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4. TROUBLE SHOOTING
Checking Flow
0.7V < voltage(R108) < 1.3V?
START
I/O Connector(CN300)
Is well-soldered ?
YES
Voltage at anode of
D102 = 5.2V ?
YES
Q100,D102,R106 are
well-soldered?
YES
Voltage across R106 is
about 10~100mV?
YES
YES
Battery is charged?
YES
Charging is
properly operating
Resolder the CN300
NO
Pin 4,5 : VCHARGE
Pin12,19 : GND
NO
The TA is out of order
Change the TA
NO
Resolder the
Q100, D102, R106
NO
Replace the
Q100, D102
NO
Replace the
The battery may have
NO
problems.
Change the battery.
- 66 -
Q100
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