Sim Part - Samsung SGH-P200 Service Manual

9-4. Sim Part

Phone can't access SIM Card
SIM400 pin 1,5 = "H"?
After Power ON,
Check SIMCLK Signal on
pin3 of SIM400 in a few second
After SIM card insert,
SIM400 pin 2 = "H(SIM_RST)"?
Check the SIM Card
Yes
Yes
Yes
Yes
Yes
END
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This Document can not be used without Samsung's authorization
No
Resolder or replace U400
No
Check the Clock (related to OSC400)
No
9-9
Flow Chart of Troubleshooting
Replace PBA