Sim Part - Samsung SGH-D600 Service Manual

Gsm telephone
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Flow Chart of Troubleshooting

7-4. Sim Part

Phone can' t access SIM Card
CN400 pin 1, 5 = " H " ?
After Power ON,
Check SIMCLK Signal on pin3
of SIM400 in a few second
After SIM card insert ,
CN400 pin 2 = " H (SIM_RST) " ?
Check the SIM Card
Y e s
Y e s
Y e s
Y e s
Y e s
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung ' s authorization
No
Check the sim charge pump
No
No
7- 8
Check the clock
Replace PBA

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