Samsung SGH-J630, Service Manual

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Flow Chart of Troubleshooting
9-33
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KMS-515
RFS100
2
AC
3 1
GG
4
L107
NC
C171
C177
C144
R127
C146
GSM900_RX2
UMTS1
15
UMTS2
16
17
UMTS3
14 VC1
VC2
13
VC3
12
11
VC4
VDD
10
GSM1800_RX2
22
GSM1800|1900_TX
GSM1900_RX1
7
8
GSM1900_RX2
1 GSM850_RX1
GSM850_RX2
2
GSM850|900_TX
25
GSM900_RX1 3
4
21
G4G5
23
G6
24 26
G7G8
27 28
G9
GSM1800_RX1 5
6
LMSP4LMA-550
F100
ANT
19
9
G1
18
G2G3
20
C176
C148
L116
C113
C136
L101
L102
C145
L108
R130
L129
C143
L112
C147
PCS_RXM
PCS_RXP
GSM_RXM_90
GSM_RXP_90
DCS_RXM
DCS_RXP
C248
C245
C263
R204
C243
C296
VTUNE_GPS
T
X
_
Q
P
6
7
D
A
C
_
IR
E
F
6
8
T
X
_
R
B
IA
S
6
9
G
N
D
_
S
L
U
G
7
VDDA2
7
0
N
C
7
1
N
C
8
VDDA2
9
H
B
_
R
F
_
O
U
T
3
6
VDDA1
6
0
V
D
D
A
2
6
1
V
D
D
A
2
6
2
V
D
D
A
2
6
3
T
X
_
IN
6
4
T
X
_
IP
6
5
T
X
_
Q
N
6
6
GCELL_INN
5
2
PDET_IN
5
3
V
D
D
A
1
5
4
V
D
D
A
2
5
5
L
B
_
R
F
_
O
U
T
1
5
6
H
B
_
R
F
_
O
U
T
1
5
7
L
B
_
R
F
_
O
U
T
2
5
8
H
B
_
R
F
_
O
U
T
2
5
9
GPCS_INP
45
GPCS_INN
46
DCS_INP
47
DCS_INN
48
EGSM_INP
49
EGSM_INN
5
VTUNE1
50
GCELL_INP
51
VDDA2
38
WPRXSE1
39
WDRXHB2
4
VDDA1
40
WDRXHB1
41
WDRXLB
42
GPS_IN
43
VDDA2
44
VDDA1
3
0
W
P
R
X
L
B
P
3
1
W
P
R
X
L
B
M
3
2
W
P
R
X
H
B
P
3
3
W
P
R
X
H
B
M
3
4
W
P
R
X
S
E
2
_
O
U
T
35
WPRXSE1_OUT
36
WPRXSE2
37
V
D
D
A
1
V
D
D
M
2
3
2
4
V
T
U
N
E
2
2
5
V
D
D
A
2
2
6
R
F
_
O
N
2
7
V
D
D
A
2
2
8
W
B
_
M
X
_
IN
P
2
9
W
B
_
M
X
_
IN
M
3
DRX_QP
16
DRX_QN
17
DRX_IP
1
8
D
R
X
_
IN
1
9
N
|C
2
TCXO
2
0
S
B
D
T
2
1
V
D
D
A
2
2
2
1
VDDA2
10
VDDA1
11
PRX_QP
12
PRX_QN
13
PRX_IN
14
PRX_IP
15
RTR6285
U201
C259
TP200
C260
C239
C273
C244
UMTS_RX_2100
GSM_RXP_900
GSM_RXM_900
PCS_RXP
PCS_RXM
DCS_RXP
DCS_RXM