How to "piggy back" a non-HD TV off an HD cable set top box?

caramadra

Commendable
Dec 30, 2016
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Forgive me - I will NOT use the correct terminology, here, and this may be confusing.

In our living room, we had a Comcast Sci Atlanta Explorer 3300 (non-HD) set top box connected to an HD TV. It also had a coax cable connected to the STB "cable out" connector that ran out to our sunroom, where it plugs into the "cable in" connector on another non-HD tv. We controlled that TV with a 2nd remote and an infrared extender that sits in the living room. We only ever watch one or the other TVs, in these 2 rooms.

Well, the Explorer 3300 was messing up royally -- tons of audio and video cutting out, making it unwatchable.

Comcast sent us an HD Cisco RNG150N STB to replace it that has NO "cable out" on it.

I know that you can do "conversion" of component a/v to coax with a device, but we already use the component (red/white) audio outs to our stereo system input.

I'm trying to determine the best/most cost-effective way to "add" coax out to this STB, so that we can continue to watch on the 2nd TV. I fear we may have to buy another Comcast HD remote, because the non-HD remote doesn't seem to work (and that's what we use in the sunroom).

Any suggestions?

Thanks in advance...
 
You will need something like this
http://www.hdtvsupply.com/av-rf-modulator.html
The box has 2 digital audio outputs plus left and right analog audio outputs. If your stereo has digital audio inputs then use that connection and the analog audio out to the modulator. If the stereo doesn't have digital inputs you can use splitters to connect to both with the analog audio outputs.
http://www.ebay.com/itm/like/380446385085?lpid=82&chn=ps&ul_noapp=true
You new cable box is not the same brand as the old one so you will need another remote to use in the other room.
 
You will need something like this
http://www.hdtvsupply.com/av-rf-modulator.html
The box has 2 digital audio outputs plus left and right analog audio outputs. If your stereo has digital audio inputs then use that connection and the analog audio out to the modulator. If the stereo doesn't have digital inputs you can use splitters to connect to both with the analog audio outputs.
http://www.ebay.com/itm/like/380446385085?lpid=82&chn=ps&ul_noapp=true
You new cable box is not the same brand as the old one so you will need another remote to use in the other room.
 
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