Sim Part - Samsung SGH E590 - Cell Phone 70 MB Service Manual

9-4. Sim Part

Phone can't access SIM Card
CN400 pin 1,5 = "H"?
After Power ON,
Check SIMCLK Signal on
pin3 of CN400 in a few second
After SIM card insert,
CN400 pin 2 = "H(SIM_RST)"?
Check the SIM Card
Yes
Yes
Yes
Yes
Yes
END
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No
Resolder or replace U402
No
No
9-7
Flow Chart of Troubleshooting
Check the Clock
Replace PBA