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SGH-N620E Flow Chart of Troubleshooting
7-5
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3. Charging Part
Check the CN103
pin 17, 18 > 4.9V
Abnormal charging part
END
No
Yes
Check the U106 pin 3 > 4.9V
No
Yes
R103 (CHG_OIN side) = "L"
No
Yes
Check Q014 pin 5 ≠ 4.2V
No
Yes
Replace TA
Resolder U106
Resolder R103
Resolder components around U106