Question about RCA 20F420T 20" TV
Without knowing the specifics on this adapter - I can provide only provide some clues as to how this works.
Basically, the A/V jacks on a TV has a "fixed" audio output level - this means that the sound levels on the A/V jacks is NOT controlled by the volume control of the TV itself. You should be able to set the TV volume to minimum and then use the adapter's volume control to make the earphone / headphone sound louder and softer. Your TV however, may have a setting in the menu that can change the audio from "fixed" to "variable". If set to "variable", when turning the volume down for the TV's built in speakers will also turn the volume down on the A/V jacks as well. You do not want this to work like that as the sound in the headphones and the TV speakers will be same - instead of the TV speakers being off and the headphones on.
I hope this helps and good luck! Please rate my reply. Thanks!
Posted on May 26, 2011
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Posted on Jan 02, 2017
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At present, the square connector is what is called an "Optical" connector. It's purely digital and transmits digital data via what looks to us like a RED LIGHT. Your headphones are incompatible. Your heaphones have an analog connection on RCA Phono type connections. The type you usually get on the back of hifi equipment.
The pannasonics DO have a headphone socket, but it is the small 3.5mm type socket. a small round hole that looks slightly larger than a pin head. It normally has a small diagram of a pair of headphones above or below the socket to indicate what it is.
In order to connect your headphones to your set you will need a stereo,male 3.5mm jack to two RCA Phono jacks.
If your current lead on your headphones has "male" ends, the red and white ends should have silver or gold points sticking out.
If your current lead on your headphones has "female" ends, the red and white ends should have silver or gold surrounds with holes in.
With this in mind, if you have male ends you will require a stereo 3.5mm jack to stereo female Rca Phono vice versa so that they basically lock into eachother forming a "Constant chain".
I have tried to explain this as best I can, I hope you've managed to get the idea of what I'm saying.
You will either need this :
or this :
Sometimes the colours of connectors vary. Just remember that Red to Red (for right hand side) and White to White or Black To White or Black To Black (for left)
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