2.14 Sound Troubleshooting
2 Troubleshooting Procedures
QOSMIO F20 Maintenance Manual (960-526)
[CONFIDENTIAL]
2-57
Procedure 3
Replacement Check
?
If headphone does not work properly, perform check 1.
?
If external microphone does not work properly, perform check 2.
?
If speaker does not work properly, perform check 3.
Check 1
The headphone may be faulty. Replace it with a new one following the steps in
Chapter 4,
Replacement Procedures
. If the problem still occurs, perform Check 4.
Check 2
The external microphone may be faulty. Replace it with a new one following the
steps in Chapter 4,
Replacement Procedures
. If the problem still occurs, perform
Check 4.
Check 3
The speaker may be faulty. Replace it with a new one following the steps in
Chapter 4,
Replacement Procedures
. If the problem still occurs, perform Check 4.
Check 4
The system board may be faulty. Replace it with a new one following the
instructions in Chapter 4,
Replacement Procedures
.
Summary of Contents for QOSMIO F20 Series
Page 10: ...x CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 47: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 48: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 2 ...
Page 52: ...2 Troubleshooting Procedures 2 vi CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 111: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 112: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 117: ...3 Tests and Diagnostics QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL 3 vii ...
Page 227: ...3 31 SETUP 3 Tests and Diagnostics QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL 3 105 ...
Page 228: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 229: ...4 Replacement Procedures 4 ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 4 ...
Page 316: ... CONFIDENTIAL Appendices ...
Page 317: ...Appendices App ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 322: ...Appendices QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL App vii Table I 1 MTBF I 1 ...
Page 323: ...Appendices App viii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 337: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 373: ...Appendices Appendix C Pin Assignments C 36 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 383: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 385: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 391: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...