2.13 Bluetooth Troubleshooting 2 Troubleshooting Procedures
TECRA 9100 Maintenance Manual (960-347) 2-49
Procedure 2 Antennas' Connection Check
The Bluetooth function wiring diagram is shown below:
Bluetooth module
LED Board PJ1PJ2
PJ105 I/O Board
Antenna Cable (Brown)
Antenna
Board
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 is “On”.
If the switch is “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 PJ2 on the LED 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, perform
Check 4.
Check 4 Make sure the LED board is firmly connected to connector PJ105 on the I/O
board, PJ1 on the LED board. Refer to Chapter 4, Replacement Procedures, for
detailed steps of disassembling.
In any connections are disconnected, connect them firmly and perform Procedure
1. If the Bluetooth is still not functioning properly, go to Procedure 3.
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