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Flow Chart of Troubleshooting
9-4
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9-1-2.
Sim Part
Check the voltage at pin
1
of SIM
700 >= 2.8V ?
"
Insert SIM is displayed on the LCD
Check the SIM connector's
(
SIM
700)
connection to
SIM card
Check the UCP300
Resolder or change SIM
700
END
No
Yes
Yes
Yes
Yes
No
Is there any signals pin2,
3,
4
of SIM
700 ?
Check the UCP3
00
Check the SIM Card
No
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