Table of Contents
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Flow Chart of Troubleshooting
3-1-3. Sim Part
"Insert SIM" is displayed on the LCD
Check the SIM connector's
(CD201)connection to SIM card?
Check the voltage at Pin
#11 of CN201 >=2.8V
IS there any signals Pin
#13,#15,#16
Check the SIM Card
YES
YES
YES
YES
END
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NO
NO
Check the UCP 201
NO
3-8
Resolder or change CD201
Check the UCP 201
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Table of Contents
Troubleshooting
