I have had this receiver for several years now. It has functioned without complaint. Today I wall mounted my TV and reorganized my AV components and wiring. I didn't bother to record how the wiring was connected but I am reasonably certain I reconnected everything correctly. especially the speakers. Now there's no sound from my Dish Network connection. I have the Dish receiver connected from the component connection to the component connection TV/SAT IN2. The input selector is on TV/SAT. It is definitely no on mute and the volume is up. I've been reading the manual and browsing forums but can't find a suggestion. Help!!!