Samsung SGH-F480 Servise Manual page 33

RF S 101
G AC G
1 2 3 4
C 105
C 131
26 4
VB AT T RX 4
5
RX 3
10 6
WC DM A1 RX 2
21 7
DC S| PC S_ IN RX 1
23
PA M 100
GS M_ IN
2
MO DE
27 3
BS2 RS VD
28 1
BS1 _T XE N
25
VA PC
GN D
29
<T X MO DU LE >
R 108
PA _P WR _C TL
C 122
1
2
3
4
5
6
7
8
9
10
11
RX _Q P
12
RX _Q M
13
RX _I M
14
RX _I P
15
16
17
SSB DT _R TR
TA 201
C 249
C 256 C 257
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AN T_ SE L0
GS M 900 TX
GS M 1800/ 1900 TX
GS M 900 RX
GS M 1800 RX
GS M 1900 RX
UM TS 2100 RX /T X
F 100
C 113
1
IN
R 102 L 103
1
C 117
1
C 119
R 204
V DDA 2 GCE LL_ IN N
TC XO GCE LL_ IN P
V DDA 1 EG SM _I NN
V DDA 1 EG SM _I NP
VT UN E1
V DDA 1
V DDA 2 GPCS _I NN
NC U 200 GPCS _I NP
NC
V DDA 1
PR X_ QP
PR X_ QN
PR X_ IN
PR X_ IP WP RX SE 1
NC
NC WP RX SE 2
NC
WP RX SE 1_ OU T
C 250
C 253 C 254
9-23
Flow Chart of Troubleshooting
MO DE
AN T_ SE L1 AN T_ SE L2
L H L
H H L
H L
H
H
H H
H
L H
H L L
C 112
3
OU T
L 101
C 114
4
OU T
G G
C 115
25
L 102
F 101
3 L 105
C 116
OU T
IN
4 L 104
OU T
G G
25
F 102
3
OU T
L 106
IN
L 108
4 C 118
OU T
G G
2 5
L 107
GS M_ AN T_ SE L2 _N
_ _S3_
C 232
C 230
PW R _DE T
C 233
PD ET _I N
51
50
49
GS M_ RX M_ 900
48
GS M_ RX P_ 900
47
DC S_ IN N DC S_ RX M
46
DC S_ IN P DC S_ RX P
45
PC S_ RX M
44
PC S_ RX P
43
NC
42
NC
41
NC
40
NC
39
NC
38 C 243
37
NC
36
35
C 247
C 2
GS M_ RX M_ 900
GS M_ RX P_ 900
DC S_ RX M
DC S_ RX P
PC S_ RX M
PC S_ RX P