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Flow Chart of Troubleshooting
3-4
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C327
C329
C330
C310
C321
C322
C316
C315
VBAT
C328
VCCD_2.9V
L318
C369
C309
C307
R304
VRF_2.9V
R301
VDD
51
VLDO1
6
1
VLDO2
9 VLDO3
TXOP_LO
81
C
F
A
V
VBAT
41
I
B
B_
C
C
V
4
42
Q
B
B_
C
C
V
E
F_
C
C
V
1
F
E
R_
C
C
V
71
VCC_TXVCO
31
21
RX850
13
RX850B
03
RX900
9
2
RX900B
K
L
C
S
6
A
T
A
D
S
5
N
E
S
7
11
TXOP_HI
01
NI
F
E
R
02
91
B
NI
F
E
R
12
P
O_
F
E
R
82
RX1800
RX1800B
72
RX1900
62
RX1900B
52
23
GND
33
2
I
3
BI
8
C
N
43
C
N
C
N
53
Q
32
B
Q
22
U300
2
GND1
GND2
4
HOT
1
3
HOT
OSC400
C301
C303
AFC
GSM_PAM_IN
DPCS_PAM_IN
RTXIP
RTXIN
RTXQP
RTXQN
26M_OUT
DCS_LNA_IN_N
DCS_LNA_IN_P
GSM_LNA_IN_N
GSM_LNA_IN_P
SERCLK
SERDAT
SERLE