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Flow Chart of Troubleshooting
9-46
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
L111
C122
L116
1
G G
3 4
G G
6
G
8 9
G
RX 5
TX
7
DUF100
ANT
2
L112
C127
UMTS_RX_2100
TRX_WCDMA_IMT
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 ...