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Flow Chart of Troubleshooting
9-23
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H
L
H
H
<T X MO DU LE >
L
AN T_ SE L2
H
GS M 900 TX
L
GS M 1900 RX
UM TS 2100 RX /T X
GS M 1800/ 1900 TX
L
L
H
H
L
AN T_ SE L1
GS M 1800 RX
AN T_ SE L0
GS M 900 RX
H
H
L
H
H
H
MO DE
G
4
G
RF S 101
2
AC
3
1
C 105
L
1
0
0
R 102
L 106
L 104
L 102
C 115
C 131
C 118
C 114
C 116
5
G
1
IN
OU T
3
4
OU T
F 102
G
2
3
RS VD
4
RX 4
RX 3
5
RX 2
6
7
RX 1
8
A
N
T
G
N
D
9
G
N
D
2
2
23
GS M_ IN
2
4
G
N
D
25
VA PC
VB AT T
26
27
BS2
28
BS1
29
GN D
G
N
D
1
5
1
6
G
N
D
1
7
G
N
D
1
8
G
N
D
1
9
G
N
D
2
MO DE
2
0
G
N
D
21
DC S| PC S_ IN
PA M 100
_T XE N
1
10
WC DM A1
1
1
G
N
D
1
2
G
N
D
1
3
G
N
D
G
N
D
1
4
C 112
L 108
C 119
L 101
C 113
C 122
R 108
L 103
4
OU T
C 117
4
OU T
F 100
G
25
G
1
IN
3
OU T
F 101
G
25
G
1
IN
OU T
3
L 105
L 107
GS M_ RX M_ 900
DC S_ RX P
DC S_ RX M
PA _P WR _C TL
GS M_ AN T_ SE L2 _N
PC S_ RX P
PC S_ RX M
GS M_ RX P_ 900
C 247
C 257
C 256
C 230
C 232
TA 201
C 2
C 243
D
A
C
_
IR
E
F
67
T
X
_R
B
I A
S
68
G
N
D
_S
L
U
G
69
V DDA 2
7
N
C
70
N
C
71
NC
8
NC
9
V DDA 1
6
V
D
D
A
2
60
V
D
D
A
2
61
V
D
D
A
2
62
T
X
_I
N
63
T
X
_I
P
64
T
X
_
Q
N
65
T
X
_
Q
P
66
PD ET _I N
52
V
D
D
A
1
53
V
D
D
A
2
54
LB
_
R
F
_ O
U
T
1
55
H
B
_
R
F
_ O
U
T
1
56
LB
_
R
F
_ O
U
T
2
57
H
B
_
R
F
_ O
U
T
2
58
H
B
_
R
F
_ O
U
T
3
59
GPCS _I NN
45
DC S_ IN P
46
DC S_ IN N
47
EG SM _I NP
48
EG SM _I NN
49
VT UN E1
5
GCE LL_ IN P
50
GCE LL_ IN N
51
WP RX SE 1
38
NC
39
V DDA 1
4
NC
40
NC
41
NC
42
NC
43
GPCS _I NP
44
W
P
R
X
LB
P
30
W
P
R
X
LB
M
31
W
P
R
X
H
B
P
32
W
P
R
X
H
B
M
33
W
P
R
X
S
E
2
_
O
U
T
34
WP RX SE 1_ OU T
35
WP RX SE 2
36
NC
37
23
V
D
D
M
V
T
U
N
E
2
24
V
D
D
A
2
25
R
F
_
O
N
26
V
D
D
A
2
27
W
B
_
M
X
_
IN
P
28
W
B
_
M
X
_
IN
M
29
V DDA 1
3
NC
16
NC
17
N
C
18
N
C
19
TC XO
2
S
B
D
T
20
V
D
D
A
2
21
V
D
D
A
1
22
U 200
V DDA 2
1
V DDA 1
10
PR X_ QP
11
PR X_ QN
12
PR X_ IN
13
PR X_ IP
14
NC
15
R 204
C 254
C 233
L
20
6
R
2
08
C 253
C 250
C 249
RX _Q P
RX _Q M
RX _I P
RX _I M
SSB DT _R TR
_
_S3_
GS M_ RX P_ 900
GS M_ RX M_ 900
PC S_ RX P
PC S_ RX M
DC S_ RX P
DC S_ RX M
PW R _DE T
_O
N
_ T
X
_O
N
B
_
M
IX
_I
N
_ P
B
_M
IX
_I
N
_ M
Summary of Contents for SGH-F480
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