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Checking Flow
I/O Connector (CN300)
is well-solderd?
Voltage at anode of
D100 = 5.2 V?
Q100, D100, R108
are well-soldered?
Voltage across R108
is about 10~100mV?
0.7 < voltage(R109) < 1.3V?
Battery is charged?
Charging is
properly operating
Resolder the CN300
Pin 4,5 : VCHARGE
Pin 12,26.30 : GND
The TA is out of order
Change the TA
Resoler the
Q100, D100, R108
Replace the
Q100, D100
Replace the
Q100
The battery may have
problems.
Change the battery.
- 63 -
4 . TROUBLE SHOOTING
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