Hello. I just received my new 661 and I'm having a problem getting the HDMI to work. I have hooked up my PS3, no problem, but when I try to hook up my cable box [Motorola DCT6400] I get a picture for about 4 seconds then the screen goes green. The first time I hooked it up an error message flashed for about a second and I didn't catch the whole message. It said something about HDMI repeaters. I can't get the message to repeat. I would really like to get this to work since its why a bought this receiver . Any help would be appreciated. Thanks
