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Flow Chart of Troubleshooting
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9-5
9-3. Charging Part
# Related Circuit and Block Diagram are same to Power-On Sequence's one.
Check the U406 pin 38
> 4.9V
Charging Function does not work.
END
No
Yes
Check the U406 pin 46
≒ 3.7V
No
Yes
Check the circuit related to
V_EXT_CHARGE
Resolder or replace U406
Yes