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Flow Chart of Troubleshooting
10-27
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<Antenna>
<GSM PAM>
C206
C207
C
2
17
C
22
3
C
2
2
4
C
2
2
5
C226
C230
C
2
3
1
C
2
3
5
F
20
0
F201
L204
L205
L212
L
2
14
L
2
18
R208
R209
R213
R214
S
C
1
1
0
S
C
1
1
2
U20
1
L105
13
12 VC4
11
VDD
GSM850|900_TX
GSM900_RX1
3
4
GSM900_RX2
16
UMTS_TRX1
UMTS_TRX2 17
UMTS_TRX3
18
VC1
15
VC2
14
VC3
G
GSM1800_RX1
5
GSM1800_RX2
6
GSM1800|1900_TX
22
7
GSM1900_RX1
8
GSM1900_RX2
1
GSM850_RX1
GSM850_RX2
2
24
9
G
19
G G
21 23
G G
25 26
G G
27 28
F100
20
ANT
G
10
L100
L108
R104
C137
L107
L112
A
2
1
C
3
G
G
4
RFS100
L104
C124
C133
C132
C131
L111
ZD100
L102
L101
C138
C139
ANT100
L113
C121
ANT101
L115
ANT102
C104
C128
8 VBIAS
HB_RFIN
1
HB_RFOUT
18 LB_RFIN
7
LB_RFOUT
12
MODE
5
6
RAMP
3
TXEN
VBATT
4
11
13
G
N
D
G
N
D
14
15
G
N
D
G
N
D
16
17
G
N
D
G
N
D
19
20
G
N
D
BAND_SEL 2
10
G
N
D
G
N
D
22
23
G
N
D
G
N
D
C114
PAM100
C108
C109
C136
C127
C105
C118
L106
C112
L103
TA100
VCC_RX_TX_2.8V
L114
C130
C120
C122
C119
VBAT
L109
C102
ANT_JTAG
GSM_RXP_850
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXP
PCS_RXM
GSM_RXM_900
DCS_PCS_TX
BAND_SEL
BB3G_GPO_3V(0)
MODE_SELECT
GSM_RXM_850
3G
FESW2
FESW3
FESW1
GSM_850_900_TX
RAMP_PAM
PON_PA
C100
C101
C102
C103
C104
C105
C106
C
10
7
C
10
8
C
10
9
C110
C
11
1
C
11
2
C
11
3
C
11
4
C115
C
11
7
C118
C119
C120
C
1
21
C
12
2
C
12
4
C
12
6
C127
C128
C
13
0
C
1
31
C
13
2
C
13
3
C136
C137
C138
C139
C200
C201
C204
C205
C208
C209
C210
C211
C213
C214
C215
C216
C
31
6
C
31
7
C
43
4
C807
DU
F20
0
F1
00
L1
00
L101
L102
L1
03
L104
L105
L106
L107
L1
08
L1
09
L1
1
1
L1
1
2
L1
1
3
L1
1
4
L115
L200
L201
L203
L206
L208
L209
L210
L220
OS
C40
1
PA
M10
0
PAM200
R102
R
1
03
R104
R105
R
30
3
R
40
9
R
41
0
RFS100
S
C
10
0
SC
102
S
C
10
3
SC115
T
A
1
00
T
A
C
80
1
U
1
00
U
3
00
Z
D
10
0
ZD812