Level 3 Repair
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8-27
8-3-13. Charging Part
TA / USB Insert
Yes
Check
VUSB_FET_5V = 5V
Check IFC5000,
or may not connected TA / USB
No
Charging Sequence Start
VBUS_FET_5V = 5V
No
Yes
Yes
END
No
Resolder and Replace U4003(KTS1681)
Battery is Charging?
Resolder or Replace U4001(MAX77849)
Abnormal