SAMSUNG Proprietary-Contents may change without notice
SGH-Z130 Flow Chart of Troubleshooting and Circuit Diagrams
2-
5
This Document can not be used without Samsung's authorization
3. SIM Part
Check the voltage
at pin #1 of CN501
≒
2.85V ?
Check the circuit related
to CN501
"Please insert SIM card "
Check the CN501's
Connection to SIM card
END
Check the circuit around
U400 and data stored in it
YES
NO
NO
YES
Resolder CN501