Toshiba Satellite A660-BT3G25X Maintenance Manual - Page 100

2Troubleshooting Procedures The JET antenna wire, JET module or system board may be the reason of a JET fault. Any of these components may be damaged. To determine if the computer's JET is functioning properly, perform the following procedures. Figure 2-23 outlines the process. Start with Procedure 1 and continue with the other procedures as instructed. Procedure 1: Windows Application check Procedure 2: Connector and replacement check Procedure 1 Windows Application check PLS use windows application to check device can work fine or not. If an error is located, go to Procedure 2. If an error is not located, the Bluetooth system is functioning properly. Procedure 2 Connector and replacement check The JET, antenna module or system board may be disconnected or damaged. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks. Check 1 Make sure that the JET antenna is firmly connected to the JET module (refer to Chapter 4 for instructions) and that the JET cable is securely slotted into the system board. If the problem persists, go to Check 2. Check 2 Check that the JET communication switch is turned to "On", and then make sure that the communication LED on the left panel is lit. If the LED is lit but the JET function is still faulty, the antenna module may be damaged. Replace with a new antenna following the steps in Chapter 4, Replacement Procedures. If the problem persists, or if the JET communication LED is not lit when the JET communication switch is turned to "On", go to Check 3. Check 3 The JET module may be damaged. Replace it with a new one following the instructions in Chapter 4. If the problem still exists, perform Check 4. Check 4 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. SatelliteA660/ProA660 Series Maintenance Manual 66