Sim Part - Samsung SGH-E330N Service Manual

7-4. Sim Part

Phone can' t access SIM Card
CN400 pin 1, 5 = " H " ?
After Power ON,
Check SIMCLK Signal on
CN400 pin3 in a few second
After SIM card insert ,
CN400 pin 2 = " H (SIM _ R ST) " ?
Check the SIM Card
Y e s
Y e s
Y e s
Y e s
Y e s
END
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No
Check the sim charge pump
No
No
7- 9
Flow Chart of Troubleshooting
Check the 32k OSC
Replace PBA