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Flow Chart of Troubleshooting
9-69
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C112
C111
C
1
0
5
L
1
0
2
C110
C
1
0
6
C104
L107
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
L114
L103
L108
C113
2
A
1
C
3
G
G
4
RFS101
L105
1005
L113
L112
L110
L111
VREG_SYNTH_2.7V
TXR_WCDMA2100
TXR_WCDMA850
TXR_WCDMA1900
RX_GSM850_P
RX_GSM850_N
RX_DCS1800_N
RX_DCS1800_P
RX_PCS1900_N
RX_PCS1900_P
RX_EGSM900_P
RX_EGSM900_N
WCDMA2100 PAM
C
2
2
3
L214
C
2
2
6
C224
R
2
0
4
3
COUPLING
2
IN
1
OUT
TERMINATE
4
CPL202
C
2
2
2
L
2
1
6
V_BAT
9
1
RX
3
TX
C
2
2
7
6
ANT
G
2
G
4
G
5
7
G
G
8
G
DUF201
C
2
2
8
L
2
1
1
5 VEN
7
GND
9
GND
GND 11
RFIN
2
RFOUT 8
1 VCC1
VCC2 10
G
5
IN
1
OUT
4
PAM202
F203
2
G
3
G
C
2
2
5
C232
L213
L
2
1
2
PA_R1
PA_ON_W2100
PAM_RFOUT_W2100
PWR_DET_W2100
TXR_WCDMA2100
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