Lge Internal Use Only - LG -S367 Service Manual

CHECKING FLOW

LGE Internal Use Only

START
Change the battery
Battery is charged?
NO
Is I/O Connector(CN201)
well-soldered ?
YES
Check the voltage at
TP1 of U204 = 5V ?
YES
Battery is charged?
YES
Charging is
properly operating
YES
Charging is
properly operating
NO
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
Only for training and service purposes