Pioneer Elite Pro 510HD TV audio problem

where do i post this problem i have on this forum, not sure if this is the right place. I had the tv on and the electric went out in house then came back on and when it did, picture came on ok but no audio, now, i have a tivo and programs that i have recorded already on tivo, those i can watch and have sound but programs that have been recorded on tivo after the volumn went out, no audio on those shows. (TV none, Sap activated) is what comes up on the tv when i change channels. I have directv also. now on the programs that i have recorded on tivo before the audo went out, when i bring up those programs it comes up and says Sap deactivated and that Tv none isnt there on these programs) can anyone help me on this matter.