2 Troubleshooting Procedures
2.10 Modem Troubleshooting
Procedure 2
Connector Check and Replacement Check
The Modem is installed as a MDC (Modem Daughter Card). If the modem malfunctions,
there may be a bad connection between the MDC and the system board. Or the MDC, system
board or their connectors might be damaged.
Disassemble the computer following the steps described in Chapter 4,
Replacement
Procedures
and perform the following checks:
Check 1
Make sure the MDC is firmly connected to CN3010 on the system board and the
Modem cable is firmly connected to the Modem jack.
If connections are disconnected, connect them firmly and repeat Procedure 1. If
the modem is still not functioning properly, perform Check 2.
Check 2
The MDC may be defective or damaged. Replace it with a new one following the
steps in Chapter 4,
Replacement Procedures
. If the modem is still not functioning
properly, perform Check 3.
Check 3
The MDC cable may be defective or damaged. Replace it with a new one
following the steps in Chapter 4,
Replacement Procedures
. If the modem is still
not functioning properly, perform Check 4.
Check 4
The system board may be defective or damaged. Replace it with a new one
following the steps in Chapter 4,
Replacement Procedures
.
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[CONFIDENTIAL]
PORTÉGÉ M500 Maintenance Manual (960-559)
Содержание Portege M500
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Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 38: ...1 Hardware Overview 1 8 AC Adapter 1 24 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 39: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
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Страница 115: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
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Страница 120: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 224: ...3 Tests and Diagnostics 3 30 SETUP 3 104 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 225: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Страница 226: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 230: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 319: ... CONFIDENTIAL Appendices ...
Страница 320: ...Appendices App ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 330: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 336: ...Appendices Appendix B Board Layout B 6 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 366: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 368: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 370: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 372: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 374: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...