2 Troubleshooting Procedures
2.16 TV tuner Troubleshooting
2.16 TV tuner Troubleshooting
To check if TV tuner is malfunctioning or not, follow the troubleshooting procedures below as
instructed.
Procedure 1: Connector Check and Replacement Check
Procedure 1
Connector Check and Replacement Check
The connection of cables, boards and module may be defective. Otherwise, they may be faulty.
Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:
Check 1 Make sure the following connectors (cables) are firmly connected.
If the connection is loose, reconnect it firmly and check each connection. If the
problem still occurs, perform Check 2.
Check 2 TV antenna cable may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 3.
Check 3 Analog TV tuner may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 4.
Check 4 Analog TV tuner cable may be faulty. Replace it with a new one following the
steps in Chapter 4. If the problem still occurs, perform Check 5.
Check 5 JK board may be faulty. Replace it with a new one following the steps in Chapter 4.
If the problem still occurs, perform Check 6.
Check 6 JK board cable may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 7.
Check 7 System board may be faulty. Replace it with new one following the instructions in
Chapter 4.
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[CONFIDENTIAL]
QOSMIO G30 Maintenance Manual (960-546)
Summary of Contents for Qosmio G30
Page 10: ...x CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 40: ...1 Hardware Overview 1 9 AC Adapter 1 26 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 41: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 42: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 2 ...
Page 46: ...2 Troubleshooting Procedures 2 vi CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 125: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 126: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 3 ...
Page 228: ...3 Tests and Diagnostics 3 31 SETUP 3 98 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 241: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 242: ...4 Replacement Procedures 4 ii CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 4 ...
Page 353: ... CONFIDENTIAL Appendices ...
Page 354: ...Appendices App ii CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 378: ...Appendices Appendix B Board Layout B 10 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 414: ...Appendices Appendix C Pin Assignments C 36 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 426: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 511 ...
Page 432: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...