SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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10-14
10-4. Sim Part
Phone can't access SIM Card
Yes
CD501 pin 11,14 = "H"?
No
Check the sim charge pump
Yes
After Power ON,
Check SIM_CLK Signal on
pin15 at CD501
Check the SIM Clock
No
Yes
After SIM card insert,
CD501 pin 13
= "H(SIM_RST)"?
Resolder CD501 or replace PBA
No
Yes
Check the SIM Card
Yes
END
Summary of Contents for SGH-I740c
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