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Flow Chart of Troubleshooting
9-8
9-3. Charging Part
Yes
Replace R308
Check the circuit related
Check the circuit related to
V_EXT_TA_VUSB_5.0V
Yes
No
Check the R308 = 3.6kohm?
Yes
No
Check the U300 pin 4.
under 0.4V?
Yes
No
END
Abnormal charging part
Check the Voltage Of L300.
under 5.0V?
Replace u300
