LG KG245 Service Manual page 68

Checking Flow
I/O Connector(CN301)
Voltage at anode of
Q101,D101, R104 are
Voltage across R104 is
about 10~100mV?
0.7V < voltage(R105) < 1.3V?
Battery is charged?
properly operating
START
NO
Is well-soldered ?
YES
D101 = 5.2V ?
YES
well-soldered?
YES
YES
YES
YES
Charging is
- 69 -
4. TROUBLE SHOOTING
Resolder the CN301
Pin 4,5 : VCHARGE
Pin12,19 : GND
NO
The TA is out of order
Change the TA
NO
Resolder the
Q101, D101, R104
NO
Replace the
Q101, D101
NO
Replace the
Q101
The battery may have
NO
problems.
Change the battery.