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Flow Chart of Troubleshooting
9-8
9-4. Sim Part
SIM400 pin 1,5 = "H"?
Phone can't access SIM Card
Change U400
Check the SIM Card
END
No
Yes
Yes
Yes
No
Check the Clock
After Power ON,
Check SIMCLK Signal on
pin3 of SIM400 in a few second
Yes
No
Change U400
After SIM card insert,
SIM400 pin 2 = "H(SIM_RST)"?
Yes
Summary of Contents for SGH-E500
Page 32: ...8 PCB Diagrams 8 1 8 1 Top ...
Page 33: ...PCB Diagrams 8 2 8 2 Bottom ...