Tip & How-To about Audio Players & Recorders

RF Modulators and cable connections



RF MODULATOR HOOKUP
For a TV with only a RF input jack, a RF Modulator can be used to hookup DVD players, DVD recorders and other devices which output RCA composite video and audio. For example, analog cable TV can be connected using a RG-6 type coaxial cable to a VCR or older DVD recorder's analog cable ready tuner RF input. Then as shown above, the output can be connected to the TV thru the RF modulator. The modulator outputs on channel 3 or 4 for the older TV so the TV is set to channel 3 or 4. Some RF modulators are built-in to Audio/Video switch boxes. These allow multiple RCA inputs along with RF input.




RF MODULATOR CLOSE-UP
The modulator converts signals to channel 3 or 4 so older TVs can tune them on their analog tuners channel 3 or 4.

RF Modulator - buy online
http://sewelldirect.com/belkin-rf-modulator.asp

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2 Answers

trying to connect a DVD player to a TV that is only equipped with a cable jack what do I do


You need an A/V to RF adapter to convert the audio and video outputs of the DVD player to RF so that you can watch the DVD player on an available VHF channel on the TV. See this device offered by Amazon:
RF Modulator TV Switch Audio Video RCA Ant Input to Type Coax Output...
You may also need a short 75 ohm length of coaxial cable with "F" type connectors on both ends and A/V cables with RCA plugs to complete the setup.

Jan 02, 2015 | Televison & Video

1 Answer

how to hookup and use


A DVD recorder can hook up to any TV that has at least a set of AV inputs (you will need an RF modulator if your TV does not have AV inputs).

Just hookup your cable or antenna feed to the ant/cable input of the DVD recorder and loop it out to the RF input on the TV.

Nov 13, 2011 | Televison & Video

1 Answer

I'm trying to hookup my Toshiba DR430KU to an older tv that require an RF Modulator. I get a skewded sideways picture. Does This DVDR compatable with a RF Modulator?


Probably not. Better picture results are achieved with either S-Video, standard RCA AV cable (yellow-white-red), or YUV component cable (red-green-blue) (component output does not have audio - this requires extra cable to be connected). The video via either one of these 'AV' connections is stunning (based on a standard 16:9 LCD TV using a Panasonic DVD recorder).

RF tends to be lower quality - as opposed to AV/digital input. AV input/YUV component handles digital better. No one connects their DVD devices to their TV via RF (either directly to the antenna socket or with a modulator/attenuator) anyway. Because a VCR is mostly analogue, it will work fine with an RF connection, but DVD is digital, and so won't work as well, if at all.

RF also goes through the tuner in a TV, creating cross-interference, whereas AV is a direct input and is separate to the tuner.

I would say an RF modulator would not be designed to handle the output frequency that your DVD device generates. Throw the modulator out, or perhaps get another TV, or use RCA cables instead if the TV has AV inputs. Whichever is cheaper and easier, but don't use RF accessories except a standard antenna if/as required.

Apr 27, 2011 | Toshiba DR-430 DVD Recorder

1 Answer

installing DVD player/RF Modulator with Star Choice


The RF modulator probably had a red, white, yellow trio of RCA jacks (A/V jacks), a coax jack marked "antenna" and another coax jack marked "TV"

Putting the DVD output to the A/V jacks allowed it to play out to the TV, which couldn't otherwise accept the DVD player.

The satellite box probably has coax and a/v jacks as output. Use the coax as output to the antenna input of the RF modulator, and the A/V jacks of the DVD player to the A/V jacks of the RF modulator. Hopefully the modulator allows the A/V jacks to have priority over the coax input, so that when the DVD plays it "wins"

Jan 12, 2008 | Televison & Video

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