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2 Troubleshooting Procedures
2.11 Modem Troubleshooting
2-48
TECRA M1 Maintenance Manual (960 -436)
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 PJ2017 on the system board, and the
modem cable is connected to PJ1003 on the system board and the connector of the
MDC.
MDC
(Modem daughter card)
System Board
PJ2017
PJ1003
Modem cable
If a connector is disconnected, connect it firmly and repeat Procedure 1. If the
Modem is still not functioning properly, perform Check 2.
Check 2
The MDC or modem 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 system board may be defective or damaged. Replace the system board with a
new one following the steps in Chapter 4,
Replacement Procedures
.
Содержание Tecra M1
Страница 1: ...Toshiba Personal Computer TECRA M1 Maintenance Manual TOSHIBA CORPORATION File Number 960 436 ...
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Страница 10: ...x TECRA M1 Maintenance Manual 960 436 3 29 SETUP 3 78 ...
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Страница 14: ...Chapter 1 Hardware Overview ...
Страница 15: ...1 Hardware Overview 1 ii TECRA M1 Maintenance Manual 960 436 ...
Страница 30: ...1 2 System Unit Block Diagram 1 Hardware Overview TECRA M1 Maintenance Manual 960 436 1 13 32KB are reserved ...
Страница 32: ...1 2 System Unit Block Diagram 1 Hardware Overview TECRA M1 Maintenance Manual 960 436 1 15 ...
Страница 54: ...Chapter 2 Troubleshooting Procedures ...
Страница 55: ...2 Troubleshooting Procedures 2 ii TECRA M1 Maintenance Manual 960 436 ...
Страница 58: ...2 Troubleshooting Procedures TECRA M1 Maintenance Manual 960 436 2 v ...
Страница 60: ...2 Troubleshooting Procedures TECRA M1 Maintenance Manual 960 436 2 vii ...
Страница 122: ...2 Troubleshooting Procedures 2 16 SD Card Slot Troubleshooting 2 62 TECRA M1 Maintenance Manual 960 436 ...
Страница 123: ...Chapter 3 Tests and Diagnostics ...
Страница 124: ...3 Tests and Diagnostics 3 ii TECRA M1 Maintenance Manual 960 436 ...
Страница 144: ...3 Tests and Diagnostics 3 6 Keyboard Test 3 18 TECRA M1 Maintenance Manual 960 436 BUTTONS BUTTONS ...
Страница 224: ...3 Tests and Diagnostics 3 29 SETUP 3 96 TECRA M1 Maintenance Manual 960 436 ...
Страница 225: ...Chapter 4 Replacement Procedures ...
Страница 226: ...4 Replacement Procedures 4 ii TECRA M1 Maintenance Manual 960 436 ...
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Страница 327: ...4 Replacement Procedure 4 25 Fluorescent Lamp 4 90 TECRA M1 Maintenance Manual 960 436 ...
Страница 330: ...4 25 Fluorescent Lamp 4 Replacement Procedure TECRA M1 Maintenance Manual 960 436 4 93 ...
Страница 349: ...Appendices ...
Страница 350: ...Appendices App ii ...
Страница 362: ...Appendices Appendix A Handling the LCD Module A 6 TECRA M1 Maintenance Manual 960 436 ...
Страница 368: ...Appendices Appendix B Board Layout B 6 TECRA M1 Maintenance Manual 960 436 F VR3000 Volume ...
Страница 395: ...Appendices Apx C Pin Assignments C 24 TECRA M1 Maintenance Manual 960 436 123 NC 124 B3V ...
Страница 401: ...Appendices Apx C Pin Assignments C 30 TECRA M1 Maintenance Manual 960 436 41 FL P5V ...
Страница 408: ...Appendix C Pin Assignments Appendices TECRA M1 Maintenance Manual 960 436 C 37 ...
Страница 418: ...Appendices Appendix E Key Layout E 2 TECRA M1 Maintenance Manual 960 436 ...
Страница 422: ...Appendices Appendix G BIOS Rewrite Procedures G 2 TECRA M1 Maintenance Manual 960 436 ...
Страница 424: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 TECRA M1 Maintenance Manual 960 436 ...
Страница 426: ...Appendices Appendix I Reliability I 2 TECRA M1 Maintenance Manual 960 436 ...