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8. Level 3 Repair
8-4-4. SIM PART
SIM part does not work
No
Check the
C4049,ZD4009,ZD4008
Check the VDD_1P8_AP(R4048) = 1.8V
No
No
YES
YES
Check the PMIC(U4007)
Check the SIM FPCB
PMIC(U4007), AP(UCP300)
Change the UCP3000
Change : SIM card
Replace : SIM FPCB
Check the SIM Card, SIM FPCB