LG F3000 - Page 67

4. TROUBLESHOOTING
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START
I/O Connector(CN301)
Is well-soldered ?
Voltage at anode of
D401 = 5.2V ?
D401, U701 are
well-soldered?
YES
YES
YES
Voltage across R714 is
about 1.2V?
YES
Battery is charged?
YES
Charging is
properly operating
NO
NO
NO
NO
NO
Resolder the CN301
Pin 4,5 : VCHARGE
Pin12,19,26 : GND
The TA is out of order
Change the TA
Resolder the
D401,U701
Replace the
D401,U701
The battery may have
problems.
Change the battery.
Checking Flow