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C107
GSM_PAM_IN
C108
DPCS_PAM_IN
RF_EN
_PDN
19
PCS_LNA_IN_P
RFIPP
20
PCS_LNA_IN_N
RFIPN
21
DCS_LNA_IN_P
RFIDP
22
DCS_LNA_IN_N
RFIDN
23
GSM_LNA_IN_P
RFIEP
24
GSM_LNA_IN_N
RFIEN
25
RFIAP
26
RFIAN
27
GND
28
R103
AFC
C123
VRF_2.9V_REG
VRF_2.9V
C103
C102
16
18
17
15
14
13
12
11
U100
OSC100
4
1
VCCD_2.9V
C153
VIO
10
_RES
9
XOUT
8
RTX_I_P
BIP
7
RTX_I_N
BIN
6
RTX_Q_P
BQP
5
RTX_Q_N
BQN
4
SBCK
SCLK
3
SBDT
SDIO
2
SBLE
_SEN
1
XTAL_EN
VRF_2.9V_REG
VRF_2.9V
3
2
C134
C133
C132
10-25
Flow Chart of Troubleshooting
PAM_VRAMP
R102
VAPC
C111
R113
C130
C154
R114
C155
R115
R117
C156
CLK13M_TR
CLK13M_MC
CLK13M_TI
CLK13M_YMU
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