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Flow Chart of Troubleshooting
9-38
FEM
R142
ANT101
1 1
2
2
3
3
L125
L111
L107
R109
R143
C110
C114
L105
C106
L106
A
C
1
3
G
4
G
RFS100
2
L104
R108
C112
L102
R111
L122
L103
8
G
9
GSM1800|1900TX
22
UMTS3
G
32 42
G
3
VC1
4
VC2
VC3
5
6
VC4
D
D
V
7
15
16
GSM1800RX
GSM1800RX
17
18
GSM1900RX
GSM1900RX
19
2
T
N
A
20
UMTS1
UMTS2
21
G
1
01
G
GSM850|900TX
11
12
GSM850RX
GSM850RX
13
14
GSM900RX
GSM900RX
R110
U101
L112
L127
C101
L110
L113
C113
L109
ANT102
1
1
2
2
3 3
L108
L114
C119
C111
VRX_2.85V
ANT_JTAG
GSM_RXM_850
GSM_ANT_SEL2_N
GSM_ANT_SEL1_N
GSM_ANT_SEL0_N
GSM_ANT_SEL3_N
UMTS_ANT_900
UMTS_ANT_2100
PCS_RXM
PCS_RXP
DCS_RXP
DCS_RXM
GSM_RXP_900
GSM_RXM_900
GSM_RXP_850
C267
2
1
2
R
V_RF_S3_2.7V
C274
C225
C291
R208
C275
C263
V_RF_S2_2.1V
V_RF_S2_2.1V
VMSMP_2.6V
C238
C254
C292
C282
C289
V_RF_S2_2.1V
C256
C249
C235
23
2
C
C221
C278
C223
C242
C257
C227
C258
R213
C246
C277
C276
R207
V_RF_S3_2.7V
V_RF_S3_2.7V
C222
61
2
L
L217
C233
C265
C250
C280
C281
R211
C241
C248
C273
C293
C262
C297
V_RF_S2_2.1V
C236
C247
C259
C269
L218
C270
C290
C255
IN
1
OUT 3
OUT 4
C253
F205
2G
G
5
C237
C283
07
17
C
N
VDDA2
8
VTUNE_GPS
9
36
PI
_
X
T
46
N
Q_
X
T
56
P
Q_
X
T
66
F
E
RI
_
C
A
D
76
S
AI
B
R_
X
T
86
G
U
L
S_
D
N
G
96
VDDA2
7
C
N
2
T
U
O
_
F
R
_
B
L
75
2
T
U
O
_
F
R
_
B
H
85
3
T
U
O
_
F
R
_
B
H
95
VDDA1
6
2
A
D
D
V
06
2
A
D
D
V
16
2
A
D
D
V
26
NI
_
X
T
VTUNE1
5
GCELL_INP
50
51
GCELL_INN
PDET_IN
25
1
A
D
D
V
35
2
A
D
D
V
45
1
T
U
O
_
F
R
_
B
L
55
1
T
U
O
_
F
R
_
B
H
65
GPS_IN
42
VDDA2
43
44
GPCS_INP
GPCS_INN
45
DCS_INP
46
DCS_INN
47
EGSM_INP
48
EGSM_INN
49
WPRXSE1_OUT
35
WPRXSE2
36
37
VDDA2
WPRXSE1
38
WDRXHB2
39
VDDA1
4
WDRXHB1
40
WDRXLB
41
P
NI
_
X
M_
B
W
82
M
NI
_
X
M_
B
W
92
3
VDDA1
P
B
L
X
R
P
W
03
M
B
L
X
R
P
W
13
P
B
H
X
R
P
W
23
M
B
H
X
R
P
W
33
T
U
O_
2
E
S
X
R
P
W
43
T
D
B
S
02
2
A
D
D
V
12 22
1
A
D
D
V
32
M
D
D
V
2
E
N
U
T
V
42
2
A
D
D
V
52
N
O_
F
R
62
2
A
D
D
V
72
PRX_IN
13
14
PRX_IP
15
DRX_QP
DRX_QN
16
DRX_IP
17
NI
_
X
R
D
81
C|
N
91
TCXO
2
U202
VDDA2
1
VDDA1
10
PRX_QP
11
PRX_QN
12
R206
C261
C264
C251
C245
C268
C298
C231
MI
_
X
T
UMTS_RX_2100
UMTS_RX_900_M
UMTS_RX_900_P
UMTS_RX_2100_M
UMTS_RX_2100_P
RF_ON_TX_ON
C260
GSM850_EGSM900_TX
DAC_REF
GPS_RX
PWR_DET
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP
GSM_RXM_850
GSM_RXP_850
GSM_RXM_900
GSM_RXP_900
P
Q
_
X
T
M
Q
_
X
T
PI
_
X
T
RTR6285_TCXO
UMTS_RX_2100_M
UMTS_RX_2100_P
GRX_IM
GRX_QP
GRX_QM
GRX_IP
RX_IN
RX_IP
RX_QN
RX_QP
DCS1800_PCS1900_TX
UMTS_TX_2100
UMTS_TX_900
SSBDT_RTR