Check that your "Y" cable is securely seated at both ends. I was getting some video interruptions, and it turned out that the (snug-fitting) connector was not seated all the way in. Once I pushed it in the rest of the way, I've had no problems at all, HBOHD or anything else.
A forum community dedicated to home theater owners and enthusiasts. Come join the discussion about home audio/video, TVs, projectors, screens, receivers, speakers, projects, DIY’s, product reviews, accessories, classifieds, and more!