Toshiba TECRA A8 series Maintenance Manual page 112
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Also See for TECRA A8 series:
- Maintenance manual (428 pages) ,
- User manual (306 pages) ,
- Resource manual (56 pages)
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2 Troubleshooting Procedures
Procedure 2
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
Check 2
Check 3
Procedure 3
The Bluetooth antenna, Bluetooth module, sound board and 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
Check 2
Check 3
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Connection Check
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.
Make sure the Bluetooth module is firmly connected to the connector CN4400 on
the system board.
If the connector is disconnected, connect it firmly and go to Procedure 1. If the
Bluetooth module is still not functioning properly, perform Check 3.
Make sure the Bluetooth antenna cable is firmly connected to the Bluetooth
module.
If the Bluetooth antenna cable is disconnected, connect it firmly and go to
Procedure 1. If the Bluetooth module is still not functioning properly, go to
Procedure 3.
Replacement Check
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.
The Bluetooth antenna may be defective or damaged. Replace the Bluetooth
antenna with a new one following the steps in Chapter 4, Replacement
Procedures. If the Bluetooth is still not functioning properly, perform Check 3.
The system board may be defective or damaged. Replace the system board with a
new one following the steps in Chapter 4, Replacement Procedures.
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2.12 Bluetooth Troubleshooting
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
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Troubleshooting
