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Flow Chart of Troubleshooting
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7-
31
PC
S R
X
DCS
RX
GSM
R
X
L
120
11
G
S
M
900T
X
10
VC
1
12
V
C
2
VC
3
9
14
G
1
G
S
M
1800R
X
G
S
M
1800R
X
2
G
S
M
1800/
1900T
X
13
3
G
S
M
1900R
X
4
G
S
M
1900R
X
G
S
M
900R
X
5
G
S
M
900R
X
6
L
122
F
100
ANT
8
G
7
6
6
7
7
8
8
R
119
ANT
1
0
2
1
1
2
2
3
3
4
4
5
5
GN
D
2
OU
T
3
4
VC
C
1
VC
O
N
C
117
R
118
U
101
C
136
C
132
L
114
C
100
C
107
C
129
C
151
L103
+
V
CC_
S
Y
N
R
101
C
147
L
113
C
150
C
133
R
108
G
1
G
4
C
N
100
K
M
S
-512
2
AC
3
C
120
C
142
+
V
CC_
S
Y
N
L
101
C
121
C
123
1
3
C
141
F
102
2
L
115
C
102
L
125
+
V
CC_
S
Y
N
C
101
C
103
R
112
7
7
8
8
C
106
ANT
1
0
1
1
1
2
2
3
3
4
4
5
5
6
6
C
134
C
112
24
G
ND2
IN
1
OU
T
3
L
119
F
103
G
ND1
14
7
VDAC
10
VDET
VR
EF
11
8
VST
A
B
6
VTXON
RF
IN_
H
B
12
RF
IN_
L
B
18
RF
O
U
T
_
HB
RF
O
U
T
_
L
B
16
VBAND
9
2
VBAT1
VBAT2
3
13
VBAT3
VBAT4
U
103
17
G
G
15
1
G
G
19
5
MODE
4
L
117
L
118
R
114
R
111
+
V
CC_
S
Y
N
L
124
R
116
C
140
C
149
C
110
28
VCCSYN
23
V
DDL
16
L
126
REFIN
21
RE
F
V
CC
19
25
RFTUNE
32
SW
B
IA
33
SW
B
IB
40
SW
O
N
39
TX
V
C
C
VCCCP
26
11
V
CCIF
V
CCRF
31
VCCRFLO
2
8
IA
7
IB
LBIA
29
30
LBIB
38
LB
O
45
NC1
NC2
46
PG
M
D
IV
17
QA
10
QB
9
42 43
G
ND3
G
ND4
44
15
G
NDL
22
GNDREF
34
G
NDRF
1
1
GNDRF3
GNDRF4
3
37
G
N
FR
F2
35
HBIA
36
HBIB
HBO
20
CL
KF
DBX
18
CL
KO
UT
24
CTRL
12
DAT
A
EN
14
27
EXTRES
FESW1
4
5
FESW2
6
FESW3
41
GND1
G
ND2
C
137
U
102
13
CL
K
R
103
C
111
L
123
0
L815
R
115
R
117
L
104
L
102
R1
0
5
R
104
R
106
L
109
L
116
C
119
C
122
C
131
U
824
C
145
C
144
C
152
C
143
C
116
C
148
C
128
C
146
R
102
C
113
R
109
R
110
R
107
C
115
C
127
C
126
C
130
R
113
F
ESW
1
J
_
ANT
GS
M
_
T
X
DCS
_
T
X
+
V
DD_
RX
_
T
X
BAND_
S
E
L
PO
N
_
PA
RAM
P
M
O
D
E
_
SEL
EC
T
F
ESW
3
F
ESW
2
P
O
N
_3587_S
Y
N
T
H
+
V
DD_
RX
_
T
X
E
D
G
E
1_P
A
V
BAT
RF
_
E
N
+
V
DD_
IO
_
L
O
W
D_
RE
F
_
CL
K
AF
C
FE
S
W
3
FE
S
W
2
FE
S
W
1
RX
_
T
X
_
IP
RX
_
T
X
_
IN
RX
_
T
X
_
Q
P
RX
_
T
X
_
Q
N
+
V
DD_
RX
_
T
X
PO
N
_
SW
RF
_
DAT
A
RF
_
C
L
K
DCS
_
T
X
GS
M
_
T
X