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1-3. sim part – Sharp SGH-C130 User Manual

Page 42

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Flow Chart of Troubleshooting

10-8

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10-1-3. Sim Part

Check the voltage at

pin#1 of SIM103 >=

2.8V ?

"Insert SIM is displayed on the LCD

Check the SIM

connector's (SIM103)

connection to SIM card

Check the

U107

Resolder or change

SIM103

END

No

Yes

Yes

Yes

Yes

No

No

Is there any signals

pin#2,#3,#4 of SIM103 ?

Check the

U107

Check the SIM Card