User Guide

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SGH-E100 Flow Chart of Troubleshooting

7-7

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4. Sim Part

CN301 pin 1,5 = "H"?

Phone can't access SIM Card

Check the sim charge pump

Check the SIM Card

END

Yes

Check the 32k OSC

After Power ON,

Check SIMCLK Signal on

CN301 pin3 in a few second

Yes

Replace PBA

After SIM card insert,

CN301 pin 2 = "H(SIM_RST)"?

Yes