![Toshiba Portege R200 Скачать руководство пользователя страница 78](http://html.mh-extra.com/html/toshiba/portege-r200/portege-r200_maintenance-manual_1137507078.webp)
2 Troubleshooting
2.7 Keyboard Troubleshooting
2.7 Keyboard
Troubleshooting
To determine if the computer’s keyboard is functioning properly, perform the following
procedures. Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute the Keyboard Test in the Diagnostic Program. Refer to Chapter 3,
Tests and
Diagnostics
for more information on how to perform the test program.
If an error occurs, go to Procedure 2. If an error does not occur, the keyboard is functioning
properly.
Procedure 2
Connector Check and Replacement Check
The keyboard or System board may be disconnected or damaged. Disassemble the computer
following the steps described in Chapter 4,
Replacement Procedures
and perform the
following checks:
Check 1
Make sure the keyboard cable is firmly connected to the system board.
Keyboard
System board
CN3200
If the connection is loose, reconnect firmly and repeat Procedure 1. If there is still
an error, go to Check 2.
Check 2
The keyboard may be damaged. Replace it with a new one following the
instructions in Chapter 4,
Replacement Procedures
. If the problem still exists,
perform Check 3.
Check 3
The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4,
Replacement Procedures
.
2-38
[CONFIDENTIAL]
PORTEGE R200 Maintenance Manual (960-519)
Содержание Portege R200
Страница 10: ...x CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 1 Hardware Overview ...
Страница 34: ...1 Hardware Overview 1 7 AC Adapter 1 20 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 35: ... CONFIDENTIAL Chapter 2 Troubleshooting ...
Страница 36: ...2 Troubleshooting 2 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 2 ...
Страница 40: ...2 Troubleshooting 2 vi CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 103: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 104: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 3 ...
Страница 211: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 212: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 4 ...
Страница 216: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 281: ... CONFIDENTIAL Appendices ...
Страница 282: ...Appendices App ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 288: ...Appendices App viii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 294: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 302: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 328: ...Appendices Appendix C Pin Assignment C 26 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 338: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 340: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 342: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 344: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 346: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...