2.11 Modem Troubleshooting
2 Troubleshooting Procedures
Procedure 2
Connector Check and Replacement Check
The Modem is installed as a Modem Daughter Card (MDC). 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 CN3000 on the system board, and the
modem/jack cable is connected to CN3001 on the system board and the connector
of the MDC.
If any of the connector is disconnected, connect it firmly and repeat Procedure 1.
If the modem is still not functioning properly, perform Check 2.
Check 2 The modem jack or modem/jack 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 3.
Check 3 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 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
.
PORTEGE S100 Maintenance Manual (960-508)
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Summary of Contents for Portege S100 Series
Page 10: ...x PORTEGE S100 Maintenance Manual 960 508 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 25: ...1 2 2 5 inch Hard Disk Drive 1 Hardware Overview PORTEGE S100 Maintenance Manual 960 508 1 11 ...
Page 36: ...Chapter 2 Troubleshooting Procedures ...
Page 37: ...2 Troubleshooting Procedures 2 ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 41: ...2 Troubleshooting Procedures 2 vi PORTEGE S100 Maintenance Manual 960 508 ...
Page 92: ...Chapter 3 Tests and Diagnostics ...
Page 93: ...3 Tests and Diagnostics 3 3 ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 199: ...3 31 SETUP 3 Tests and Diagnostics PORTEGE S100 Maintenance Manual 960 508 3 101 ...
Page 212: ...3 Tests and Diagnostics 3 31 SETUP 3 114 PORTEGE S100 Maintenance Manual 960 508 ...
Page 213: ...Chapter 4 Replacement Procedures ...
Page 214: ...4 Replacement Procedures 4 ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 218: ...4 Replacement Procedures 4 vi PORTEGE S100 Maintenance Manual 960 508 ...
Page 310: ...4 Replacement Procedure 4 29 Fluorescent Lamp 4 92 PORTEGE S100 Maintenance Manual 960 508 ...
Page 311: ...Appendices ...
Page 312: ...Appendices App ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 318: ...Appendices App viii PORTEGE S100 Maintenance Manual 960 508 ...
Page 324: ...Appendices Appendix A Handling the LCD Module A 6 PORTEGE S100 Maintenance Manual 960 508 ...
Page 330: ...Appendices Appendix B Board Layout B 6 PORTEGE S100 Maintenance Manual 960 508 ...
Page 356: ...Appendices Appendix C Pin Assignments C 26 PORTEGE S100 Maintenance Manual 960 508 ...
Page 366: ...Appendices Appendix E Key Layout E 2 PORTEGE S100 Maintenance Manual 960 508 ...
Page 368: ...Appendices Appendix F Wiring diagrams F 2 PORTEGE S100 Maintenance Manual 960 508 ...
Page 370: ...Appendices Appendix G BIOS rewrite procedures G 2 PORTEGE S100 Maintenance Manual 960 508 ...
Page 372: ...Appendices Appendix H EC KBC rewrite procedures H 2 PORTEGE S100 Maintenance Manual 960 508 ...
Page 374: ...Appendices Appendix I Reliability I 2 PORTEGE S100 Maintenance Manual 960 508 ...