LG -A120 Service Manual page 74

4.13.3 Checking Flow
I/O Connector (J600) is
well-soldered ?
Is the Voltage of TP1 &
TP2 between 4.8V &
The voltage of TP3 &
TP4 is over 2.5V ?
Battery is charged ?
Charging is properly operating
Start
YES
6.4V?
YES
YES
YES
.
NO
Re-solder the J600 :
VCHARGE
NO
The TA is out of order .
Change the TA
NO
Replace the U301
NO
The battery may have problem
Change the Battery
74
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