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8. Level 3 Repair
8-4-5. SD card
Insert SD Card
Is SIM/SD Assy OK?
Abnormal
Ab
Replace SIM/SD Assy
Normal
Check the VDD_TFLASH_3P0
C6017 >= 3.0 V
TRAY_DET
R6028 = 1.8 V
Abnormal
Ab
Change to the new SD card.
If it doesn`t still work well after changing the SD card,
Check PMIC(U5011),AP(UC400) (Crack etc)
Normal
Check
TFLASH_DATA(0)~D(3) ,
TFLASH_CMD
(R6029,R6030,R6031,R605)
TFLASH_CLK(R4053)
Normal
Check the AP(U400) (Crack etc)
Abnormal
Ab
End
Change PBA
Normal