Toshiba Satellite A665 Series Maintenance Manual page 45

2 Troubleshooting Procedures
Procedure 2: TV Tuner Antenna connection check
Procedure 3: TV Tuner Module connection check
Procedure 1 TV tuner Cable connection check
The TV Tuner cable may be damaged or the connections may be loose. Use windows
application to check device can work fine or not. If an error is located, Perform Check 1:
Check 1 Make sure TV Tuner cable is firmly plugged into both the TV Tuner set and the
TV Tuner port of the computer. If the cable is connected correctly, go to Check 2.
Check 2 Make sure the TV Tuner port is firmly secured to the system board of the
computer. If the malfunction remains, go to Check 3.
Check 3 The TV Tuner cable may be damaged. Replace with a good cable. If the
malfunction remains, go to Procedure 2.
Procedure 2 TV tuner Antenna connection check
The TV Tuner Antenna may be damaged or the connections may be loose. Perform Check 1:
Check 1 Make sure TV Tuner Antenna is firmly plugged into both the TV Tuner Module.
If the antenna is connected correctly, go to Check 2.
Check 2 Try connecting a different TV tuner Antenna to the computer. If the replacement
TV tuner Antenna works, the original Antenna may be damaged. If the
replacement Antenna does not work the TV tuner Module may be damaged. Go to
Procedure 4.
Procedure 3 TV Tuner Module Connection check
The TV Tuner Module connect may be faulty. Perform Check 1:
Check 1 Check the TV Tuner Module is firmly plugged into system board, if connection
was correctly, go to check 2.
Check 2 Try connecting a different TV tuner Module to the computer. If the replacement
TV tuner Module works, the original Module may be damaged. If the replacement
Module does not work the system board may be damaged. Replace it with a new
one following the instructions in Chapter 4.
Satellite A660/A665 Series Maintenance Manual 22