LG KE600 Service Manual - Page 80
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Page 80 highlights
5. Trouble shooting START 24pin MMI(CN403) 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 No Resolder the CN403 No The TA can be broken Change other TA No Check solder Q201 or replace it No Replace it Waiting until No battery Voltage goes up to 3.4V No Change the Battery retest - 81 -
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5. Trouble shooting
- 81 -
START
24pin
MMI(CN403)
Source pin
of Q201=
Drain pin
of Q201 =
D201 voltage
drop
Resolder the
CN403
Battery voltage
is over 3.4V?
Charge is operating
The TA can be
broken
Change other TA
Check solder
Q201 or replace it
Replace it
Waiting until
battery
Voltage goes up
to 3.4V
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Battery
thermistor
Change the
Battery
retest
No
Yes