
y
LA
N
2
3
7
/
4
2
/4
7
3
2
L
R
M
D
C
/M
D
IO
M
D
C
/M
D
IO
R
ea
r
In
te
lig
e
n
t
S
e
n
so
r
(R
X/
T
X)
I2
C
I2
C
I2
C
L
o
c
a
l D
im
m
in
g
I2
C
I2
C
T
S
_
S
I2
C
A
u
d
io
P
C
-A
u
d
io
U
S
B
2
(H
U
B
)
(A
R
C
)
최
대
동작주
파수
:
8
0
0
M
H
z
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