Sim Part - Samsung SGH-i700 Service Manual

4. SIM Part

Phone can't access SIM card
Check the pin 1 of
CN701. voltage is 2.8V
Check the SIM
connector's CN701
Connection to SIM card
Check the circuit around U701
(Serial EEPROM) and data stored in it
Yes
?
Yes
Yes
Yes
END
SAM SU N G Pr opr i et ar y- C ont ent s m ay change w i t hout not i ce
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SGH-I700 Flow Chart of Troubleshooting
No
Check the circuit related to CN701
No
Resolder CN701
2-5