1.6 Power Supply
1 Hardware Overview
TECRA M4 Maintenance Manual (960-521)
[CONFIDENTIAL]
1-29
1.6 Power
Supply
The power supply supplies different voltages to the system board.
The power supply microcontroller has 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 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 more accurate detection of a low battery.
7.
Calculates the remaining battery capacity.
8.
Controls the transmission of the status signal of the main battery.
Содержание Tecra M4
Страница 10: ...x CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 1 Hardware Overview ...
Страница 51: ...1 Hardware Overview 1 8 AC Adapter 1 36 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 52: ... CONFIDENTIAL Chapter 2 Troubleshooting ...
Страница 53: ...2 Troubleshooting 2 ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 2 ...
Страница 57: ...2 Troubleshooting 2 vi CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 114: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 115: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 119: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 223: ...3 Tests and Diagnostics 3 30 SETUP 3 104 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 224: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 225: ...4 Replacement Procedures 4 ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 4 ...
Страница 279: ...4 19 QI board CN board 4 Replacement Procedures TECRA M4 Maintenance Manual 960 521 CONFIDENTIAL 4 49 ...
Страница 300: ...4 Replacement Procedures 4 29 Digitizer 4 70 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 320: ... CONFIDENTIAL Appendices ...
Страница 321: ...Appendices App ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 333: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 341: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 379: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 383: ...Appendices Appendix G BIOS Rewrite Procedures G 2 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 385: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Страница 387: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...