Sim Card Working - Samsung GT-C3300K Service Manual

Level 3 Repair

8-3-8. SIM Card Working

& Neighboring Circuits
Insert & Operate
SIM card
NG
SIM Connector
Break down?
YES
C357
= 3.0V
Yes
Check SIM_RST
(C355)
SIM_CLK(C356)
Yes
Check SIM300
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
Change SIM300
No
Check UCP200
No
Change main chip
8-22