2.7 Keyboard Troubleshooting
2 Troubleshooting Procedures
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 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 and Replacement Check
The keyboard 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 securely connected to CN3230 on the system
board.
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 or its cable 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
.
PORTEGE S100 Maintenance Manual (960-508)
2-37
Содержание Portege S100 Series
Страница 1: ...Toshiba Personal Computer PORTEGE S100 Maintenance Manual TOSHIBA CORPORATION File Number 960 508 ...
Страница 10: ...x PORTEGE S100 Maintenance Manual 960 508 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 25: ...1 2 2 5 inch Hard Disk Drive 1 Hardware Overview PORTEGE S100 Maintenance Manual 960 508 1 11 ...
Страница 36: ...Chapter 2 Troubleshooting Procedures ...
Страница 37: ...2 Troubleshooting Procedures 2 ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 41: ...2 Troubleshooting Procedures 2 vi PORTEGE S100 Maintenance Manual 960 508 ...
Страница 92: ...Chapter 3 Tests and Diagnostics ...
Страница 93: ...3 Tests and Diagnostics 3 3 ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 116: ...3 4 Setting of the hardware configuration 3 Tests and Diagnostics PORTEGE S100 Maintenance Manual 960 508 3 19 ...
Страница 199: ...3 31 SETUP 3 Tests and Diagnostics PORTEGE S100 Maintenance Manual 960 508 3 101 ...
Страница 212: ...3 Tests and Diagnostics 3 31 SETUP 3 114 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 213: ...Chapter 4 Replacement Procedures ...
Страница 214: ...4 Replacement Procedures 4 ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 218: ...4 Replacement Procedures 4 vi PORTEGE S100 Maintenance Manual 960 508 ...
Страница 310: ...4 Replacement Procedure 4 29 Fluorescent Lamp 4 92 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 311: ...Appendices ...
Страница 312: ...Appendices App ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 318: ...Appendices App viii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 324: ...Appendices Appendix A Handling the LCD Module A 6 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 330: ...Appendices Appendix B Board Layout B 6 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 356: ...Appendices Appendix C Pin Assignments C 26 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 366: ...Appendices Appendix E Key Layout E 2 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 368: ...Appendices Appendix F Wiring diagrams F 2 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 370: ...Appendices Appendix G BIOS rewrite procedures G 2 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 372: ...Appendices Appendix H EC KBC rewrite procedures H 2 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 374: ...Appendices Appendix I Reliability I 2 PORTEGE S100 Maintenance Manual 960 508 ...