![background image](http://html1.mh-extra.com/html/samsung/c3212-duos/c3212-duos_service-manual_4622066033.webp)
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-8
9-4. Sim Part
9-4-1 Master Sim
SIM300 pin 1
or R200 = "H" ?
Phone can't access SIM Card
Resolder R200 C215 and C214
Check the SIM Card
END
No
Yes
Yes
Yes
No
Resolder or Replace SIM200
After Power ON,
Check SIM_CLK_1 Signal on
pin3 of SIM200 in a few second
Yes
No
Replace PBA
After SIM card insert,
SIM200 pin 2 =
"H(SIM_RST_1)"?
Yes