LG RT-29CC25VX, Service Manual

Page: 18 / 29

BLOCK DIAGRAM
- 18 -
[ P
o
w
e
r ]
[ P
o
w
e
r ]
110
V
(F
la
t)
120
V
(N
o
rm
a
l)
14
V
12
33
V
13 16 18
17
V
S
o
und
Vc
c
6.
5
V
78
R
0
5
78
S
0
6
H-
D
R
IV
E
FB
T
PR
E
-A
M
P
EE
P
R
O
M
LE
D
T
D
A
610
9
Tu
n
e
r
(M
a
in
)
VC
T
4
9
X
Y
I
3.
3
V
SD
A
-
9
4
8
9
X
(P
IP
P
ro
c
e
s
s
o
r
)
L
A
72
22
(A
u
d
io
S
w
it
c
h
)
EY
E
(O
p
t.
)
Ti
lt
(O
p
t.
)
STK3
9
6-1
1
0
(V
M
I
C
)
SM
P
S
TR
A
N
S
ST
5
V
12
V
PI
P
&
AV
S
W
(O
P
T
.)
3.
3
V
5V
Tu
n
e
r
(S
u
b
)
Re
la
y
VM
20
0V(
F
B
T
)
LA
7
8
4
5
(V
-A
M
P
)
14
V
(F
B
T
)
EW
A
M
P
28
V
(F
B
T
)
T
802
IC
1
1
L
A
42
152
So
u
n
d
A
M
P
IC
6
0
1
L
A
42
152
So
u
n
d
A
M
P
IC
6
0
1
ICP
0
1
IC
602
IC
901
HI
C
9
2
0
ST
-1
.8
V
ST
-3
.3
V
3.3 V
8V
S T -1 .8 V
S T -3 .3 V
5V
9V
14
V
17
V
5V
14
V
14
V
IC8
2
4
IC8
5
3
IC8
2
5
IC8
2
1
IC8
2
2
IC
P
0
2
11