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Flow Chart of Troubleshooting
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9-5
9-3. Charging Part
Check the U501 pin 16
> 4.9V
Abnormal charging part
END
No
Yes
U501 pin 12 = "L"?
No
Yes
U501 pin 4 = "L"?
No
Yes
Check the U501 pin 15
≒ 4.2V
No
Yes
Check the circuit related to
V_EXT_CHARGE
Resolder or replace U501
Check the circuit related to
AUX_ON signal
Resolder or replace U501
Yes
Summary of Contents for SGH-E380
Page 32: ...8 PCB Diagrams 8 1 Top ...
Page 33: ...PCB Diagrams 8 2 Bottom ...