LG S5000 Service Manual page 69

4. TROUBLE SHOOTING
Checking Flow
START
I/O Connector(CN301)
Is well-soldered ?
Voltage at anode of
D101 = 5.2V ?
U102,D101,R103 are
well-soldered?
Voltage across R103 is
about 10~100mV?
0.7V < voltage(R107) < 1.3V?
Battery is charged?
Charging is
properly operating
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Resolder the CN301
Pin 4,5 : VCHARGE
Pin12,19 : GND
The TA is out of order
Change the TA
Resolder the
U102, D101, R103
Replace the
U102, D101
Replace the
U102
The battery may have
problems.
Change the battery.
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