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2.13 Bluetooth Troubleshooting 2 Troubleshooting Procedures
Procedure 2 Antennas' Connection Check
The Bluetooth function 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 communication switch on the side of the computer is set to
“On”.
If the switch is set to “Off”, turn it “On”. If the Bluetooth module is still not
functioning properly, perform Check 2.
Check 2 Make sure the Bluetooth module is firmly connected to PJ4900 on the system
board.
If the connector is disconnected, connect it firmly and perform Procedure 1. If the
Bluetooth module is still not functioning properly, perform Check 3.
Check 3 Make sure the Bluetooth antenna cable (brown) is firmly connected to the
Bluetooth module.
If the Bluetooth antenna cable is disconnected, connect it firmly and perform
Procedure 1. If the Bluetooth function is still not functioning properly, go to
Procedure 3.
TECRA M1 Maintenance Manual (960-436) 2-51