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If your cable box has no HDMI output and your only option is RF output to the TV's RF input, then: Do a channel scan on the TV, so it "sees" the analog channel (3?) of the cable box's output.
Sorry, there was a problem. Please try again later.For best video quality connect your Cable Box to the TV using HDMI. David M. - Toshiba Support
Sorry, there was a problem. Please try again later.What cable company do you have. I have Xfinity and I stream from the Xfinity app. If this is your main TV I'm not sure. I have in bedroom and don't require a second box , you download Xfinity app to it and you can log into channels with you Xfinity log in
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