SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-37
This Document can not be used without Samsung's authorization
C111
ANT101
1
1
2
2
R115
VREG_FEM_2.85V
L105
L108
G
42
3
VC1
VC2
4
5
VC3
VC4
6
7
D
D
V
G
8
9 GSM1800|1900TX
17
GSM1800RX
GSM1900RX
18
19
GSM1900RX
T
N
A
2
UMTS1
20
UMTS2
21
UMTS3
22
32
G
1
G
G
01
11
GSM850|900TX
GSM850RX
12
13
GSM850RX
GSM900RX
14
15
GSM900RX
GSM1800RX 16
MOD101
L101
L104
0
L113
L129
C119
C128
C122
C1024
L111
L109
C130
C141
L103
R103
R113
L107
C110
L102
ANT102
1 1
2
2
R114
C109
L106
L112
L110
2
A
C
1
G
3
G
4
RFS101
R116
ANT_SEL3
ANT_SEL0
ANT_SEL1
ANT_SEL2
TRX_WCDMA1900
GSM850_900_OUT
DPCS_OUT
TRX_WCDMA2100
RX_DCS1800_P
RX_DCS1800_N
RX_PCS1900_N
RX_GSM850_N
RX_GSM850_P
RX_EGSM900_N
RX_EGSM900_P
TRX_WCDMA900
RX_PCS1900_P
C
N
07
C
N
17
VDDA2
8
VTUNE_GPS
9
NI
_
X
T
36
PI
_
X
T
46
N
Q_
X
T
56
66
P
Q_
X
T
76
F
E
RI
_
C
A
D
S
AI
B
R
_
X
T
86
G
U
L
S_
D
N
G
96
7
VDDA2
1
T
U
O_
F
R_
B
H
65
2
T
U
O_
F
R_
B
L
75
2
T
U
O_
F
R_
B
H
85
95
3
T
U
O_
F
R_
B
H
6
VDDA1
2
A
D
D
V
06
2
A
D
D
V
16
2
A
D
D
V
26
EGSM_INN
49
VTUNE1
5
GCELL_INP
50
GCELL_INN
51
25
PDET_IN
1
A
D
D
V
35
2
A
D
D
V
45
1
T
U
O_
F
R_
B
L
55
WDRXLB
41
GPS_IN
42
VDDA2
43
GPCS_INP
44
45
GPCS_INN
DCS_INP
46
DCS_INN
47
EGSM_INP
48
T
U
O_
2
E
S
X
R
P
W
4
3
WPRXSE1_OUT
35
WPRXSE2
36
VDDA2
37
WPRXSE1
38
WDRXHB2
39
VDDA1
4
WDRXHB1
40
2
A
D
D
V
72
P
NI
_
X
M_
B
W
8
2
M
NI
_
X
M_
B
W
9
2
VDDA1
3
P
B
L
X
R
P
W
0
3
M
B
L
X
R
P
W
13
P
B
H
X
R
P
W
23
M
B
H
X
R
P
W
33
TCXO
2
T
D
B
S
0
2
2
A
D
D
V
1
2
1
A
D
D
V
2
2
3
2
M
D
D
V
2
E
N
U
T
V
4
2
2
A
D
D
V
5
2
N
O_
F
R
6
2
PRX_QN
12
PRX_IN
13
PRX_IP
14
DRX_QP
15
16
DRX_QN
DRX_IP
17
81
NI
_
X
R
D
9
1
C|
N
U101
VDDA2
1
10
VDDA1
PRX_QP
11
C114
C118
C121
C113
C112
C120
R104
C126
C115
RFOUT_W1900
RX_GSM850_P
RX_GSM850_N
RFOUT_W900
RFOUT_W2100
RX_EGSM900_P
RX_EGSM900_N
RX_PCS1900_P
RX_PCS1900_N
RX_DCS1800_P
RX_DCS1800_N
PWR_DET
RX_GPS
DAC_REF
RFOUT_G850_EGSM
RFOUT_DCS_PCS
TX_IM
TX_IP
TX_QM
TX_QP
Содержание GT-B7620
Страница 82: ...www s manuals com ...