2.14 Bluetooth Troubleshooting 2 Troubleshooting Procedures
Procedure 2 Antennas' Connection Check
The Bluetooth function-wiring diagram is shown below:
Bluetooth
antenna
<bluetooth
module>
<System board>
CN4400
bluetooth antenna cable Bluetooth flexible cable
Any of the connections may be defective. Disassemble the computer following the steps
described in Chapter 4, Replacement Procedures, and perform the following checks:
Check 1 Make sure that the wireless communication switch is “On”.
If the switch is “Off”, turn it “On”. If the problem still occurs, perform Check 2.
Check 2 Make sure that Bluetooth flexible cable is firmly connected to the CN4400 on
system board. If the connector is defective, connect it firmly and perform
Procedure 1. If the problem still occurs, perform Check 3.
Check 3 Make sure that Bluetooth antenna cable is firmly connected to the connector on
Bluetooth module. If Bluetooth antenna cable is not connected properly, connect
them firmly and perform Procedure 1. If the problem still occurs, go to the
procedure 3.
2-62 [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)