Flow Chart of Troubleshooting
9-
8
9-4. Sim Part
CN200 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
CN500 pin3 in a few second
Yes
No
Replace PBA
After SIM card insert,
CN500 pin 2 = "H(SIM_RST)"?
Yes
Summary of Contents for SGH-Z310
Page 37: ...8 PCB Diagrams 8 1 8 1 PCB Top Diagram ...
Page 38: ...PCB Diagrams 8 2 8 2 PCB Bottom Diagram ...
Page 41: ...Flow Chart of Troubleshooting 9 3 ...
Page 45: ...Flow Chart of Troubleshooting 9 7 ...
Page 67: ...Flow Chart of Troubleshooting 9 29 ...