Question about Sceptre X37sv-Naga 37 in. LCD Television

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Audio noise on my Scepter HDTV

When using pretty much any audio input besides the coax cable input, I get audio crackling and popping. At first I thought it might be a short or a bad cable, but now that I have listened to it, it sounds like cell phone or radio chatter. How can I get rid of this problem?

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1 Answer

It missing the fitting on back to attach coax cables to


Missing it or does not have one? Either way you can fix the missing connector that just popped through the casing If it never had one then it has what is called a composite input. That will be the yellow colored RCA input. There should be a red and white next to it for red and white audio. Now, if you have a coax cable with an Fconnector ont it (screw in type) you can go to a radio shack or a home improvement store and get an F to RCA adaptor to make your cable fit in the back of the tv.

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1 Answer

HAVE A YAMAHA RX-V371 RECEIVER, NO CABLE BOX AND I CANT GET ANY SOUND FROM MY PHILLIPS HDTV.


if you have a coax digital out on your tv, why not use that, you have coax, optical, and hdmi inputs on your reciever, but the easiest, low cost way is the coax

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1 Answer

No sound on coax audio input from HDTV


Check your settings on your tv. You may have to turn off the internal tv speakers in the setup menu in order to get any audio output from the jacks on the back.

Dec 20, 2012 | Sony STR-DE835 Receiver

1 Answer

Can you turn coax into rca cables since the maxent I have doesnt have a coax input


You can but the connection type is not the problem. If you have Coax cable or antenna type signal you need to put that into a tuner capable of providing the RCA (baseband or composite) video out with RCA audio as well. However if one is going that route with a HD display then the SVHS tyoe connector or even HDMI or some component level cables should be used to get the full benefit of the HD signal.
If your HDTV has no Coax input then it is not a TV but a display
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1 Answer

Where does my coax cable plug into this tv? I can't find the cable jack.


In between your composite inputs and audio inputs on the back, there should be a coax plug that says antenna/cable. Plug it in there and you should be good.

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My (Cable Service) wire feed is directly behind my HDTV and hooked up over my fireplace . The Rxv667 is located on a side wall book shelf. I have A HDMI wire running to the TV from my receiver. Do I need...


Is there a set top cable box, or are you feeding the cable directly to your HDTV (coax directly to the TV). If you are feeding cable directly to the HDTV then you don't need HDMI. There maybe exceptions, but most TV's don't have HDMI output. The only thing you need to run from your TV to the Yamaha is an audio cable. I assume your HDTV has an optical audio out (either TOS or coax.... Your Yamaha will accept either). Connect the optical audio cable to the AV4 input on the Yamaha. This way when you hit the TV scene button on the Yamaha remote, it will select the AV4 audio input (the default for the TV scene). The optical cable will feed the full audio signal, so that the Yamaha can pass through the surround sound or use the decoder as appropriate to feed your 7.1 or 5.1 speaker system.
If you have a set top box, you may be better off moving that near the Yamaha. In this case, cable goes to settop box, output of set top box via HDMI or component video (RGB) and optical audio to the Yamaha (if you use HDMI Input 2, and AV4 for the optical audio (if necessary), the TV Scene will select the appropriate inputs) and then an HDMI to your HDTV.
In case one, you may need to setup the TV to process the audio appropriately. I have experience with Panasonic Plasma but thats about it.

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1 Answer

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Might be a problem with your cables. Get new ones.

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2 Answers

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Ya I get a humming sound when the volume on my Daenyx is turned up to 1 quarter the volume,Does anyone else have this problem? These TV's have great picture and sound when the humming isnt there but I cant find to much info on them.I have heard that these tv's might be made by Daewoo but I cant confirm this,Does anyone know if this is right??

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1 Answer

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your problem is a stand-up printed curcuit pcb it has several mof those small surface mounted caps that always goes bad and the # on the part is SBX1981or SBX1981-51p its part # is 874213400 its about 11 to 15 bucks . Dont try to repair the part as the pcb is eaten up from the caps leaking all over it. Good Luck

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