GPX HTD2204 System "samsung av r720 repair" Questions

Samsung AV-R720 - front right speaker crackles I've got a Samsung AV-R720 surround sound system hooked up to a 46" high def Samsung TV. Everything worked great for the first 15 months. Recently the ...

...Samsung HT-AS720ST (AV-R720) surround sound receiver started making crackling noises in the front right speaker. I've changed the speaker and cable, but still the same results. Is there any hope for ...

...Samsung AV Surround Receiver AV-R720. I see that there are similar problems with this unit. The left front speaker started to crackle only to clear up within a minute or two. No the system's volume ...