LG KG271 - Page 77

4. TROUBLE SHOOTING
- 78 -
START
I/O Connector(CN301)
Is well-soldered ?
Is The Voltage of C126
5.2V ?
The Voltage of C128
Is 2.8V
YES
YES
YES
Check the voltage of R124
High or Low?
YES
Battery is charged?
YES
Charging is
properly operating
NO
NO
LOW
NO
NO
Resolder the CN300
Pin 12,13 : VCHARGE
The TA is out of order
Change the TA
Replace the
U101
Check the U102
The battery may have
problems.
Change the battery.
Checking Flow