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4.5 Charging Trouble
CHECKING FLOW
Change the battery
Battery is charged?
Is I/O Connector(CN201)
well-soldered ?
Check the voltage at
Pin 1 of MAX8922ETD = 5.1V ?
Battery is charged?
properly operating
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Only for training and service purposes
START
YES
NO
NO
YES
YES
YES
Charging is
4. TROUBLE SHOOTING
Charging is
properly operating
Resolder the CN201
(Pin 1 : VBUS_USB)
NO
The TA is out of order
Change the TA
NO
Replace the main board
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4. TROUBLE SHOOTING
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