Samsung LN-T4665F 46 in. LCD Television "bose hum" Questions

...Bose 6.1 Acoustimass home theater system. I can hear a hum when receiver volume is turned up. Hum is not present when using HDTV volume. If it is a new set up, make sure properall connector are ...

...Bose speakers hooked up and can still hear the hum even if they're at a high volume! Has anyone found out what causes it, or how to fix it? Don't know if people are still having this issue or not but ...