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Flow Chart of Troubleshooting
9-6
9-3. Charging Part
Yes
Resolder or replace U504
Check the circuit related to
AUX_ON signal
Check UCP200
(related CHG_ON signal)
Check the circuit related to
V_EXT_CHARGE
Yes
No
Check the U504 pin 10
≒ 4.2V
Yes
No
U504 pin 3 (AUX_ON)
= "L"?
Yes
No
U504 pin 5 (CHG_ON) = "L"?
Yes
No
END
Abnormal charging part
Check the U504 pin 1
> 4.9V
Summary of Contents for SGH-E500
Page 32: ...8 PCB Diagrams 8 1 8 1 Top ...
Page 33: ...PCB Diagrams 8 2 8 2 Bottom ...