I have Comcast cable TV. I have 8 TVs. 1 with Comcast On Demand. 2 with Comcast converter boxes. 5 others with RCA converter boxes. The RCA ones say O cannels found when I select Channel Add from the screen that's on the TV. Also getting the message No Signal.
Won't these RCA converter boxes work to convert channels 30-78 to digital format or will only Comcast converter boxes work? I'm able to get channels 1-29 without a cable box but not 30-78 because Comcast says we need converter boxes for these channels.
I don't want to spend the additional monthly charges to put Comcast converter boxes on all my TVs. They only gave us 2 for no additional charge. So out of my 8 TVs only 3 are working fine but the others only show 1-29.
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