...a couple of minutes viewing the screen is almost covered by a large black square which blocks out videio content. Audio is unblocked. When in any set up mode square does not block video. Could it ...
...and model number to your TV? Provide more details, please. If audio is present, it means that upto videio IF stage output section is working properly, and the Chroma IC output might not be OK. To ...
...I can't determine how to set the TV to be using that source rather than the coaxial cable for the videio and audio. Any suggestions? My daughter is having the same problem with the same model tv..
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