Chapter 1 Hardware Overview
Satellite U300 and Satellite Pro U300 Maintenance Manual (960-Q02)
1.8.2 Battery Charging Control
Battery charging is controlled by a power supply microprocessor. The power supply
microprocessor controls power supply and detects a full charge when the AC adaptor and
battery are connected to the computer.
θ
Battery Charge
When the AC adapter is connected, normal charging is used while the system is
turned on and quick charge is used while the system is turned off. Refer to the
following Table 1-11.
Table 1-11 Time required for charges of main battery
Condition Charging
Time
Power On Charge
About 6 hours
Power Off Charge
About 3 hours
Charge is stopped in the following cases.
1. The main battery is fully charged
2. The main battery is removed
3. Main battery or AC adapter voltage is abnormal
4. Charging current is abnormal
θ
Data preservation time
When turning off the power in being charged fully, the preservation time is as
following Table 1-12.
Table 1-12 Data preservation time
Condition preservation
time
Standby
About 3 days
Hibernation
About 1 month
29
Содержание Satellite U300
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Страница 236: ...App ii Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Страница 246: ...Handling the LCD Module A 6 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Страница 248: ...Board Layout Figure B 2 System board layout Back B 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Страница 261: ...Board Layout Figure B 2 System board layout Back B 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
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Страница 357: ...Wiring Diagrams F 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
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