Samsung sch-880 Service Manual
7-1
7. Block Diagram
Samsung Electronics
S
C
H
-850
0(
DB
DM
)
B
L
O
CK
DI
AG
R
A
M
LN
A
RX
AG
C
VC
O
AM
P
S
D
U
P
LE
XER
PL
L
VC
T
CXO
TX
AG
C
A/
D
FI
LT
E
R
A/
D
FI
LT
E
R
D/
A
FI
LT
E
R
PL
L
MS
M3
0
0
0
VC
O
VC
O
DI
VI
DE
2
DI
VI
DE
2
I
I
Q
Q
LN
A
PA
PA
DA
VC
O
PC
S
D
U
P
LE
XER
ANT
PC
S
1
9
3
0
~
19
90
M
H
z
A
M
PS
86
9~
8
9
4
M
H
z
PC
S
2
1
0
.38
M
H
z
A
M
PS
85
.38
M
H
Z
PC
S
1
8
5
0
~
19
10
M
H
z
A
M
PS
82
4~
8
4
9
M
H
z
ISO
IF
R
300
0
PC
S
/CDM
A
AM
P
S
ISO
IF
T
3000
PC
S
/A
M
PS
13
0.
38
M
H
z
DA
P
L
L
m
odul
e
RX
AG
C
PCS
AM
P
S
Q/
I
PCS
PCS
PCS
AM
P
S
AM
P
S
AM
P
S
Me
m
o
ry
[32M
&
4
M
]
C
o
de
c
K
e
yp
ad
LC
D
Rx
ta
n
k
Tx
T
ank
MR
F
IC
185
4
PA
M
o
du
le