![background image](http://html.mh-extra.com/html/samsung/sch-a212/sch-a212_service-manual_1189794019.webp)
SAMSUNG Proprietary-Contents may change without notice
3-1
3. SCH-A212 Block Diagram
C
H
A
N
N
E
L
C
O
D
E
C
C
P
U
A
R
M
7
V
O
C
O
D
E
R
V
it
e
r
b
i
D
E
C
O
D
E
R
M
O
D
U
L
A
T
O
R
&
D
e
m
o
d
.
U
A
R
T
2
5
6
K
E
E
P
R
O
M
L
C
D
M
O
D
U
L
E
K
E
Y
F
P
C
A
S
S
’Y
C
O
D
E
C
3
2
M
/
4
M
M
E
M
O
R
Y
V
C
O
1
/2
T
X
IF
P
L
L
V
C
O
1
/2
2
6
0
.7
6
M
H
z
T
A
N
K
C
I
R
C
U
IT
V
C
T
C
X
O
1
9
.6
8
M
H
z
1
7
0
.7
6
M
H
z
T
A
N
K
C
I
R
C
U
IT
P
L
L
V
C
O
A
N
T
E
N
N
A
D
U
P
L
E
X
E
R
B
U
F
F
E
R
B
U
F
F
E
R
82
4.
64
~
84
8.
37
M
H
z
8
69
.6
4
~
8
9
3.
37
M
H
z
L
N
A
95
5.
02
~
97
8.
75
M
H
z
9
55
.0
2
~
97
8.
7
5M
H
z
F
c
=
1
3
0
.3
8
MHMH
Z
IF
A
M
P
M
H
z
F
c
=
8
5
.3
8
3
.6
V
B
A
T
T
E
R
Y
3
.0
M
C
R
E
C
E
IV
E
R
U
n
it
M
IC
M
S
M
.
3
.0
M
A
D
R
IV
E
R
3
.0
M
P
3
.0
IF
3
.0
S
Y
N
C
O
U
P
L
E
R
R
F
T
3
1
0
0
I
F
R
3
0
0
0
L
O
C
K
S
E
N
S
IN
G
4
M
S
R
A
M
3
.
0
T
C
X
O
3
.
0
T
X
3
.
0
R
X
P
.A
P
M
1
0
0
0
P
A
M
VCCVCC