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Flow Chart of Troubleshooting
9-52
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C
1
0
9
L
1
0
2
C
1
0
7
3
3
C103
RFS100
1
1
2
2
C104
L
1
0
0
4
VC2
VC3
5
6
VC4
V
D
D
7
8
G
GSM1800|1900TX
9
GSM1900RX
GSM1900RX
19
2
A
N
T
20
UMTS1
UMTS2
21
22
UMTS3
G
2
3
2
4
G
VC1
3
G
GSM850|900TX
2
1
1
1
GSM850RX
GSM850RX
13
14
GSM900RX
GSM900RX
15
16
GSM1800RX
GSM1800RX
17
18
RFS102
G
1
1
0
L106
R108
2
A
1
C
3
G
G
4
RFS101
L
1
0
4
R110
C108
L
1
0
9
R107
L
1
0
1
R109
GSM1800_1900
GSM850_900
GSM_ANT_SEL3_N
GSM_ANT_SEL2_N
GSM_ANT_SEL1_N
GSM_ANT_SEL0_N
C102
R103
C101
R106
R104
V_BAT
R105
C100
R102
R101
3
TX_EN
5
V
A
P
C
V
B
A
T
T
4
1
3
V
C
C
_
O
U
T
G
N
D
1
0
1
1
G
N
D
G
N
D
1
2
G
N
D
1
4
1
5
G
N
D
GSM_IN
9
8
GSM_OUT
N
C
6
PAM100
BS
2
DCS_OUT
16
1
DCS|PCS_IN
7
G
N
D
R100
PAM_RFOUT_DCS_PCS
PAM_RFOUT_G850_EGSM
GSM_
GSM1800_1900
GSM850_900
GSM_PA_BAND
GSM_PA_EN
C127
N
C
7
0
N
C
7
1
VDDA2
8
9
VTUNE_GPS
T
X
_
IN
6
3
T
X
_
IP
6
4
T
X
_
Q
N
6
5
T
X
_
Q
P
6
6
6
7
D
A
C
_
IR
E
F
T
X
_
R
B
IA
S
6
8
G
N
D
_
S
L
U
G
6
9
VDDA2
7
H
B
_
R
F
_
O
U
T
1
5
6
L
B
_
R
F
_
O
U
T
2
5
7
H
B
_
R
F
_
O
U
T
2
5
8
H
B
_
R
F
_
O
U
T
3
5
9
6
VDDA1
V
D
D
A
2
6
0
V
D
D
A
2
6
1
V
D
D
A
2
6
2
EGSM_INN
49
VTUNE1
5
GCELL_INP
50
GCELL_INN
51
P
D
E
T
_
IN
5
2
V
D
D
A
1
5
3
V
D
D
A
2
5
4
L
B
_
R
F
_
O
U
T
1
5
5
WDRXLB
41
GPS_IN
42
VDDA2
43
GPCS_INP
44
GPCS_INN
45
DCS_INP
46
DCS_INN
47
EGSM_INP
48
W
P
R
X
S
E
2
_
O
U
T
3
4
WPRXSE1_OUT
35
WPRXSE2
36
VDDA2
37
WPRXSE1
38
WDRXHB2
39
VDDA1
4
WDRXHB1
40
V
D
D
A
2
2
7
W
B
_
M
X
_
IN
P
2
8
W
B
_
M
X
_
IN
M
2
9
VDDA1
3
W
P
R
X
L
B
P
3
0
W
P
R
X
L
B
M
3
1
W
P
R
X
H
B
P
3
2
W
P
R
X
H
B
M
3
3
TCXO
2
S
B
D
T
2
0
V
D
D
A
2
2
1
V
D
D
A
1
2
2
V
D
D
M
2
3
V
T
U
N
E
2
2
4
V
D
D
A
2
2
5
R
F
_
O
N
2
6
PRX_QN
12
PRX_IN
13
PRX_IP
14
DRX_QP
15
DRX_QN
16
DRX_IP
17
D
R
X
_
IN
1
8
N
|C
1
9
U100
VDDA2
1
VDDA1
10
PRX_QP
11
C118
VREG_RFRX1_2.7V
L115
C119
VREG_PA_2.1V
5
IN
1
3
OUT
OUT
4
F100
2
G
G
C123
C139
C146
C152
VREG_PA_2.1V
R111
C147
R116
C135
C137
C117
C
1
4
5
C129
C136
C122
L118
C115
C116
C159
C124
C130
C121
L117
C160
PAM_RFOUT_W2100
PAM_RFOUT_W1900
W
C
D
M
A
_
R
X
P
_
1
9
0
0
W
C
D
M
A
_
R
X
M
_
1
9
0
0
PAM_RFOUT_W850
RX_GPS
R
T
R
_
W
8
5
0
_
P
R
T
R
_
W
8
5
0
_
M
RX_GSM850_P
RX_GSM850_N
PWR_DET
PAM_RFOUT_G850_EGSM
PAM_RFOUT_DCS_PCS
WCDMA_RXM_2100
WCDMA_RXP_2100
RX_EGSM900_N
RX_EGSM900_P
RX_DCS1800_N
RX_DCS1800_P
RX_PCS1900_N
RX_PCS1900_P
RTR_W2100_RX
W
C
D
M
A
_
R
X
M
_
2
1
0
0
W
C
D
M
A
_
R
X
P
_
2
1
0
0
T
X
_
O
N