Chapter 1
Hardware Overview
Satellite U840
Maintenance Manual (960-Q08)
ii
1
Hardware Overview
Chapter 1
Contents
1.1
Features ..........................................................................................................................1
1.2
System Block Diagram ..................................................................................................5
1.3
2.5-inch Hard Disk Drive ...............................................................................................8
1.5
Keyboard ......................................................................................................................10
1.6
TFT Color Display .......................................................................................................12
1.6.1
LCD Module With LED Backlight ........................................................12
1.7
Power Rails ..................................................................................................................15
1.8
Batteries .......................................................................................................................16
1.8.1
Main Battery ...........................................................................................16
1.8.2
Battery Charging Control .......................................................................17
1.8.3
RTC battery ............................................................................................18
1.9
AC Adapter ..................................................................................................................19
Summary of Contents for Satellite U840 Series
Page 1: ...Satellite U840 Maintenance Manual 960 Q08 Chapter 1 Hardware Overview ...
Page 18: ...Chapter 1 Hardware Overview Satellite U840 Maintenance Manual 960 Q08 15 ...
Page 24: ...2 1 Satellite U840 Maintenance Manual 960 Q08 Chapter 2 Troubleshooting Procedures ...
Page 190: ...Satellite U840 Maintenance Manual 960 Q08 Appendix B Appendix B Board Layout B 1 System Board ...