2 Troubleshooting
2.11 LAN
Procedure 2
Connector Check and Replacement Check
The LAN function is installed on the system board. The LAN jack is connected to the system
board by the cable. If the LAN malfunctions, the connection is bad or the system board might
be faulty.
Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:
Check 1 Make sure LAN cable is firmly connected to LAN jack. If the problem still occurs,
perform Check 2.
Check 2
LAN cable may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3
Make sure LAN harness is firmly connected to the connector CN4100. If the
problem still occurs, perform Check 4.
Check 4
LAN harness may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 5.
Check 5
System board may be faulty. Replace it with a new one following the instruction
in Chapter 4.
2-46
[CONFIDENTIAL]
PORTEGE R200 Maintenance Manual (960-519)
Содержание Portege R200
Страница 10: ...x CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 1 Hardware Overview ...
Страница 34: ...1 Hardware Overview 1 7 AC Adapter 1 20 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 35: ... CONFIDENTIAL Chapter 2 Troubleshooting ...
Страница 36: ...2 Troubleshooting 2 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 2 ...
Страница 40: ...2 Troubleshooting 2 vi CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 103: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 104: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 3 ...
Страница 211: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 212: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 4 ...
Страница 216: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 281: ... CONFIDENTIAL Appendices ...
Страница 282: ...Appendices App ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 288: ...Appendices App viii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 294: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 302: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 328: ...Appendices Appendix C Pin Assignment C 26 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 338: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 340: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 342: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 344: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Страница 346: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...