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2.15 Sound Troubleshooting
2 Troubleshooting Procedures
Procedure 2
Connector Check
The sound function-wiring diagram is shown below:
Any of the connections may be disconnected. Disassemble the computer following the steps
described in Chapter 4,
Replacement Procedures
and perform the following checks:
1.
If the speakers do not work correctly, perform Check 1.
2.
If the headphone does not work correctly, perform Check 2.
3.
If the external microphones do not work correctly, perform Check 3.
4.
If the Built in microphones do not work correctly, perform Check 4.
Check 1 If the speakers do not work properly, the speaker cable may be disconnected.
Make sure the speaker cable is firmly connected to CN6170 on the system board.
If the stereo speakers are still not functioning properly, go to Procedure 3.
Check 2 If the headphone does not work properly, the headphone cable may be
disconnected. Make sure the headphone cable is firmly connected to J6310 on the
system board. If the sound function still does not work properly, Procedure 3.
Check 3 If the external microphones do not work properly, external microphone cable may
be disconnected. Make sure the external microphone cable is firmly connected to
J6051 on the system board.
If the external microphones are still not functioning properly, go to Procedure 3.
Check 4 If the Built in microphone do not work properly, the Built in microphone cable
may be disconnected. Make sure the Built in microphone cable is firmly
connected to CN6050 on the system board. If the Built in microphone are still not
functioning properly, go to Procedure 3.
TECRA M9 Maintenance Manual (960-631)
[CONFIDENTIAL]
2-57
Содержание Tecra M9
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 45: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Страница 46: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 121: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 122: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 3 ...
Страница 126: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 228: ...3 Tests and Diagnostics 3 31 SETUP 3 102 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 229: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 230: ...4 Replacement Procedures 4 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 4 ...
Страница 313: ...4 24 LCD unit FL inverter 4 Replacement Procedures Jig Jig TECRA M9 Maintenance Manual 960 631 CONFIDENTIAL 4 79 ...
Страница 347: ... CONFIDENTIAL Appendices ...
Страница 348: ...Appendices App ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 354: ...Appendices App viii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 360: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 394: ...Appendices Appendix C Pin Assignments 24 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 404: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 408: ...Appendices Appendix F Wiring diagrams F 4 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 410: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 412: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 414: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...