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CHECKING FLOW
TP01 (Charging IC(U200))=5.1V ?
LGE Internal Use Only
START
Change the battery
Battery is charged?
NO
Is I/O Connector(CN201)
well-soldered ?
YES
Check the voltage at
YES
Battery is charged?
YES
Charging is
properly operating
YES
Charging is
properly operating
Resolder the CN201
NO
(Pin 1 : VBUS_USB)
The TA is out of order
NO
Change the TA
NO
Replace the main board
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