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Flow Chart of Troubleshooting
9-
27
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C127
C134
VRF_2.8V
Y
4
U105
2
A
GND
3
NC
1
5
NC
VC
C
6
C136
TCX101
GND
2
OUT
3
4
VC
C
VC
O
N
1
R118
VRF_2.8V
C125
C133
711 R
R122
C129
C128
C135
R12
1
R120
R119
CLK13M
_CSP
CLK13M
_HPE
CLK13M
_YM
U
AFC
CLK13M
_RF
R110
L110
C1
0
1
C116
C111
C122
C103
C106
C113
L106
L10
9
4.3nH
L107
6
6
R107
1
1
2
2
3
3
4
4
5
5
C108
A
N
T100
L10
1
R111
R112
C120
C102
17
GND
GSM
IN
7
12
GSM
_
OUT
8
RSVD
5
VBATT
6
VPC
VSUP
4
2
DCS|
P
CS_I
N
DCS|
P
CS_OUT
14
1
ENA
GND
15
9
GND
13
GND
11
GND
GND
10
PAM101
3
BS
16
COUP_OUT
R109
C115
C1
0
0
R106
R115
R105
R104
C107
C109
C119
R113
C124
C123
C112
VBAT
L108
L104
L103
RFS101
2
A
C
3
GND
1
GND
4
1
1
2 2
3
3
4
4
5
5
6
6
PC
SR
X
VC
1
4
2
VC
2
A
N
T101
1
12
EG
SM
R
X
13
EG
SM
R
X
3
EG
SM
_
T
X
G
7
G
14
NC
5
PC
SR
X
8
9
U100
6
AN
T
10
DCS
R
X
DCS
R
X
11
D
|PC
ST
X
C114
R114
C118
C
110
L105
850LN
A_P
5
900LN
A_N
6
900LN
A_P
7
1800LN
A_N
8
1800LN
A_P
9
53
PI _XT| PI
MI_XT| M
I
63
MQ_XT| MQ
73
PQ_XT| PQ
83
BLXT
93
850LN
A_N
4
BHXT
04
DNG
14
NC
28
NC
29
VPC
3
NC
30
NC
31
3 CCV
23
NOMOL
33
ANEGI DV
43
ENUTX
02
XT
AL
21
V
CC2
22
DA
TA
IN
23
L
A
TCHE
NA
B
L
E
24
CL
K
25
SXEN
A
26
CHI
P
E
N
A
27
4CCV
31
NIFRXT
41
CPAV
51
PP MOC
61
NP MOC
71
J DAFPL
81
FUBX| Z HM62_ZHM31
91
T
XEN
A
2
UCP100
V
CC1
1
1900LN
A_N
10
1900LN
A_P
11
ANEXR
21
VRF_2.8V
C104
VBAT
C105
C121
R108
C117
CLK13M
_RF
ANT
AFC
SAT_DET
GSM
_
OUT
GSM
_
TX_EN
DCS_TX_EN
XOENA
BAND_SEL
SX_EN
SERCLK
SERLE
SERDAT
TX_FB
VAPC
DPCS_OUT
RTX_Q
P
GSM
74137_OUT
DCS74137_OUT
DPCS_OUT
PAC_EN
GSM
_
OUT
DCS74137_OUT
GSM
7
4137_OUT
TX_EN
VPC
RX_EN TX_FB
SAT_DET
VPC
M
O
D_SEL
RTX_I
P
RTX_I
N
RTX_QN