2 Troubleshooting Procedures
2.13 Sound Troubleshooting
2-46
Satellite A50/TECRA A2 Maintenance Manual (960-478)
2.13 Sound Troubleshooting
To check if the sound function is defective or malfunctio ning, follow the troubleshooting
procedures below as instructed.
Procedure 1 Diagnostic Test Program Execution Check
Procedure 2 Connector Check
Procedure 3 Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute the Sound Test in the Diagnostic Program. Refer to Chapter 3,
Tests and
Diagnostics
for more information on how to perform the test program.
If any error is detected by the test, go to Procedure 2
Procedure 2
Connector Check
The connection of sound system is shown in the following figure.
As the connection may be bad, disassemble the PC and check each connection.
If the speakers do not work properly, go to Check 1.
If the headphone or external microphone does not work properly, go to Check 2. If TV
output function does not work properly, go to Check 3.
Check 1
Make sure the speaker cables are firmly connected to PJ6001 and PJ6002 on
the system board. If the sound function does not still work properly, perform
Procedure 3.
Check 2
Make sure the sound board is firmly connected to the system board. If each
function does not still work properly, perform Check 2 of Procedure 3.
Check 3
Make sure the connector board is firmly connected to the system board. If the
function does not still work properly, perform Check 3 of Procedure 3.
Summary of Contents for Tecra A2 Series
Page 10: ...x Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 49: ...Chapter 2 Troubleshooting Procedures ...
Page 50: ...2 Troubleshooting Procedures 2 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 2 ...
Page 54: ...2 Troubleshooting Procedures 2 vi Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 105: ...Chapter 3 Tests and Diagnostics ...
Page 106: ...3 Tests and Diagnostics 3 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 3 ...
Page 197: ...Chapter 4 Replacement Procedures ...
Page 198: ...4 Replacement Procedures 4 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 4 ...
Page 204: ...4 Replacement Procedures 4 viii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 271: ...Appendices ...
Page 272: ...Appendices App ii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 290: ...Appendices Apx B Board Layout B 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 332: ...Appendices Apx E Key Layout E 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 334: ...Appendices Apx F Wiring Diagrams F 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 336: ...Appendices Apx G BIOS KBC EC Update G 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 338: ...Appendices Apx H Reliability H 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...