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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-29
This Document can not be used without Samsung's authorization
8-3-8. SIM Card Working
Resolder
TR400
Change
U401(PMIC)
Yes
Check
TR500
SIM FPCB
Break down?
Yes
Change RCV_SIM
Module
No
No
Yes
C519
= 3.0V
NG
Check HDC500
& Neighboring Circuits
Insert & Operate
SIM card