I have a Panny AX200 great great pic ....

The unit has bout 6 months of use on it .Turn it on today to watch College Basketball notice a green stripe on the right side of my screen.. I change the channel same results, change hdmi cable same results .. I have the unit hook up to my comcast hdtv box .... I only get the green stripe when I'm watching TV i have unplug my cable and replug it back in same results .. What could be causing this ?? Thanks for any and all help :D

Mr.Cinema

I figure out the problem it was the cable box .. had to go into service menu and change the output signal ...

yes right may be the cable box have some problem you should check it patiently
and if you can't resolve it you should ask the engineer