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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-
34
This Document can not be used without Samsung's authorization
**If you check the RF chain,
Check the not only RF Device but also resistor, inductor and capacitor.
F
7
02
2
G
N
D
1
G
N
D
2
4
1
IN
3
O
U
T
T
A
70
0
6
G
7
9
7
G
1
0
8
G
9
G
12
5
R
X
1
1
T
X
A
N
T
8
1
1
G
13
0 1
G
2
G
2
3
3
G
4
G
4
6
5
G
D
U
F
6
00
C
70
6
R
7
01
L
70
6
C
70
1
C
7
04
R
70
5
R
71
1
C
70
2
V
B
A
T
C
70
5
C
7
03
L
70
7
C
7
07
C
7
00
5
V
D
D
2
V
D
D
3
1
0
12
1
3
D
N
G
D
N
G
1
41
5
D
N
G
R
F
IN
2
R
F
O
U
T
8
V
C
T
L
4
1
V
D
D
1
P
A
M
7
00
3
G
N
D
D
N
G
1
6
G
N
D
6
7
G
N
D
9
G
N
D
1
1
D
N
G
D
N
G
R
70
0
U
M
T
S
_
A
N
T
P
A
_
O
N
0
U
M
T
S
_T
X
R
F