Sim Part - Samsung SGH-X160 Service Manual

10-1-3. Sim Part

"Insert SIM" is displayed on the LCD
The voltage is 2.8V
at the pin#1 of SIM103
Is there any signal
pin #2,3,4 of SIM103?
Check the SIM Card
VSIM
SIM_RST
SIM_CLK
C138 C139 C140 C141
Yes
Yes
END
SIM103
SIM_IO
C142
No
Check the
No
Check the
2
10-5
Flow Chart of Troubleshooting
UCP107
UCP107 & UCP201
1
2
1
2