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Flow Chart of Troubleshooting and Circuit Diagrams
10-6
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10-1-3. SIM Part
Check the voltage
at SIM701 pin #1
≒
2.8
"Please insert SIM card "
Check the SIM701's
Connection to SIM card
END
NO
Check the SIM Card
Solder SIM701 again or change
SIM701
YES
Check the UCD701
NO
YES
** Check SIM's signal
when you see SIM checking display