SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-5
This Document can not be used without Samsung's authorization
10-1-3. SIM Part
①
Flow chart of SIM Part
Check the U400 & UCP300
NO
Check the SIM Card
Resolder or change CN400
Check the voltage
at CN400 pin #11
≒
3.
0
Check the CN400's
Connection to SIM
card
YES
Check the U400
There is any signal
pin#13,#15,#16 of
CN400
NO
NO
YES
YES
** Check SIM's signal
when you see SIM checking display
"Please insert SIM card"
END
Summary of Contents for SGH-L170
Page 80: ......