SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams
2-
2
(2.5/1.8)
I/F C O N
JTA G C O N
PSC 2106A
(2.8/3.3)
IR D A
(2.8/3.3)
R S_M M C
W
2
4
P
IN
R 150
M M C _2.5
1K
C 115
VC C B
R 107
1
IN
O U T
5
4
R EF_B YP
C 137
U 107
EN
3
2
G N D
C 120
D 101
0
R 164
R 123
R 160
V_LE D
C 128
C 145
9
VO UT 2
R 151
G
N
D
1415
G
N
D
G
N
D
16
5 N/C
N/C 8
7
N/C
1 VIN
VO UT 1 10
C B YP
4
EN 1
2
3 EN 2
G N D
6
11
G
N
D
G
N
D
12 13
G
N
D
VB A T
U 105
C 134
Z
D
1
0
5
C 105
C 100
6
6
7
7
8
8
9
9
25
N C
N C
26
VB A T
2
20
20
21
21
22
22
23
23
24
24
3
3
4
4
5
5
13
13
14
14
15
15
16
16
17
17
18
18
19
19
2
C N 100
1
1
10
10
11
11
12
12
C 109
C A M _2.5
R 147
C 110
R 118
R 122
R 134
N C
VB A T
USB _5
R 110
1K
C 129
VC C D
W M _2.8D
C 122
8
C 124
ZD 104
1
2
3
4
5
6
7
C 631
G ND
7
1
LEDA
LEDC
2
R XD
4
5
SD
3
TXD
VC C
6
LED 101
C 106
R 125
R 161
R 133
16
G
N
D
5 N/C
N/C 8
7
N/C
VIN
11
0
VO UT 1
VO UT 2 9
EN 1
2
3 EN 2
G N D
6
G
N
D
1112
G
N
D
G
N
D
1314
G
N
D
G
N
D
15
1
3
2
U 102
C B YP
4
R 129
Q 102
R 102
R 157
VLD O _4
33
VLD O _5
VLD O _6
42
VLD O _7
40
30
V
R
E
F
12
VR TC
48
V
S
IM
4
V
IB
_
D
R
V
VL4S_A
36
35
VL4S_B
VL5S_A
32
31
VL5S_B
9
VLD O _1
11
VLD O _2
VLD O _3
39
37
54
U P_R ST
3
VA C C
2
VB A T
VD D 12
10
38
VD D 34
34
VD D 5
VD D 67
41
VEXT
1
17
15
SD I
16
SD O
50
S
IM
_
C
L
K
S
IM
_
IO
51
S
IM
_
R
S
T
49
53
U P_C LK
52
U P_IO
20
PSW 1_B UF
21
PW R _K EEP
46
PW R _SW 1N
47
PW R _SW 2
19
R ESETN
R
IN
G
_
D
R
V
5
55
R ING _PW M
R TC _A LM N
13
SC LK
6
6
G
N
D
G N D D
60
6
G
N
D
D
1
28
G
N
D
Q
INTR Q
14
L
E
D
1
_
D
R
V
7
L
E
D
2
_
D
R
V
8
6
8
G
N
D
G N D
58
59
G N D
6
1
G
N
D
G
N
D
6
2
6
3
G
N
D
G
N
D
6
4
G
N
D
6
5
EN_3
22
EN_4[0]
23
EN_4[1]
24
25
EN_5
EN_5A
26
27
EN_5B
G N D
57
G
N
D
6
7
U 101
44
A D C _A UX1
A D C _A UX2
45
A D C _TR IG
56
43
B TEM P
C
R
E
F
29
C SN
18
3
4
5
6
7
8
ZD 102
1
2
R 105
R 126
VB A T
R 104
C 119
N C
10
11
N C
12
N C
N C
13
14
N C
VC C D
3
3
4
4
5
5
6
6
7
7
N C
8
9
N C
VB A T
C N 102
1
1
2
2
R 106
1K
C N 103
1
1
2
2
3
3
N C
4
5
N C
100K
U 607
G
N
D
G
N
D
16
N/C
5
8
N/C
N/C 7
1 VIN
VO UT 1 10
9
VO UT 2
C B YP
2 EN 1
EN 2
3
6
G N D
11
G
N
D
G
N
D
12 13
G
N
D
G
N
D
1415
VB A T
U 106
4
C 113
VC C D
C A M _1.8
C 140
U 103
B YP 4
3
EN
G ND
2
IN
1
O UT 5
C 114
C 104
C 101
VC C D
1K
R 112
R 128
R 117
C 138
N C
VB A T
C 123
VC C A
VC C B
W M _3.3A
R 130
R 140
VB A T
C 118
USB _5
VC 01_2.5
C 111
R 103
VB A T
D
1
0
2
0
R 121
1K
R 162
VIN
5
VO UT
VR F
R 163
1K
U 602
5
B YP
4
C TL
3
2
G ND
1
C 142
C
1
4
7
R 120
C 130
C 144
C 116
Q 101
1
3
2
1
2
3
4
5
6
7
8
R 142
ZD 101
0
NC
R 141
C 121
R 115
1K
C 132
VC C D V C C D
R 132
C 107
4
4
5
5
6
6
7
7
8
8
9
9
C N 101
1
1
10
10
11 11
12
12
2
2
3
3
C 108
C 103
VC C _1.8A
M M C _2.5
C 127
C 117
VC C D
R 119
R 158
1K
C 143
C 131
C 141
1K
R 113
R 153
C 102
R 144
R 155
1K
1K
R 114
VR TC
R 159
VC 01_2.5
VC 01_2.5
VC C D
1K
R 116
R 131
R 127
5
6
7
8
USB _3.3
VC C D
ZD 103
1
2
3
4
B A TT1
2
NEG
1
PO S
C 126
R 156
4 4
5
5
6 6
G
7
8
G
G
9
10
G
C N104
11
2
2
33
C 112
C 125
M M C _INS
R S T
USB _D _M INUS
USB _D _PLUS
D EB UG _TXD
D EB UG _D C D
D EB UG _R TS
D EB UG _C TS
M O T_3.3
D LC _D ETEC T
SD S_R XD
SD S_TXD
D EB UG _R XD
VC 01_TM S
C P_TM S
VC 01_TD I
VC 01_TD O
R ST
C P_TD I
C P_TD O
C P_TC K
W M 97_O N
D EB UG _R I
JIG _O N
EN_VC 01_2.5
M M C _C S
M M C _D I
M M C _SC LK
M M C _D O
C A M _O N
SIM D A TA
VC 01_TC K
PW R _O N
VC _M _C O N
EN_M M C
USB _D ETEC T
SIM C L K
SIM R S T
IR D A _R X
IR D A _EN
IR D A _TX
D EB UG _D SR
B P_V F
D EB UG _D TR
XO EN A
B A C K LIG HT 1
PW R _K EEP
R TC A LA R M
UP_SD I
VR EF
UP_SC LK
UP_C S
K EY_R O W (0)
K EY_C O L(2)
JIG _O N