Sony DAVHDX265 System "panasonic plasma tv dont connect" Questions

Plasma panasonic tv and I know the surround sound has worked in the past. But I had to disconnect everything recently and now nothing works. (other than DVD of course.) Any help is appreciated!!!! P.S

...plasma or LCD, they tend to try and 'detect' things.... kind of like with the HDMI connections... Example: Panasonic actually uses HDMI cables for its 'easy sync' or "viera" link system, which only ...

...Panasonic Viera TC-P50G25 50" plasma through HDMI ARC(audio return channel), i had the setup working pretty well for about 3 hours, i watched a movie through dish network and an episode of NCIS, ...