Hi ,
I had the same problem returned again, I searched the net so I found this site
http://www.autozone.com/az/cds/en_us/0900823d/80/15/40/6a/0900823d8015406a/repairInfoPages.htm
please read the article about TV cable adjustment as "MudderChuck" adviced in his reply, I did it myself and I was...