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2 Troubleshooting Procedures
2.15 Sound Troubleshooting
Procedure 3
Replacement Check
If external microphone does not work properly, perform check 1.
If headphone does not work properly, perform check 2.
If internal microphone does not work properly, perform check 3.
If speaker (L) does not work properly, perform check 4.
If speaker (R) does not work properly, perform check 4.
Check 1 External microphone may be faulty. Replace it with a new one following the steps
in Chapter 4. If the problem still occurs, perform Check 6.
Check 2 Headphone may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 6.
Check 3 Internal microphone may be faulty. Replace it with a new one following the steps
in Chapter 4. If the problem still occurs, perform Check 6.
Check 4 Speaker (L) may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 7.
Check 5 Speaker (R) may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 9.
Check 6 SJ board may be faulty. Replace it with a new one following the instructions in
Chapter 4. If the problem still occurs, perform Check 7.
Check 7 SD board may be faulty. Replace it with a new one following the instructions in
Chapter 4. If the problem still occurs, perform Check 8.
Check 8 Harnesses among SJ board, SD board and system board may be faulty. Replace it
with a new one following the instructions in Chapter 4. If the problem still occurs,
perform Check 9.
Check 9 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4.
QOSMIO G20 Maintenance Manual (960-511)
2-65
Содержание QOSMIO G20 Series
Страница 10: ...x CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 11: ...Chapter 1 Hardware Overview CONFIDENTIAL ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 38: ...1 9 AC Adapter 1 Hardware Overview 1 24 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 39: ...Chapter 2 Troubleshooting Procedures CONFIDENTIAL ...
Страница 40: ...2 2 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 44: ...2 vi CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 113: ...Chapter 3 Tests and Diagnostics CONFIDENTIAL ...
Страница 114: ...3 Tests and Diagnostics 3 3 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 223: ...3 Tests and Diagnostics 3 32 SETUP QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL 3 105 ...
Страница 236: ...3 32 SETUP 3 Tests and Diagnostics 3 118 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 237: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Страница 238: ...4 Replacement Procedures 4 4 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 331: ...Appendices CONFIDENTIAL ...
Страница 332: ...App ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 347: ...Appendix A Handling the LCD Module A 6 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 354: ...Appendix B Board Layout B 4 SD board QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL B 7 ...
Страница 360: ...Appendix B Board Layout B 9 TV antenna board QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL B 13 ...
Страница 408: ...E 2 United Kingdom UK Keyboard Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 410: ...F 2 LAN loopback Connector Appendix F Wiring Diagrams F 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 412: ...Appendix G BIOS Rewrite Procedures G 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 416: ...Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...