SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-6
9-4. Sim Part
SIM300
pin 1,4(
C322
) = "H"?
Phone can't access SIM Card
Check the SIM charge pump
Check the SIM Card
END
No
Yes
Yes
Yes
No
Check the Clock
After Power ON,
Check whether SIMCLK Signal
on
pin3
(C334)
of
SIM300
in a few
Yes
No
Replace PBA
After SIM card insert,
SIM300
pin 2(SIM_RST) = "H"?
Yes
