Question about JVC AV48P777 Television

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No sound or input

There are two problems: suddenly no sound coming out of the tv speakers and none of the tv input jacks work for my dvd vcr or game system. I can only get sound by plugging external speakers into the two jacks at the rear of the tv. My tv is a jvc hdtv hdmi AV-48P777. I opened the back pannel and found mouse droppings.  I want to be able to watch movies and play games on the tv.

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You have the center sound on in your menu, just turn off the cneter sound option and it will all come back on

Posted on May 22, 2010

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The TV turns on but turns off immediately. The power light is Flashing.

Posted on Jul 01, 2010

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I have a logic tv which is just out of guarantee. Worked perfectly. Switched it off during the weekend. When I switched it on yesterday, I have sound but no picture. Any suggestions please?


Hi CJ,

First let's make sure you simply haven't pressed the MUTE button on the TV or LogicTV set top box (if equipped - I'm unfamiliar with LogicTV but most of these problems come back to a pretty simple solution). Adjust the volume down to 1/4 level.

If that is OK, make sure that you have selected the correct audio output mode for LogicTV. Typically, a Stereo Output is offered that uses a traditional Left and Right cable and jacks. The jacks are usually Red and White and labeled L and R. Other audio options include a Coaxial or Optical output over a single audio cable. This may be call a Digital Audio or Dolby Digital output. Finally, an HDMI output may be offered that sends BOTH the video AND audio over a single cable with a wider, flat jack that looks a *little* like a USB plug.

Determine which audio type your LogicTV uses and make sure that you have directed the LogicTV to use that same connection in the setup. Next, check that the A /V input for LogicTV is ALSO using the same audio type in the TV set up. If all is set right and there is still no audio continue below.

Next, we need to determine if there is no audio on ALL input sources of the TV. Try connecting an A / V device such as a VHS, DVD, video game console to one of the other A / V inputs of the TV and select it. Start the device and once you have a picture, check for sound. if you do not have sound, there may be a problem with the TV speaker or amplifier.

If you have sound, that eliminates a problem with the TV speaker and amplifier. Remove the VHS / DVD/ Game cables from the TV input. Move the LogicTV input cables to the input jacks that were just used by the VHS / DVD / Game and see if you can hear the sound in the new input selection. If not, there may be a problem with the LogicTV set top box.

Hopefully, you've found the problem! Good luck!

Mar 03, 2014 | Televison & Video

2 Answers

RCA model rtd3266


Quick and dirty:

From the back of the RCA unit make sure you are using the auxiliary input jacks to connect to the output jacks on the TV.

You will need to go into the setup menu on your TV to select an external sound system and finally you'll need to select auxiliary on the RCA unit to hear the sound from your TV.

Hope this helps,

The Tinker

Nov 30, 2013 | RCA Televison & Video

2 Answers

How to change sylvania tv to video without remote


I was able to get the Sylvania TV to accept a different input (the remote was lost) by connecting the DVD to a Sony VCR using composite RCA jacks then connecting that to the TV. You'll need two 3-jack (yellow, white, red composite) cables - cheap at any store. Here;s how:
1. Connect RCA output jacks from the DVD to the input female receptacles of the VCR (first cable).2. Connect output jacks from VCR to the female input jacks on TV (second cable). 3. Turn on all equipment (VCR, DVD, TV)4. Switch the VCR to "Line 1" (for my Sony VCR, this shows up as "L1") by pressing the TV/VCR button on the VCR remote (which I did have).
Your system should now work.
The principle is to "fool" the TV into thinking that it's primary input is through the RCA composite A/V jacks rather than the cable connection. No need to disconnect the cable at any time. Any functioning VCR should work well as long as you have the remote for that device. Remember, connect output on the DVD to the input on the VCR, then the output on the VCR to the input jacks on the back of the TV. If you have the connectors on the TV, VCR, and DVD, component cables should work as easily. Remember, output from the DVD goes to the input of the VCR. Theoutput from the VCR (for which you DO have the remote) goes to the input side of the TV.
Good luck!

Apr 07, 2012 | Sylvania Televison & Video

1 Answer

I have a dvd/vcr rrecorder with no coaxial connection. How can I tape or record a TV program?


