LG -ID3100 Service Manual page 33

LG-ID3100
Checking Flow
SETTING : Connect the battery and the charging adaptor (TA) to the phone
START
Charging Connector
TP1(CON404)
Well-soldered?
Voltage at
TP3(Pin25(V_CHAR))
of TP1(CON404)
Check TP2(U201) circuit
Is the battery
charged
Charging will operate properly
LGE
LG Electronics Inc.
YES
YES
=5V ?
YES
NG
YES
NO
YES
31/57
NO
Re-solder or replace
TP1(CON404)
NO
The charging adaptor (TA) is out of order.
Change the charging adaptor.
Replace TP2(U201) or
mainboard
The battery may have the problem
Change the battery and try again.
LGE Internal Use Only