Samsung SM-A307FN Service Manual page 95

8. Level 3 Repair
8-4-5. Charging Part
Insert
Charging Sequence Start
VBUS_IF_5V0 (C6031) = 5V
Check the VBUS_5V_OVP =5V
Battery is Charging?
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TA / USB
Yes
No
Yes
No
Yes
No
Yes
No
END
No
No
No
Replace HDC6000
Replace U6002
Replace U5003