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Flow Chart of Troubleshooting
9-4
9-3. SIM Part
Yes
After SIM card insert,
CN500 pinC2(USIM_RST) =
"H"?
CN500 pin
C1(VREG_USIM_3V) = "H"?
After Power ON,
Check CN500
pinC3(USIM_CLK) in a few
second
Yes
Replace PBA
No
Yes
Check the OSC500
No
Yes
Yes
No
END
Check the SIM Card
Check the SIM Power
Phone can't access SIM Card
Summary of Contents for SGH-ZV40
Page 32: ...8 PCB Diagrams 8 1 ...
Page 33: ...PCB Diagrams 8 2 ...