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Flow Chart of Troubleshooting
9-42
C110
C101
C137
L104
L107
TA100
C114
L102
G
2
5
G
1
IN
OUT
3
4
OUT
F100
C100
L109
C111
C108
L110
IN
OUT
3
4
OUT
L101
F101
G
2
5
G
1
C115
C113
R103
L100
9
D
N
G
BS1
28
GND
29
RSVD
3
RX4
4
5
RX3
6
RX2
RX1
7
T
N
A
8
02
D
N
G
DCS|PCS_IN
21
22
D
N
G
GSM_IN
23
42
D
N
G
VAPC
25
26
VBATT
27
BS2
31
D
N
G
41
D
N
G
51
D
N
G
D
N
G
61
D
N
G
71
D
N
G
81
D
N
G
91
MODE
2
PAM100
1
_TXEN
WCDMA1
10
D
N
G
11 21
D
N
G
L105
L106
NI
F
R
RFS101
3
G
G
2
G
4
1
4
L108
F102
2
G
G
5
IN
1
OUT 3
OUT
C102
L103
C107
C109
R107
C103
RFS100
A
2
3
C
1
G
4
G
C104
C112
DCS_RX_M
DCS_RX_P
GSM_PA_PWR_CTL
GSM_ANT_SEL2_N
GSM_RX_M
GSM_RX_P
PCS_RX_M
PCS_RX_P
C100
C102
5
0
1
C
6
0
1
C
C107
C108
C109
0
1
1
C
1
1
1
C
C112
C113
C114
5
1
1
C
C116
C117
C120
1
2
1
C
3
2
1
C
4
2
1
C
9
2
1
C
0
3
1
C
4
3
1
C
5
3
1
C
6
3
1
C
7
3
1
C
1
0
2
C
0
0
2
C
C204
C205
C206
7
0
2
C
C208
C209
C210
C211
C212
C213
C216
C217
C218
C221
C224
6
2
2
C
0
0
1
1
0
1
F
2
0
1
F
3
0
1
F
L100
1
0
1L
L102
L103
4
0
1L
5
0
1L
L106
7
0
1L
8
0
1L
L109
0
1
1L
L202
0
0
1
M
A
P
R10
0
R101
R102
3
0
1
R
R104
5
0
1
R
R106
R107
8
0
1
R
R202
0
0
1
S
F
R
0
0
2
C
S
0
0
1
A
T
TCX100
U20
1
Summary of Contents for SGH-F490
Page 79: ...8 PCB Diagrams 8 1 1 Main top ...
Page 80: ...PCB Diagrams 8 2 2 Main bottom ...
Page 103: ...www s manuals com ...