Samsung GT-S5230 Service Manual page 30

Flow Chart of Troubleshooting
C 4 2 3
F M _ A N T
V B A T D C _ N I
1 0 0 5
Z D 4 0 0
F I C 4 0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8 R 4 1 2
8
9
9
1 0
1 0
1 1
1 1
1 2
1 2
1 3
1 3
1 4
1 4
1 5
1 5
1 6
1 6
1 7
1 7
R 4 1 5
1 8
1 8 V
1 0 0 5
1 9
1 9
2 0
2 0
2 1
N C
2 2
N C R 4 1 6 1 0 0 5
2 3
N C
2 4
N C
2 5
N C
2 6
N C
2 7
N C
T A 4 0 2
3 0 . V _ I D G
R 4 0 7
R 4 1 1
1 0
1 0 0 5
D +
D -
B U S
C 4 3 3
D 4 0 0
R416
R205
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L 4 0 4 B L M 1 5 H D 1 0
L 4 0 5 B L M 1 5 H D 1 0
E A R _ S W
U A R T A _ R X _ J
1
N I 1
A C C _ D E T _ J
2
N I 2
U A R T A _ T X _ J
3
N I 3
4
N I 4
G N D
1
F 4 0 0
R413
R414
9-10
C 4
C 4 2
2 S N 1
E A R S P K _ R
C 4
2 S N 1
E A R S P K _ L
C 4 3 2 3 0 . V _ I D G
C 4 3 1
R 4 1 3
T I C H
5
O U T 1 U A R T
T P 4 0 0
6
O U T 2 A C C _
7
O U T 3 U A R T
8
O U T 4
3 0 . V _ I D G
G N D
0 9
R 4 1 4
J A C K
2 5
6
2 8
A _ R X
D E T
A _ T X
_ N I