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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-5
9-3. Charging Part
Yes
Replace BTC401
Check the circuit related to
USB_VBUS_5V
Charging is completed
Check the circuit related to VEXT_5V
Yes
No
Check the U505 pin 9
≒ 4.2V
No
U505 pin6 = "H"?
Yes
No
U505 pin5(CHG_INDICATE)=
"H"?
Yes
No
END
Abnormal charging part
Check the U505 pin10 >
4.9V
Yes
No
Yes
No
Yes
No
No
END
Abnormal charging part