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Thread Starter 
Hi all,

Long-time lurker - used this forum extensively when making my purchase decision. In the end, I chose the Sammy PN50B450 b/c of aesthetics (big for my gf) and power consumption, plus all the great technical merits heralded in post after post.

Question: Been watching a lot of HD hockey lately, and have noticed vertical grey banding (looks like JPEG artifacts) on certain sections of the ice. I don't notice this on any other material, but am worried that there might be a problem with the panel.

Any advice for diagnosing this further?

Cheers,
mflat