Toshiba 960-498 Manuale Utente

To check if the TV tuner is defective or not, follow the troubleshooting procedures below as 
instructed. 

Procedure 1:   Connector Check and Replacement Check 

The TV antenna, TV tuner module, SD board or System board may be disconnected or faulty.  
Disassemble the computer following the steps described in Chapter 4 if necessary and perform 
the following checks: 

Check 1  Make sure the following connector has been firmly connected. 

 

 

If any connection is loose, reconnect it firmly and return to Procedure 2. If there is 
still an error, perform Check 2. 

Check 2  The antenna cable may be faulty. Replace it with a new one. If the problem still 

occurs, perform Check 3. 

Check 3  The TV tuner module may be faulty. Replace the TV tuner module with a new one 

following the steps in Chapter 4. If the problem still occurs, perform Check 4. 

Check 4  The SD board may be faulty. Replace the SD board with a new one following the 

steps in Chapter 4. If the problem still occurs, perform Check 5. 

Check 5  Cables in the computer (TV tuner coaxial cable, TV tuner harness and the cable 

between the SD board and system board) may be faulty. Replace them with new 
ones following the steps in Chapter 4. If the problem still occurs, perform Check 6. 

Check 6  The system board may be faulty. Replace it with new one following the 

instructions in Chapter 4.