How to Hook Up a Comcast Cable Box to a TV and a VCRby James ClarkUpdated February 10, 2017
Comcast is a cable TV subscription service that uses descrambler boxes to process a cable TV signal coming into a building through a coaxial cable. The box can be connected directly to a TV for viewing programs, or a VCR can be hooked up between the cable box and the television for recording movies and programs from the cable box. The VCR connects to the Comcast box with a coaxial cable. The TV hooks up to the VCR with a composite audio-video cable.
Connect the coaxial cable from the "Out to TV" jack on the rear of the Comcast box to the "RF IN" jack on the back of the VCR. Turn the metal coupler on each end of the cable clockwise around the external threads on the jacks.
Insert the white, red and yellow plugs on one end of the AV cable into the color-matching playback or "AV OUT" jacks on the rear of the VCR.
Connect the three plugs on the other end to the corresponding "AV IN" jacks on the back of the TV.
Turn on the VCR and set the channel on the component to 3 or 4, depending on the model.
Turn on the VCR to watch programming from the cable box or to record from the cable box to a videotape.
Items you will need
Coaxial cable with coupler on each end
Composite AV cable
Unplug the components from the electricity while hooking up the AV cables to eliminate any risk of a short circuit.
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