I just bought a KLH R-5100 digital surround sound receiver. It works great except when I use my optical digital audio input (which leads to a ps2) I get severe interference. Its not a humming noise ...

I have a KLH R7000 receiver that died on Friday night. I turned it on, it made a loud pop, let out some nasty smells, and now, the display turns on, but I get no output. I've done some looking around, ...