I have an Onkyo TX-DS898 Receiver that is putting out some sort of morse code type of interference only in the rear surround sound speakers when you select the DVD mode(DVD not playing anything). It doesnt affect the front,center, or sub. Ive tried unplugging the speakers and it stops,so I suspect the receiver. When I unplug the other components from it (DVD player, VCR, Satellite) it continues to emit the dit-dit,dit-dit type of noise. Ive even plugged the receiver up to another recepticle to see if it were wiring interference with no luck in stopping the noise. Anyone had any trouble with the circitry in a receiver to cause this type of problem