Sim Part - Samsung SGH-F860V Service Manual

SGH-E860V Flow Chart of Troubleshooting

2-1-3. Sim Part

"Insert SIM" is displayed on the LCD
The voltage is 2.8V
at the pin#1 of CN400
Is there any signal
pin #2,3,4 of CN400?
Check the SIM Card
END
Vsim
Sim_rst
Sim_clk
C404
Yes
Yes
C405 C407 C406
No
Check the
No
Check the
Cn400
6
1 1 6
5 5
2 2
4
3 3 4
G G G G
10 9 8 7
2-6
U401
U401 & U200
C409
Sim_io