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Flow Chart of Troubleshooting
3-6
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3-1-3. Sim Part
Check the voltage at pin#1
of CN301 >= 2.8V ?
"Insert SIM is displayed on the LCD
Check the SIM connector's
(CN301) connection to SIM
card
Check the
UCP300
Resolder or change
CN301
END
No
Yes
Yes
Yes
Yes
No
No
Is there any signals
pin#2,#3,#4 of CN301 ?
Check the
UCP300
Check the SIM Card
C301
C302
R300
C304
C303
C300
5
5
6 6
7
G G
8 9
G G
10
CN301
1
1
2
2
3
3
4 4
SIM_IO
VSIM
SIM_RST
SIM_CLK
Содержание SGH-M600
Страница 47: ...6 PCB Diagrams 6 1 CONFIDENTIAL Service Schematics...
Страница 48: ...PCB Diagrams 6 2 CONFIDENTIAL Service Schematics...
Страница 55: ...PCB Diagrams 6 3 CONFIDENTIAL Service Schematics...