Has any noticed drop outs with the onkyn system? Esp. when it is in dolby 5.1 have a dtv hd 21 reciever it will not do it on all channels nor does it happen just on hd channels. Have had other reciever installed in same room and had grounding put in and removed no difference went from digital opt to hdmi to component. have tried all kinds different types of audio and video cables that are on the market.