LG CE500 Service Manual page 38

START
Voltage at VCHG of U101
= 5.2V?
Yes
No
R140, Q102, D102
well-soldered?
Yes
No
Voltage across
D102 = ~0.3V
Yes
Voltage across No
R140 is ~100mV?
Yes
No
~0.7 <Voltage(Q102)<1.3V
No
The charging adaptor(TA) is out of
Change the charging adaptor
Resolder
R140, Q102, D102
Replace D102
Replace the R140
Replace the Q102
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4. TROUBLE SHOOTING
order.
Charging is
operating properly.
Yes
No
Battery is OK?
Yes
The battery may
have problems.
Change the battery.