2
Troubleshooting Procedures
2.16
Bluetooth
Troubleshooting
2-56
Portege M200 Maintenance Manual (960-457)
Procedure 3
Antenna Check
Check 1
Use an antenna test cable to check the antennas' connection. Follow the steps
below:
1.
Disassemble the computer and disconnect the Bluetooth antenna cable
connected to the Bluetooth module. Refer to Chapter 4,
Replacement
Procedures
, for detailed steps of disassembling
2.
Connect the end of the antenna test cable to the multimeter.
3.
Connect the Bluetooth antenna cable to the antenna test cable. One clip is
connected to the end of the Bluetooth antenna cable. The other is connected to
the opposite side of the Bluetooth antenna cable.
4.
Determine the resistance. The cable passes the test when the resistance is 5
Ω
or
less. If it is more than 5
Ω
, the Bluetooth antenna cable fails the test.
Figure 2-4 Antenna Test cable
NOTE
: 1. The resistances determined with the steps above may not be stable according
to the length of the antenna. The impedance of the antenna itself is about 0.5
to 0.8 ohm.
2. The above steps cannot accurately determine the impedance of the antenna.
Use an LC meter for a precise measure of impedance.
If the Bluetooth antenna cable pass the test, connect it to the Bluetooth module
and cover the slot, then perform Procedure 1.
If the Bluetooth antenna cable does not pass the test, go to Procedure 4.
Procedure 4
Replacement Check
Check 1
The Bluetooth module may be defective or damaged. Replace the Bluetooth
module with a new one following the steps in Chapter 4, Replacement Procedures.
If the Bluetooth is still not functioning properly, perform Check 2.
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 ...