![Samsung SGH-D428 Скачать руководство пользователя страница 16](http://html.mh-extra.com/html/samsung/sgh-d428/sgh-d428_service-manual_1190458016.webp)
SAMSUNG Proprietary-Contents may change without notice
SGH-D428 Flow Chart of Troubleshooting and Circuit Diagrams
2-
12
This Document can not be used without Samsung's authorization
D
1
7
D
4
B
F
NC
L
C
D
C
O
N
N
E
C
T
O
R
6
K
E
Y
P
A
D
E
2
A
NC
NC
NC
NC
E
IR
D
A
B
5
3
C
C
NC
F
7
4
3
8
A
5
2
8
1
6
10
0N
F
C
2
40
12
12
0
K
E
Y
P
A
D
8
R
20
9
3.
3
9
K
E
Y
P
A
D
Z
D
20
2
1
2
3
4
5
6
7
R
21
6
47
K
V21
2
V21
1
R
21
7
47
K
GN
D
1
IN
IN
2
3
IN
IN
4
8
O
U
T
O
U
T
7
6
O
U
T
O
U
T
5
F
2
0
2
9
10
P
F
C
24
4
R
20
3
1
0
0
2
C
25
1
8
7
O
U
T
O
U
T
6
5
O
U
T
5
K
E
Y
P
A
D
1
2
F
20
3
GN
D
9
IN
1
2
IN
IN
3
4
IN
O
U
T
47P
F
C24
8
47P
F
C24
7
R
20
6
3.
3
5
T
X
D
3
6
V
C
C
47P
F
C25
0
L
E
D
21
7
7
G
N
D
L
E
D
A
1
2
L
E
D
C
4
R
X
D
S
D
12
D
2
01
3
K
E
Y
P
A
D
22
0
P
F
C
2
4
2
LE
D21
2
12
R
21
2
K
E
Y
P
A
D
F
4
C
N
20
2
2
A
C
3
G
1
G
4
22
1
IN
IN
2
3
IN
IN
4
8
O
U
T
O
U
T
7
6
O
U
T
O
U
T
5
R
20
1
F
20
1
9
GN
D
LE
D20
2
0
R
22
2
1
2
10
0
K
LE
D20
1
7
K
E
Y
P
A
D
R
22
1
10
0
K
2
2
V2
10
1
2
R
21
1
K
E
Y
P
A
D
4
V
C
C
D
0
R
2
23
C
2
0
3
V
C
C
D
R
2
24
0
V
C
C
B
6.
3V
10
U
F
V2
09
LE
D20
3
47P
F
C24
9
R
2
14
K
E
Y
P
A
D
6
12
68
10
0
K
R
2
33
V
C
C
D
LE
D20
7
0
R
2
25
C
2
41
10
P
F
V
B
A
T
C
25
2
E
R
R
2
5
4
G
N
D
S
D
1
2
3
S
D
2
1
V
IN
8
V
O
U
T
1
7
V
O
U
T
2
U
20
3
E
R
R
1
6
R
2
26
47
C2
53
NC
N
C
L
2
0
1
82
C
25
5
10
0N
F
V
B
A
T
R
20
2
LE
D20
9
LE
D20
6
C
N
20
5
-1
1
IN
1
2
IN
IN
3
4
IN
O
U
T
8
7
O
U
T
O
U
T
6
5
O
U
T
F
20
4
GN
D
9
1
K
E
Y
P
A
D
1
2
V2
06
LE
D21
1
V2
16
V2
07
V2
08
C
23
9
10
0N
F
C
23
7
1U
F
8
8
9
9
LE
D20
4
50
51
51
52
52
53
53
54
54
55
55
6
6
7
7
43
43
44
44
45
45
46
46
47
47
48
48
49
49
5
5
50
36
36
37
37
38
38
39
39
4
4
40
40
41
41
42
42
29
3
3
30
30
31
31
32
32
33
33
34
34
35
35
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
14
14
15
15
16
16
17
17
18
18
19
19
2
2
20
20
21
C
N
20
1
1
1
10
10
11
11
12
12
13
13
V2
05
V
B
A
T
V2
15
F
2
09
R
2
3
05
1
R
2
32
V
B
A
T
75
68
51
R
2
2
9
R
20
4
C
23
8
LE
D20
8
51
33
0N
F
K
E
Y
P
A
D
8
1
2
R
2
3
1
C
20
2
10
U
F
6.
3V
V2
14
8
C
24
3
47
P
F
Z
D
20
1
1
2
3
4
5
6
7
2
10
U
F
C
25
4
F
3
K
E
Y
P
A
D
12
K
E
Y
P
A
D
2
1
3.
3
3
9
R
20
7
R
2
08
10
0
3
G
N
D
O
U
T
2
V
C
C
1
R
2
2
8
U
20
2
5
R
22
0
10
0
K
GN
D
1
IN
IN
2
3
IN
IN
4
8
O
U
T
O
U
T
7
O
U
T
6
O
U
T
K
E
Y
_B
L
2
F
2
08
9
X
C
S
V
S
Y
N
C
H
S
Y
N
C
C
M
_C
L
K
K
E
Y
_B
L
K
E
Y
_C
O
L
(0
)
U
P
_S
C
L
K
T
K
_S
D
O
U
P
_S
D
I
T
K
_C
S
L
C
D
_A
D
(0
)
L
C
D
_A
D
(2
)
L
C
D
_A
D
(4
)
L
C
D
_A
D
(6
)
R
S
T
S
C
L
P
W
R
_O
N
P
E
N
_I
R
Q
T
K
_S
D
O
U
P
_S
D
I
U
P
_S
C
L
K
K
E
Y
_R
O
W
(1
)
K
E
Y
_R
O
W
(0
)
K
E
Y
_R
O
W
(2
)
K
E
Y
_C
O
L
(1
)
K
E
Y
_C
O
L
(2
)
K
E
Y
_R
O
W
(1
)
K
E
Y
_R
O
W
(4
)
K
E
Y
_R
O
W
(2
)
K
E
Y
_R
O
W
(3
)
K
E
Y
_R
O
W
(0
)
K
E
Y
_C
O
L
(3
)
K
E
Y
_C
O
L
(2
)
K
E
Y
_C
O
L
(0
)
F
K
E
Y
_E
N
S
V
C
_G
R
E
E
N
V
O
S
C
S
D
A
S
P
K
1P
L
C
D
_A
D
(3
)
L
C
D
_A
D
(5
)
L
C
D
_A
D
(7
)
V
_M
O
T
V
IB
_E
N
V
_L
E
D
V
_M
O
T
K
E
Y
_R
O
W
(5
)
C
A
M
_D
(4
)
D
IM
_E
N
C
A
M
_D
(3
)
C
A
M
_D
(5
)
P
_C
L
K
C
A
M
_D
(7
)
V
R
E
F
E
R
B
A
C
K
L
IG
H
T
_E
N
C
A
M
_D
(1
)
C
A
M
_D
(6
)
L
C
D
_A
D
(1
)
S
V
C
_R
E
D
S
V
C
_B
L
U
E
K
E
Y
_C
O
L
(1
)
K
E
Y
_C
O
L
(0
:3
)
K
E
Y
_R
O
W
(0
:5
)
F
L
IP
_S
N
S
IR
D
A
_E
N
IR
D
A
_R
X
IR
D
A
_T
X
S
P
K
1N
H
V
D
D
C
A
M
_D
(0
)
C
A
M
_D
(2
)
H
R
E
F
E
R