SAMSUNG Proprietary-Contents may change without notice
SGH-D428 Flow Chart of Troubleshooting and Circuit Diagrams
2-
11
This Document can not be used without Samsung's authorization
8
P
O
W
E
R
5
4
D
B
23
6
7
2
1
F
C
8
4
E
D
C
E
7
5
A
3
1
A
B
F
6
1
0
U
F
1
0V
R
1
1
0
1
0
C
1
0
7
5
6
3
1
4
C
11
0
1U
F
Q
10
2
2
N
C
R
1
14
R
1
0
4
3
K
22
U
F
6.
3
V
C
12
2
1
0
K
D
10
2
R
1
1
2
1
0K
R
10
2
R
1
0
3
47
K
,1
%
V
B
A
T
C
1
0
9
C
1
1
7
1
U
F
1
U
F
N
C
R
1
1
5
3
.3
R
11
3
C
11
2
1U
F
3
3
P
F
C
1
0
4
1
3
2
V
B
A
T
C
1
01
Q
1
03
C
1
2
1
3
3P
F
D
1
0
1
2
2
0N
F
D
1
0
3
C
1
1
4
1
U
F
3
0
VR
EF
1
2
V
R
T
C
4
8
VS
IM
3.
3
R
11
6
3
1
V
L
5
S
_
B
9
V
L
D
O
_1
1
1
V
L
D
O
_2
V
L
D
O
_3
3
9
3
7
V
L
D
O
_4
3
3
V
L
D
O
_5
V
L
D
O
_6
4
2
V
L
D
O
_7
4
0
3
8
V
D
D
3
4
3
4
V
D
D
5
4
1
V
D
D
6
7
V
E
X
T
1
4
VIB
_D
RV
V
L
4
S
_
A
3
6
3
5
V
L
4
S
_
B
V
L
5
S
_
A
3
2
5
1
SIM
_R
ST
4
9
U
P
_
C
L
K
5
3
5
2
U
P
_
IO
5
4
U
P
_
R
S
T
3
V
A
C
C
2
V
B
A
T
V
D
D
1
2
1
0
1
9
R
E
S
E
T
N
RIN
G_D
RV
5
55
R
IN
G
_
P
W
M
R
T
C
_
A
L
M
N
1
3
1
7
S
C
L
K
1
5
S
D
I
1
6
S
D
O
5
0
SIM
_C
LK
SIM
_IO
28
IN
T
R
Q
1
4
LE
D1_
DR
V
7
8
LE
D2_
DR
V
2
0
P
S
W
1
_
B
U
F
P
W
R
_K
E
E
P
2
1
46
P
W
R
_S
W
1
N
P
W
R
_S
W
2
47
61
62
GN
D
GN
D
63
64
GN
D
65
GN
D
GN
D
66
G
N
D
D
6
0
6
GN
DD
1
GN
DQ
2
5
E
N
_
5
E
N
_
5
A
2
6
2
7
E
N
_
5
B
5
7
G
N
D
67
GN
D
GN
D
68
G
N
D
5
8
5
9
G
N
D
GN
D
45
A
D
C
_
T
R
IG
5
6
4
3
B
T
E
M
P
CR
EF
29
C
S
N
1
8
E
N
_
3
2
2
2
3
E
N
_
4
[0
]
E
N
_
4
[1
]
2
4
U
10
2
44
A
D
C
_
A
U
X
1
A
D
C
_
A
U
X
2
1U
F
C
11
3
V
B
A
T
V
R
T
C
V
R
F
10
0N
F
C
10
8
C
10
2
10
0N
F
C
11
9
33
0
K
R
10
6
G
8
9
G
G
1
0
1U
F
1
1
2
2
3
3
4
4
5
5
6
6
7
G
R
11
1
C
N
1
0
1
1.
2
K
V
O
S
C
C
12
0
1U
F
C
10
5
33
P
F
N
C
C
11
5
1
IS
E
N
S
E
P
R
O
G
4
3
V
C
C
5
V
S
E
N
S
E
U
10
1
D
R
IV
E
6
G
N
D
2
M10
1
NE
G
2
PO
S
1
V
B
A
T
V
C
C
A
V
C
C
_1
.8
A
4
1U
F
C
11
6
Q
10
1
3
1
2
5
6
10
U
F
10
V
V
P
A
C
V
C
C
D
C
10
6
Q
10
4
1
3
2
C
10
3
C
11
8
10
0P
F
2.
2U
F
C
11
1
1U
F
K
E
Y
_B
L
V
C
C
B
J
IG
_O
N
S
IM
C
L
K
S
IM
R
S
T
R
S
T
K
E
Y
_
R
O
W
(0
)
K
E
Y
_
C
O
L
(3
)
C
H
G
_D
E
T
T
A
_V
E
X
T
K
E
Y
_B
L
2
S
IM
D
A
T
A
V
R
E
F
T
A
_V
E
X
T
U
P
_
S
C
L
K
U
P
_C
S
E
N
_V
R
F
E
N
_
V
P
A
C
T
A
_V
E
X
T
C
H
G
_
O
N
IC
H
R
G
T
A
_
V
E
X
T
X
O
E
N
A
P
W
R
_K
E
E
P
P
W
R
_O
N
R
T
C
A
L
A
R
M
U
P
_S
D
I