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Flow Chart of Troubleshooting
10-5
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10-1-3.
Sim Part
Check the voltage at pin#1
of SIM
600 >= 2.8V ?
"
Insert SIM is displayed on the LCD
Check the SIM connector's
(
SIM
600)
connection to
SIM card
Check the UCD300
Resolder or change SIM
600
END
No
Yes
Yes
Yes
Yes
No
No
Is there any signals
pin#2,#3,#4 of SIM
600 ?
Check the UCD3
00
Check the SIM Card
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