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Flow Chart of Troubleshooting
9-4
C124
OUT
4
VCC
VCON
1
TCX100
GND
2
3
C134
C123
C135
C129
VREG_TCXO_2.85V
R108
C130
C136
TRK_LO_ADJ
CLK19.2M_RTR
CLK19.2M_TCXO
3
0
4
C
C404
C410
5
1
4
C
C417
C422
C423
C429
5
3
4
C
C436
L400
L401
2
0
4L
0
0
4
C
S
O
5
0
4
R
6
0
4
R
9
0
4
R
0
1
4
R
T
U
O
_
X
U
M
A
_
P
T
3
0
4
P
T
1
0
4
U
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
4
2
1
C
0
0
1
F
1
0
1
F
2
0
1
F
1
0
1
L
L102
4
0
1
L
5
0
1
L
7
0
1
L
8
0
1
L
0
1
1
L
0
0
1
M
A
P
R10 0
R101
3
0
1
R
R104
5
0
1
R
R106
R107
8
0
1
R
0
0
1
A
T
TCX100
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 ...