Subwoofer Buzz whhen TV screen has graphics (1 Viewer)

[Rich Jones]

I have a non-powered subwoofer (Kenwood SW-15HT) that buzzes fairly loudly but only when graphics are on the TV screen (Toshiba 61A61), no graphics-no buzz. Using VR-517 AV Receiver. Help?????

 

[Robert Fellows]

This is more than likely due to your TV having the brightness or contrast turned up too high.

If you adjust them down or better yet, run 'Video Essentials' to calibrate your TV, it should be ok.

 

[Rich Jones]

Tried adjusting and still buzz, again only when graphics on screen??