
2 Troubleshooting Procedures
Procedure 2
Antenna Connection Check
The wireless LAN wiring diagram is shown below:
Any of the connections may be disconnected. Disassemble the computer following the steps
described in Chapter 4,
Replacement Procedures
, and perform the following checks:
Check 1 Make sure the wireless LAN card is firmly connected to CN2600 on the system
board.
If the connector is disconnected, connect it firmly and go to Procedure 1. If the
wireless LAN card is still not functioning properly, perform Check 2.
Check 2 Make sure the wireless LAN antenna cables are firmly connected to the wireless
LAN card.
If the wireless LAN antenna cables are disconnected, connect them firmly and go
to Procedure 1. If the wireless LAN card is still not functioning properly, go to
Procedure 3.
Procedure 3
Replacement Check
The wireless LAN antenna, wireless LAN card and the system board are connected to the
circuits. Any of these components may be damaged. Refer to Chapter 4,
Replacement
Procedures,
for instructions on how to disassemble the computer and then perform the
following checks:
Check 1 The wireless LAN card may be defective or damaged. Replace it with a new one
following the steps in Chapter 4,
Replacement Procedures
. If the problem still
exists, perform Check 2.
Check 2 The wireless LAN antennas may be defective or damaged. Replace the antennas
with new ones following the steps in Chapter 4,
Replacement Procedures
. If the
problem still exists, perform Check 3.
Check 3 The system board may be defective or damaged. Replace the board with a new
one following the instructions in Chapter 4,
Replacement Procedures
.
PORTEGE R400 Maintenance Manual (960-623)
[CONFIDENTIAL]
2-
49
Содержание Portege R400 Series
Страница 10: ...x CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 ...
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 35: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Страница 36: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 106: ...2 Troubleshooting Procedures 2 68 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 107: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 108: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 3 ...
Страница 112: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 214: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 215: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 4 ...
Страница 219: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 ...
Страница 289: ...4 Replacement Procedures 4 26 Digitizer NO 4 70 CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 ...
Страница 294: ... CONFIDENTIAL Appendices ...
Страница 295: ...Appendices App ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 303: ...Appendices App x CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 309: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 321: ...Appendices Appendix B Board Layout B 12 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 359: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 363: ...Appendices Appendix F Wiring diagrams F 4 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 365: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 367: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 369: ...Appendices Appendix I Reliability 2 CONFIDENTIAL PORTEGE R4000 Maintenance Manual 960 623 ...