LG KE820 Service Manual page 80

START
18pin
MMI(CN100)
Yes
Source pin
of Q201=
Yes
Drain pin
of Q201 =
Yes
D201 voltage
drop
Yes
Battery voltage
is over 3.4V?
Yes
Battery
thermistor
Yes
Charge is operating
- 81 -
5. Trouble shooting
No
Resolder the
CN100
The TA can be
No
broken
Change other TA
No
Check solder
Q201 or replace it
No
Replace it
Waiting until
No
battery
Voltage goes up
Change the
No
Battery
retest