About a week ago, I started having issues with just the ABC network and no sound. Sometimes, pixelation also occurs. Changing the channel and switching back to ABC fixes the issue every time. In my case, it happenes on every TV/cablebox in the house, so it is not an issue with the setup or eqiupment in my house. I've only tested this on the highdef channel, 231. It must be an issue at the source, Comcast/ABC. Any ideas?
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