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Flow Chart of Troubleshooting
9-35
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C109
L116
C138
75
1
C
L112
C140
C194
G
IN
1
5
OUT
VC 7
F101
G
2
G
3
G
4
G
6 8
R113
L113
L114
9
BS1
GND
29
RSVD
3
RX4
4
5
RX3
6
RX2
RX1
7
T
N
A
8
D
N
G
D
N
G
DCS|PCS_IN
21
2
2
D
N
G
GSM_IN
23
4
2
D
N
G
VAPC
25
26
VBATT
27
BS2
28
D
N
G
4
1
D
N
G
5
1
D
N
G
D
N
G
6
1
D
N
G
7
1
D
N
G
8
1
D
N
G
9
1
MODE
2
0
2
PAM101
1
_TXEN
WCDMA1
10
D
N
G
1
1
2
1
D
N
G
3
1
A 2
GND 3
1
NC
NC
5
VCC
6
4Y
R112
U100
C139
C137
R133
R107
C123
R115
L110
C104
C110
R121
R111
C191
C122
C120
C163
C153
G
10
IN1
1
IN2
4
OUT1 8
OUT2 6
F103
9
BAL1
7
BAL2
G
2 3
G
5
G
C107
C102
C105
C124
U610
NC
VREG_SYNT_2.65V
L111
C148
C141
C118
C132
C111
C119
L125
C143
C149
C131
3
1 NC
NC 5
VCC 6
Y 4
U103
A
2
GND
R108
L126
C136
RFS100
2
A
C
3
G
1
G
4
C166
C161
R110
R161
L130
C162
L115
L102
C154
C164
5
1
C
N
5
RF1
RF2 8
RF3
2
C103
1
GND
GND
3
GND
4
GND
6
7
GND
11
GND
GND
9
C
N
4
1
U101
10
CTLA
CTLB 12
C108
L101
C145
C121
C150
C152
L127
R109
R122
C142
C144
C195
C159
C147
C112
TA100
C101
R123
R128
L103
R131
OUT1
6
OUT2
7
BAL2
2
G G
3
G
5 10
G
1 IN1
4 IN2
8
F102
BAL1 9
R159
L128
8
5
C
N
9
5
C
N
6
VDDA
7
TCXO
8
VDDA
9
VDDA
0
0
5
NI
_
X
T
1
5
PI
_
X
T
2
5
N
Q
_
X
T
3
5
P
Q_
X
T
4
5
F
E
R
_
C
A
D
5
5
C
N
6
5
L
O
R
T
N
O
C
V
7
5
D
N
G
3
4
T
U
O
_
1
BL
_
A
D
4
4
T
U
O
_
2
B
H
_
A
D
5
4
A
D
D
V
6
4
T
U
O
_
1
B
H
_
A
D
7
4
A
D
D
V
8
4
A
D
D
V
9
4
A
D
D
V
5
V_TUNE1
36
GPCS_INP
37
GPCS_INN
38
DCS_INP
39
DCS_INN
4
VDDA
40
PWD_DET_IN
41
VDDA
42
DA_LB2_OUT
29
WLNA_OUT
3
R_BIAS1
30
GCELL_INN
31
GCELL_INP
32
EGSM_INP
33
EGSM_INN
34
WMIX_LNP
35
WMIX_LNN
1
2
T
S
E
T
2
2
D
N
G
3
2
D
N
G
4
2
N
O
_
X
T|
N
O
_
F
R
5
2
D
N
G
6
2
NI
_
A
NL
W
7
2
2
S
AI
B_
R
8
2
A
D
D
V
14
SSBDT
5
1
A
D
D
V
6
1
A
D
D
V
7
1
M
D
D
V
8
1
2
E
N
U
T
_
V
9
1
A
D
D
V
2
GND
0
2
A
D
D
V
1
GND
10
RX_QP
11
RX_QN
12
RX_IP
13
RX_IN
U104
C156
C192
L129
ANT101
BOTHHOLE
C146
C160
C196
R114
R160
C134
C106
C165
C133
L117
VREG_RFTX_2.65V
GND
3
NC 5
VCC 6
4
Y
U102
1 A
2 B
8
5
1
C
C151
R124
C193
C135
R132
GSM1900_RX_P
GSM1900_RX_N
GSM1800_RX_P
GSM1800_RX_N
PWR_DET
F
E
R
_
C
A
D
TX_AGC_ADJ
VREG_RF_SMPS
GSM_ANT_SEL3_N
N
O_
X
T
_
N
O_
F
R
GSM850_RX_P
GSM850_RX_N
GSM900_RX_P
GSM900_RX_N
GSM_ANT_SEL3_N
VREG_RF_SMPS
GSM_ANT_SEL2_N
GSM_PA_EN
X
T_
00
9
M
S
G_
0
58
M
S
G
UMTS_850
TX_I_P
TX_I_N
TX_Q_N
TX_Q_P
VREG_MSMP_2.6V
X
T_
00
91
M
S
G_
00
81
M
S
G
UMTS850_TX
GSM850_GSM900_TX
GSM_SAW_SW_MODE
RX_Q_P
RX_Q_N
RX_I_P
RX_I_N
SSBDT_RTR
RTR6275_TCXO
VREG_SYNT_2.65V
X
T_
00
9
1
S
T
M
U
VREG_RF_SMPS
GSM850_RX_N
GSM850_RX_P
UMTS_1900
GSM1900_RX_P
GSM1900_RX_N
GSM1800_RX_P
GSM1800_RX_N
GSM900_RX_N
GSM900_RX_P
GSM_ANT_SEL1_N
GSM_ANT_SEL0_N
VBATT
GSM_PA_PWR_CTL