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Flow Chart of Troubleshooting
9-6
9-4. SIM Part
C379 = "H"?
Phone can't access SIM Card
Check the SIM POWER
Check the SIM Card
END
No
Yes
Yes
Yes
No
Check the 32.768 kHz OSC
After Power ON,
Check SIMCLK Signal on CN300
pin15 in a few second
Yes
No
Replace PBA
After SIM card insert,
CN300 pin 13 = "H(SIM_RST)"?
Yes