Its LCD not rear projection if I read correctly, may be time to explore a new one. They just dont make things like the old days.
If it is an LCD and not a RPTV you may want to look at AVSFORUM.com as the knowledge of video is far more complete compared to this site more focused on audio.
If it is an LCD and not a RPTV you may want to look at AVSFORUM.com as the knowledge of video is far more complete compared to this site more focused on audio.