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2.10
Modem
Troubleshooting
2 Troubleshooting
Portege M200 Maintenance Manual (960-457)
2-43
2.10 Modem Troubleshooting
To check if the modem is defective or malfunctioning, follow the troubleshooting procedures
below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute the Modem test program available as part of the maintenance test program. This
program checks the modem. See Chapter 3 for information on how to perform the test.
If any error is detected by the test, go to Procedure 2.
Procedure 2
Connector Check and Replacement Check
The Modem jack (RJ11) is mounted on the system board and MDC is connected to the system
board. If the modem malfunctio ns, the connection may be bad or the MDC or system board
might be faulty.
Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:
Check 1
Make sure the MDC is firmly connected to the PJ3020 and the MDC cable is
connected to the PJ3021 on the system board.
MDC
RJ11
PJ3020
System board
PJ3021
PJ4100
If any connector is disconnected, connect it firmly and return to Procedure 1. If
there is still an error, perform Check 2.
Check 2
The MDC may be faulty. Replace it with a new one following the steps in Chapter
4. If the modem is not still working properly, perform Check 3.
Check 3
The system board may be faulty. Replace it with a new one following the
instructions in Chapter 4.
Summary of Contents for M200 - Portege - Pentium M 1.5 GHz
Page 9: ...Portege M200 Maintenance Manual 960 457 ix Appendix H Key FD H 1 ...
Page 10: ...x Portege M200Maintenance Manual 960 457 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii Portege M200 Maintenance Manual 960 457 1 Hardware Overview ...
Page 33: ...Chapter 2 Troubleshooting Procedures ...
Page 34: ...2 Troubleshooting Procedures 2 ii Portege M200 Maintenance Manual 960 457 2 ...
Page 38: ...2 Troubleshooting Procedures 2 vi Portege M200 Maintenance Manual 960 457 ...
Page 97: ...Chapter 3 Tests and Diagnostics ...
Page 98: ...3 Tests and Diagnostics 3 ii Portege M200 Maintenance Manual 960 457 3 ...
Page 184: ...Chapter 4 Replacement Procedures ...
Page 185: ...4 Replacement Procedures 4 ii Portege M200 Maintenance Manual 960 457 4 ...
Page 189: ...4 Replacement Procedures 4 vi Portege M200 Maintenance Manual 960 457 ...
Page 258: ...Appendices ...
Page 259: ...Appendices App ii Portege M200 Maintenance Manual 960 457 ...
Page 265: ...Appendices App viii Portege M200 Maintenance Manual 960 457 ...
Page 271: ...Appendices Apx A Handling the LCD Module A 6 Portege M200 Maintenance Manual 960 457 ...
Page 279: ...Appendices Apx B Board Layout B 8 Portege M200 Maintenance Manual 960 457 ...
Page 309: ...Appendices Apx C Pin Assignment C 30 Portege M200 Maintenance Manual 960 457 ...
Page 319: ...Appendices Apx E Key Layout E 2 Portege M200 Maintenance Manual 960 457 ...
Page 321: ...Appendices Apx F BIOS KBC EC Update F 2 Portege M200 Maintenance Manual 960 457 ...
Page 323: ...Appendices Apx G Reliability G 2 Portege M200 Maintenance Manual 960 457 ...
Page 325: ...Appendices Apx H Key FD H 2 Portege M200 Maintenance Manual 960 457 ...