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4. TROUBLE SHOOTING
Checking Flow
0.7V < voltage(R131) < 1.3V?
START
I/O Connector(CN300)
Is well-soldered ?
YES
Voltage at anode of
D101 = 5.2V ?
YES
Q102,D101,R129 are
well-soldered?
YES
Voltage across R129 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
Q102, D101, R129
NO
Replace the
Q102 , D101
NO
Replace the
The battery may have
NO
problems.
Change the battery.
- 52 -
Q102
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