Samsung SGH-Z320i, Service Manual

Page: 30 / 64

SAMSUNG Proprietary-Contents may change without notice
SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2- 27
This Document can not be used without Samsung's authorization
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
C
8
0
8
L
81
3
C
8
0
6
C
8
0
3
C
80
2
2 G
5 G
IN
1
3
O
U
T
4
O
U
T
R
8
0
0
F
80
1
R
8
0
4
L
8
1
4
C
8
0
0
C
80
5
4 X R
4 2
0
X R T
T
X
1
13
T
X
2
11
V
D
D
2
5
C N
10
14
C N
C N
15
16
7 C N
17
C N
C N
1
8
1 X R
5
2
2 X R
3
3 X R
G
N
D
2
4
G
N
D
3
0
G
N
D
3
2
7
C N
2
9
N
C
3
1
N
C
C N
8
9
C N
2
7
C
T
L-
B
C
T
L-
C
2
8
D N G
1
6
D N G
G
N
D
12
D N G
19
21
D N G
23
D N G
U
8
00
T N A
22
C
T
L-
A
2
6
F
80
0
2 G
5 G
IN
1
3
O
U
T
4
O
U
T
L
8
12
C
8
0
1
L8
0
6
L
8
04
L
8
02
L
8
0
9
R
8
0
2
L
8
0
7
L
8
1
1
A
N
T
_
G
N
D
L
80
8
C
3
G
1
G
4
G
IN
1
3
O
U
T
4
O
U
T
R
F
S
80
0
2
A
F
80
2
2 G
5
L
8
0
1
L
8
0
5
R
F
R
X
1_
2.
85
V
R
8
0
1
C
8
0
4
C
8
0
9
L8
0
3
C
8
0
7
A
N
T
_
P
A
D
3
.9
n
H
L
8
16
D
C
S
_
R
X
N
P
C
S
_
R
X
N
P
C
S
_
R
X
P
A
N
T
_S
E
L0
_N
A
N
T
_S
E
L1
_N
U
M
T
S
_A
N
T
D
C
S
_
R
X
G
S
M
_
R
X
P
C
S
_
R
X
X R _ M S G
X R _ S C D
X R _ S C P
G
S
M
_T
X
D
C
S
_T
X
A
N
T
_S
E
L2
_N
T N A
D
C
S
_
R
X
P
G
S
M
_R
X
N
G
S
M
_R
X
P