User Guide

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Flow Chart of Troubleshooting and Circuit Diagrams
10-6
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R702
C702
VCCD_2.8
C703
VRST_1.8V
C705
VBAT
L702
D701
4
SW2
7
VFB1
1
VFB2
10
3
VIN
VOUT
2
C706
U701
11
GND
GND
5
9
OUT2
RUN1
8
6
RUN2
SW1
C701
HPEIO_1.8V
L701
HP_CORE_1.57V
TA701
R112
C123
C138 C139
R110
VCCD_2.8
C122
C131
C132
C107
C129
VRF_2.9V
1
OSC101
2
4
3
C119
VRF_2.9V_REG
C150
C110
R104
R111
C130
C133
C108
VRF_2.9V_REG
C109
R113
C115
2
9
X
M
O
D
E
XOUT
8
X
T
A
L
1
3
5
X
T
A
L
2
3
4
19
_PDN
9
_RES
_SEN
1
3
SCLK
2
SDIO
V
D
D
1
3
3
V
D
D
2
3
2
V
D
D
3
12 11
V
D
D
4
V
D
D
5
16
V
D
D
6
17
VIO
10
X
D
I
V
3
0
X
E
N
3
6
R
A
M
P
O
U
T
27
RFIAN
26
RFIAP
23
RFIDN
22
RFIDP
25
RFIEN
RFIEP
24
21
RFIPN
RFIPP
20
R
F
O
H
P
18
R
F
O
L
P
15
3
1
A
F
C
BIN
6
7
BIP
4
BQN
BQP
5
28
GND
3
7
G
N
D
1
N
C
1
3
9
N
C
2
3
8
R
A
M
P
IN
1314
U102
VRF_2.9V
AFC
GSM850_LNA_IN_N
GSM850_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P
GSM_LNA_IN_N
GSM_LNA_IN_P
RF_EN
XOENA
CLK13M_TR
CLK13M_CSP
VAPC
VPC
DPCS_PAM_IN
GSM_PAM_IN
RTXIN
RTXIP
RTXQN
RTXQP
SERDAT
SERLE
SERCLK
DCS_LNA_IN_N
DCS_LNA_IN_P