1 Hardware Overview
1.6 Power Supply
1-24
[CONFIDENTIAL]
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
1.6 Power
Supply
The power supply supplies many different voltages to the system board and performs the
following functions:
1.
Judges that the DC power supply (AC adapter) is connected to the computer.
2.
Detects DC output and circuit malfunctions.
3.
Controls the display of battery icon and DC IN icon.
4.
Turns the battery charging system on and off and detects a fully charged battery.
5.
Turns the power supply on and off.
6.
Provides the detection of a low battery.
7.
Calculates the remaining battery capacity.
8.
Controls the transmission of the status signal of the main battery.
The power supply output rating is specified in Table 1-8-1 and 1-8-2.
Summary of Contents for Satellite Pro A120
Page 10: ...x CONFIDENTIAL TECRA A8 Satellite Pro A120 Maintenance Manual 960 573 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA A8 Satellite Pro A120 Maintenance Manual 960 573 ...
Page 45: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 129: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 241: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 337: ... CONFIDENTIAL Appendices ...
Page 338: ...Appendices App ii CONFIDENTIAL TECRA A8 Satellite Pro A120 Maintenance Manual 960 573 ...
Page 346: ...Appendices App x CONFIDENTIAL TECRA A8 Satellite Pro A120 Maintenance Manual 960 573 ...