2 Troubleshooting Procedures
QOSMIO X300 Series Maintenance Manual
24
2.8 Speaker Troubleshooting
START
Do all sources have
same problem?
END
Perform earphone test
(Procedure 2)
Do earphones
function correctly?
Perform connection check
(Procedure 3)
Perform replacement
check
(Procedure 4)
Perform audio source test
(Procedure 1)
No
Yes
Yes
Replace system board
Speakers are not
faulty. Continue
troubleshooting -
see Figure 2-1
No
Figure 2-8 Speaker troubleshooting process
Summary of Contents for Qosmio X300 Series
Page 1: ...Toshiba Personal Computer Qosmio X300 Maintenance Manual TOSHIBA CORPORATION CONFIDENTIAL ...
Page 10: ...Chapter 1 Hardware Overview ...
Page 11: ...1 Hardware Overview Qosmio X300 Maintenance Manual 1 ii ...
Page 31: ...Chapter 2 Troubleshooting Procedures 2 ...
Page 32: ......
Page 99: ...3 Tests and Diagnostics 1 Chapter 3 Tests and Diagnostics ...
Page 104: ...3 Tests and Diagnostics 6 ...
Page 115: ...3 Tests and Diagnostics Japan keyboard UK keyboard 17 ...
Page 128: ...3 Tests and Diagnostics If the picture shows as below it means he HDD function is NG 30 ...
Page 136: ...3 Tests and Diagnostics You can press ESC to exit test after test pass 38 ...
Page 137: ...Chapter 4 Replacement Procedures ...
Page 138: ...4 Replacement Procedures Qosmio X300 Maintenance Manual 4 ii ...
Page 144: ...4 Replacement Procedures Qosmio X300 Maintenance Manual 4 viii ...