Sim Part - Samsung SGH-F700V Service Manual

Flow Chart of Troubleshooting

9-4. Sim Part

Phone can't access SIM Card
After Power ON,
Check USIM_CLK Signal on
pin15 of SIM400 in a few
After SIM card insert,
pin 13 of SIM400 =
"H(USIM_RST)"?
Check the SIM Card
Yes
C445="H"?
Yes
second
Yes
Yes
Yes
END
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No
No
Check the 32.768 kHz OSC300
No
9-8
Check the SIM POWER
Replace PBA