I am playing alot of video games via the DVI connector (to HDMI) on my Sony KV-32HS500 and am noticing that the image is cut off at the top of the 720p display for my games. When I try to adjust the "TBLAK" from the service menu to reveal more of the image, it does, but it also is showing 3 horizontal black lines to the edge of the image. Is there some adjustment I can make to take away the horizontal lines or to move the image down to reveal all of it? Thanks!