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Level 3 Repair
8-3-6. SIM Card Working
& Neighboring Circuits
Insert & Operate
SIM card
NG
SIM Connector
Break down?
Yes
C508
= 2.85V
Yes
Check SIM_RST
(C501)
SIM_CLK(C502)
Yes
Check SIM500
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Change SIM500
No
Check U202
No
Change main chip
8-18
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