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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-7
9-4. Sim Part
SIM400 pin 1 = "H"?
Phone can't access SIM Card
Check the SIM POWER
Check the SIM Card
END
No
Yes
Yes
Yes
No
Check the 32k OSC
After Power ON,
Check SIMCLK Signal on
SIM400 pin3 in a few second
Yes
No
Replace PBA
After SIM card insert,
SIM400 pin 2 = "H(SIM_RST)"?
Yes
Summary of Contents for SGH-ZV50
Page 36: ...8 PCB Diagrams 8 1 Top ...
Page 37: ...PCB Diagrams 8 2 Bottom ...