![Toshiba Satellite A200 Series Maintenance Manual Download Page 115](http://html.mh-extra.com/html/toshiba/satellite-a200-series/satellite-a200-series_maintenance-manual_425820115.webp)
3.9 Display Test
3 Tests and Diagnostics
PORTEGE A200 Maintenance Manual (960-499)
3-19
3.9 Display Test
To execute the Display Test, select
4
from the DIAGNOSTIC TEST MENU, press
Enter
and
follow the directions on the screen. Move the highlight bar to the subtest you want to execute and
press
Enter
.
Subtest 01
VRAM read/write for VGA
This subtest writes the constant data (AAh and 55h) to the video RAM. The data is
read and compared to the original data.
Subtest 02
Gradation for VGA
This subtest displays four colors: red, green, blue and white from left to right across
the screen from black to maximum brightness. The display below appears on the
screen, when this subtest is executed.
To exit this subtest and return to the DISPLAY TEST menu, press
Enter
.
Subtest 03
Gradation for LCD
This subtest displays bands of gradations for mixed colors, then for red, green, and
blue. Next, it displays eight solid colors full screen: red, semi-red, green, semi-
green, blue, semi-blue, white, and semi-white. Each color displays for three
seconds.
Summary of Contents for Satellite A200 Series
Page 10: ...x PORTEGE A200 Maintenance Manual 960 499 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii PORTEGE A200 Maintenance Manual 960 499 1 Hardware Overview ...
Page 36: ...Chapter 2 Troubleshooting Procedures ...
Page 37: ...2 Troubleshooting Procedures 2 ii PORTEGE A200 Maintenance Manual 960 499 2 ...
Page 41: ...2 Troubleshooting Procedures 2 vi PORTEGE A200 Maintenance Manual 960 499 ...
Page 91: ...Chapter 3 Tests and Diagnostics ...
Page 92: ...3 Tests and Diagnostics 3 ii PORTEGE A200 Maintenance Manual 960 499 3 ...
Page 96: ...3 Tests and Diagnostics 3 vi PORTEGE A200 Maintenance Manual 960 499 ...
Page 199: ...Chapter 4 Replacement Procedures ...
Page 200: ...4 Replacement Procedures 4 ii PORTEGE A200 Maintenance Manual 960 499 4 ...
Page 278: ...Appendices ...
Page 279: ...Appendices App ii PORTEGE A200 Maintenance Manual 960 499 ...
Page 284: ...Appendices PORTEGE A200 Maintenance Manual 960 499 App vii ...
Page 290: ...Appendices Appendix A Handling the LCD Module A 6 PORTEGE A200 Maintenance Manual 960 499 ...
Page 322: ...Appendices Appendix C Pin Assignment C 26 PORTEGE A200 Maintenance Manual 960 499 ...
Page 332: ...Appendices Appendix E Key Layout E 2 PORTEGE A200 Maintenance Manual 960 499 ...
Page 334: ...Appendices Appendix F Wiring Diagrams F 2 PORTEGE A200 Maintenance Manual 960 499 ...
Page 336: ...Appendices Appendix G BIOS Rewrite Procedures G 2 PORTEGE A200 Maintenance Manual 960 499 ...
Page 338: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 PORTEGE A200 Maintenance Manual 960 499 ...
Page 340: ...Appendices Appendix I Reliability I 2 PORTEGE A200 Maintenance Manual 960 499 ...
Page 342: ...Appendices Apx J Key FD J 2 PORTEGE A200 Maintenance Manual 960 499 ...