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Flow Chart of Troubleshooting
7-30
Transmitter
< GSM >
R130
C156
C105
R117
C122
R121
L123
C120
C153
C1
69
C1
2
5
C115
NC
C109
C162
L128
L114
C135
R123
R100
C142
R131
C116
C118
R128
C124
C108
L120
C117
R120
R110
R127
L117
L111
L105
C134
C119
C103
L125
C154
L709
C121
L113
L712
C141
C143
C130
IN
1
3
OU
T
4
OU
T
1
7
VBAT
T
2
VC
C1
A
6
VC
C1
B
B
7837
F100
2
GG
5
GN
D
16
14
GN
D
GN
D
13
12
GN
D
4
GS
MIN
GS
MO
UT
11
RS
V
D
19
2
0
VAPC
15
DC
S/P
CS
OU
T
18
E
N
A
B
LE
GN
D 5
GN
D
21
7
GN
D
GN
D
8
9
GN
D
10
GN
D
U
102
BS
1
DC
S/P
CS
IN
3
L103
KMS-
5
1
2
2
A
C
3
G
1
G
4
CN100
C110
R129
R119
R115
L126
C152
C148
R125
C104
C1
68
C100
L115
L110
L119
C111
C161
C112
C107
R122
C102
R114
C113
C159
B
7852 F101
2
GG
5
IN
1
3
OU
T
OU
T
4
VD
D
25
C129
NC
18
5
RX
1
RX
2 2
RX
3 34
RX
4
TR
X
20
13
TX
1
11
TX
2
31
NC
NC
89
NC
NC
10
14
NC
NC
15
16
NC
7
17
NC
12
GN
D
19
21
GN
D
23
GN
D
GN
D
24
GN
D
30
GN
D
32
7
NC
29
NC
AN
T
22
CT
L
-A
26
27
CT
L
-B
CT
L
-C
28
GN
D
16
GN
D
GN
D
U103
3
4
OU
T
L121
B
7851
F102
G
25
G
1
IN
OU
T
L118
C137
8
12
VB
2
VC
10
G
G
9
14
G
G
13
5
OU
T
1
1
OU
T
2
SW
1
24
SW
2
VB
1
OS
C
101
G
3
G
67
G
11
C150
C151
C128
R124
C165
C140
C123
C127
C139
R118
C126
R116
L109
L102
R108
C146
R111
R112
C132
R126
C114
C138
C163
L108
R101
C101
C149
C144
L112
C145
R1
07
R105
L116
R102
L107
L101
C133
VD
DA
9
31
VD
DM
43
VT
UN
E_
RE
F
8
C160
V
DDA
1
7
56
VD
DA
2
5
VD
DA
3
7
VD
DA
4
10
VD
DA
5
15
V
DDA
6
23
V
DDA
7
26
V
DDA
8
27
VD
DA
1
4
VD
DA
10
36
VD
DA
11
39
VD
DA
12
41
V
DDA
1
3
48
V
DDA
1
4
50
V
DDA
1
5
52
V
DDA
1
6
54
TX
_
Q
N
17
TX
_
Q
P
16
TX
_V
CO
_F
B
42
U
M
T
S
1900_OU
T
53
U
M
T
S
2100_OU
T
51
U
M
T
S
800_OU
T
55
V
C
ON
T
R
OL
49
VC
O_
TU
NE
9
R_
BIA
S
33
SBC
K
44
SBD
T
45
SBST
46
TC
XO 6
TX
_
IN
19
TX
_
IP
18
TX
_M
OD
_C
P
40
NC1
58
NC2
59
RF
_
O
N
47
RX
_IN 14
RX
_IP 13
RX
_Q
N
12
RX
_Q
P
11
RX
_V
CO
_IN
32
GS
M1
80
0_
IN
N
34
GS
M1
80
0_
IN
P
35
GS
M
1900_I
N
N
24
GS
M
1900_I
N
P
25
GS
M
850_I
N
N
21
GS
M
850_I
N
P
22
GS
M9
00
_IN
N
38
GS
M9
00
_IN
P
37
CP
1 2
CP
2
30
CP
_H
OL
D1
1
CP
_H
OL
D2
29
DA
C_
RE
F
20
FA
Q1 3
FA
Q
2
28
GN
D
57
U101
R106
G
S
M_
AN
T
_
SEL
0
V
R
E
G
_RF
T
X
_2.
85V
AN
T
C147
G
S
M_
PA_
BAN
D
G
S
M_
PA_
EN
VBAT
T
_
4
.2
V
G
S
M_
PA_
PW
R
_
C
T
L
G
S
M_
AN
T
_
SEL
2
G
S
M_
AN
T
_
SEL
1
UM
T
S
_A
NT
V
R
E
G
_RF
R
X
_2.
85V
PC
S_
R
X
P
PC
S_
R
X
M
VR
EG
_
SYN
T
_
2
.8
5
V
DCS
_RX
P
DCS
_RX
M
GS
M
_
R
X
M
GS
M
_
R
X
P
T
X
_A
GC_A
DJ
VR
EG
_
M
SMP_
2
.6
V
TX
_
Q
P
TX
_
Q
M
TX
_
IP
TX
_
IM
TC
X
O
V
R
E
G
_RF
T
X
_2.
85V
VR
EG
_
R
T
R
VR
EG
_
R
T
R
VR
EG
_
SYN
T
_
2
.8
5
V
SBC
K
SBD
T
SBST
M
O
D_CP
T
XVC
O
UM
T
S
_T
X
R
F
VR
EG
_
R
T
R
VR
EG
_
R
T
R
VR
EG
_
R
T
R
DA
C_RE
F
FA
Q2
DCS
_RX
M
DCS
_RX
P
PC
S_
R
X
M
PC
S_
R
X
P
GS
M
_
R
X
M
GS
M
_
R
X
P
RF
_O
N_T
X
_O
N
RX
_I
M
RX
_I
P
RX
_Q
M
RX
_Q
P
RX
_V
CO
M
O
D_CP
DCS
_V
CO
_E
N
GS
M
_
V
C
O_E
N
T
XVC
O
CP
2