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2.14 Sound Troubleshooting
2 Troubleshooting Procedures
TECRA M3 Maintenance Manual (960-507)
2-55
Procedure 3
Replacement Check
Check 1
If the stereo speakers do not sound properly, the right or left speaker may be
defective or damaged. Replace it with a new one. If the stereo speakers still do not
work properly, go to Check 4.
Check 2
If the headphone does not sound properly, the headphone jack may be defective or
damaged. Replace it with a new one. If the sound function still does not work
properly, go to Check 4.
Check 3
If the microphones do not work properly, the microphone cable may be defective
or damaged. Replace it with a new one. If the microphone still does not work
properly, go to Check 4.
Check 4
The sound board may be defective or damaged. Replace it with a new one. If the
problem still exists, perform Check 5.
Check 5
The system board may be defective or damaged. Replace it with a new one.
Summary of Contents for Tecra M3 Series
Page 1: ...Toshiba Personal Computer TECRA M3 Maintenance Manual TOSHIBA CORPORATION File Number 960 507 ...
Page 10: ...x TECRA M3 Maintenance Manual 960 507 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii TECRA M3 Maintenance Manual 960 507 ...
Page 27: ...1 2 System Unit Block Diagram 1 Hardware Overview TECRA M3 Maintenance Manual 960 507 1 13 ...
Page 53: ...1 13 Batteries 1 Hardware Overview TECRA M3 Maintenance Manual 960 507 1 39 ...
Page 54: ...Chapter 2 Troubleshooting Procedures ...
Page 55: ...2 Troubleshooting Procedures 2 ii TECRA M3 Maintenance Manual 960 507 ...
Page 58: ...2 Troubleshooting Procedures TECRA M3 Maintenance Manual 960 507 2 v ...
Page 60: ...2 Troubleshooting Procedures TECRA M3 Maintenance Manual 960 507 2 vii ...
Page 119: ...Chapter 3 Tests and Diagnostics ...
Page 120: ...3 Tests and Diagnostics 3 ii TECRA M3 Maintenance Manual 960 507 3 ...
Page 124: ...3 Tests and Diagnostics 3 vi TECRA M3 Maintenance Manual 960 507 ...
Page 235: ...Chapter 4 Replacement Procedures ...
Page 236: ...4 Replacement Procedures 4 ii TECRA M3 Maintenance Manual 960 507 ...
Page 359: ...Appendices ...
Page 360: ...Appendices App ii TECRA M3 Maintenance Manual 960 507 ...
Page 363: ...Appendices TECRA M3 Maintenance Manual 960 507 App v Appendix I Reliability I 1 ...
Page 367: ...Appendices TECRA M3 Maintenance Manual 960 507 App ix ...
Page 373: ...Appendices Appendix A Handling the LCD Module A 6 TECRA M3 Maintenance Manual 960 507 ...
Page 403: ...Appendices Appendix C Pin Assignments C 22 TECRA M3 Maintenance Manual 960 507 217 GND 218 NC ...
Page 427: ...Appendices Appendix E Key Layout E 2 TECRA M3 Maintenance Manual 960 507 ...
Page 429: ...Appendices Appendix F Wiring diagrams F 2 TECRA M3 Maintenance Manual 960 507 ...
Page 431: ...Appendices Appendix G BIOS rewrite procedures G 2 TECRA M3 Maintenance Manual 960 507 ...
Page 433: ...Appendices Appendix H EC KBC rewrite procedures H 2 TECRA M3 Maintenance Manual 960 507 ...
Page 435: ...Appendices Appendix I Reliability I 2 TECRA M3 Maintenance Manual 960 507 ...