Hi, I have recently ought a new Pioneer VSX 515 receiver, it was all working fine till today i hooked up my roof antenna to my tv, now i hear a buzzing noise, but it only happens when i have the amp set to my computer asing headphone jack from computer to RCA into CD input on the amp, with it all plugged in i hear the buzzing noise while its on CD but when i unplugged the antenna i figured something was teribly wrong and the noise aint a like a pretty little birdie whistling....please help i need MUSIC!!!!!!!!!lol:mad: