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8. Level 3 Repair
8-4-4. SIM Part
Insert SIM card
Yes
Yes
END
Check the SIM1(C6013)
SIM2(C6028) Voltage.
= 3.0V or 1.8V?
No
Change to the new SIM card.
If it doesn`t still work SIM card after
changing
the SIM card,
Is SIM socket ok?
Check the TRAY_DET(R6003)
Yes
No
Replace SIM socket
SIM RST / CLK/ IO.
(SIM1 : ZD6003)
(SIM2 : ZD6006 )
Is signal ok?
No
Yes
Check the UCP400 (Crack etc)