Hi,first of all I assume that your Magnavox DVD/VCR Dual Player has the recording features as well..othervise you cant do anything"NEGATIVE" ..If yes than follow the procedure below..
If you want to record your TV program while watching to your DVD/VCR system you need to connect "Video - Audio Output " RCA jacks or "Optic cable output" of your TV or CABLE box to "Audio-Video input or "Optic Cable input" of the DVD
There you go..Your TV's video and sound is on the
DVD/VCR Dual Player Receiver..of course your DVD source input should correspond with the jacks you used on the back...push "RECORD" button it should start for recording the coming signal into DVD
when you recording the output RCA jacks of DVD will generate the signal of whatever records that can be monitored with another TV set after properly connected..
Take care and please
Remember to rate/vote and give me 4 Thumbs Up
for Helping out the Community :)

Hope this helps!

Jun 15, 2011 | Philips Magnavox DVD/VCR Dual Player

1 Answer

I have a LG47" tv


Your DVD audio is sent directly to your receiver - not to you TV. That's why you can hear the audio on your stereo. The TV audio is not being sent anywhere - it is "stuck" in the TV and is amplified and sent to the TV speakers. Since the TV speakers are off, you don't hear anything. In order to listen to the TV audio on the stereo system's speakers, you need to send it to the receiver.

You need to have a pair (left + right signals) of audio cables (assuming you wish to listen to stereo sound) from the TV's Audio Output jacks to a pair of Audio Input jacks on the receiver / amplifier. You can use any unused input - CD, Video, Tape, Sat, etc. If you use Tape or Sat audio inputs, when you wish to listen to the TV audio, you must select the Tape or Sat input on the receiver.

Do not send more than one signal to a set of inputs on the receiver. Typically, a CD, DVD and Sat inputs offer two or more of the following types 1) Analog audio. These are the older RCA jacks that have been around since the beginning and require separate cables for left and right channels. 2) Optical inputs. This is the newer digital interface that provides for Dolby Digital (and others) format sound over a single fiber optic cable. 3) Coaxial inputs. This jacks looks like an RCA jack, but usually has an Orange ring - instead of the Red & White rings that analog RCA jacks have. They use a single coaxial cable. 4) HDMI input. This jacks carries both digital video and digital audio signals. If you are using an Optical input for the DVD on the receiver, do not use any other unused analog or digital inputs associated with the DVD to "piggyback" another device like a CD , VHS tape, etc.

I hope this helps and good luck! Please rate my reply. Thank you.

Mar 25, 2011 | Audio Players & Recorders

1 Answer

Sylvania vcr/dvd installation


!st) The antenna INPUT::RF (black wire usually from "cable TV", "Dish TV", even ANTENNA air wave reception,etc.) into INPUT of VCR\DVD, OUTPUT of VCR\DVD to TV RF input.
2nd) If you have INPUT\OUTPUT to what are called " RCA " jacks on your TV, on the front or on the back, then any & all output jacks from VCR\DVD goes to INPUT\OUTPUT of the TV.
In other words:: output of audio on VHS\DVD to input of audio on TV( RCA jacks). Output of video on VHS\DVD to input of video (RCA jacks)
Hope this helps

Aug 14, 2008 | Televison & Video

1 Answer

I'm not sure how to get the Game cube connected through the VCR/DVD player... the tv only has a cable screw in connection, not the color cables, I have already got it so the VCR is connected to the tv,...


Plug the game cube RCA (speaker type) OUT jacks into the VCRs video/audio IN jacks(RCA TYPE)--yellow is video. You may have to press the tv/vcr button on the vcr to get the picture to pass through--or change your vcr setting to AUX in. but this should work for you-if not let me know.

Jun 24, 2008 | Philips Televison & Video

2 Answers

Magnavox 20MC4304 connection to receiver


your set has a coaxal DIGITAL output so you must have a coaxal digital input to your reciever and that input must be assighned in the reciever to the selected input. page 10 of your manual explains how to hook up to the tv. your receiver's manual will tell you how to assighn the coax input.

Mar 09, 2008 | Philips Magnavox 20MC4304 20 in....

2 Answers

Connection to a portable tv


The RCA set on a tv [Red /White /Yellow] are INPUT[ VCR/DVD player] not out put. Hook the speakers up the the 3,5mm earphone jack though you will need a conveerter plug like this

Jun 30, 2007 | JBL CREATURE II Computer Speakers

2 Answers

RCA ColorTrak 27" (non flat) connection to VCR/DVD combo


Yes, To change the input to video jacks, you must change the channel to 00.

Jun 25, 2006 | RCA F27645 27" TV

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