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Flow Chart of Troubleshooting
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9-5
9-3. SIM Part
"Insert SIM" is displayed on the LCD
The voltage is 2.8V
at the pin#1 SIM300
No
Check UCP200, C439
Yes
Is there any signal
pin #2,3,4 of SIM300?
Check UCP 200, U300
No
Yes
Check the SIM Card
END
3
0
1
T
N
A
2
0
1
T
N
A
C117
C118
1
2
1
C
3
2
1
C
4
2
1
C
8
2
1
C
C136
7
3
1
C
4
1
3
C
5
1
3
C
6
1
3
C
7
1
3
C
8
1
3
C
C607
0
1
6
C
9
0
6
C
C632
0
0
1
F
8
0
1
L
R107
1
1
1
R
4
2
1
R
5
2
1
R
7
1
6
R
8
1
6
R
9
1
6
R
0
0
3
MI
S
U103
BC313141A18-IXF-E4
U602
Содержание SGH SGH-M110
Страница 28: ...Block Diagrams 7 2 7 2 RF Solution Block Diagram ...
Страница 29: ...8 PCB Diagrams 8 1 Main top view ...
Страница 30: ...PCB Diagrams 8 2 Main bottom biew ...
Страница 75: ......