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1 Hardware Overview
PORTÉGÉ R300 Maintenance Manual (960-591)
[CONFIDENTIAL]
1-19
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 1-4.
Summary of Contents for PORTEGE R300
Page 10: ...x CONFIDENTIAL PORTÉGÉ R300 Maintenance Manual 960 591 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 ii CONFIDENTIAL PORTEGE R300 Maintenance Manual 960 591 ...
Page 38: ...1 Hardware Overview 1 24 CONFIDENTIAL PORTÉGÉ R300 Maintenance Manual 960 591 ...
Page 39: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 40: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL PORTÉGÉ R300 Maintenance Manual 960 591 ...
Page 115: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 116: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE R300 Maintenance Manual 960 591 3 ...
Page 120: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTEGE R300 Maintenance Manual 960 591 ...
Page 227: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 228: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ R300 Maintenance Manual 960 591 ...
Page 232: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ R300 Maintenance Manual 960 591 ...
Page 281: ... CONFIDENTIAL Appendices ...
Page 282: ...Appendices App ii CONFIDENTIAL PORTEGE R300 Maintenance Manual 960 591 ...
Page 290: ...Appendices App x CONFIDENTIAL PORTEGE R300 Maintenance Manual 960 591 ...
Page 342: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R300 Maintenance Manual 960 591 ...
Page 352: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE R300 Maintenance Manual 960 591 ...