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Level 3 Repair
8-3-4. Charging Part
Insert Charging Dock
TA / USB Insert
Charging Sequence Start
V_BUS_5V = 5V
V_BUS_OVP_5V(C460)=5V
V_BATT(C453)>4.2V without
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Yes
Yes
Check the
Yes
Check the
Battery
Yes
END
No
Check C456, C494 = 5V,
or may not connected TA / USB
No
Resolder or Replace U404
No
Resolder or Replace U403
8-10
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