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No audio connected a hd dgtec top box to a sansui SAN3201 LCD tv used RGB cables have picture. Connected standard right,left audio leads but have no sound.Changed the audio leads with another set but still no sound dgtec top box was connected to a previous LG plasma tv and operated the audio fine.

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I will try to explain this clearly.

Make sure that there is sound leaving from the connections on the top box.

Check that the audio cables are connected to the associated audio input for the video at the rear of the set. Make sure that there are no other shared inputs for the same input. With shared inputs, only one can be the default reference for input.

Check the menus in both the top box and the TV set to make sure that all setups are correctly done.

Jerry G.



Posted on Apr 14, 2008

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3 Answers

With set up box audio in to tv causes high pitch sound


I am assuming this should read 'Set top box'. What kind of cable are you using?

Usually the set top box connects via a SCART lead but yours may be HDMI if it is a very new set top box.

If you are using RCA plugs, you may have cross connected the wrong cables. The RCA cables should be colour-coded. RED and WHITE are for audio, Yellow is for video.

Best advice is to switch it all off, remove all the cables you attached, and start again. The instruction manual/user guide usually has an illustration to help you identify what your set up looks like - there are usually several examples.

If the cables you need did not come with the set top box, you will need to purchase them.

When you are connecting audio leads, you should use the 'audio out' on the set top box and the 'audio in' on your TV set.

It would help to know the EXACT model number of LG screen you have and the make and EXACT model number of the set top box.

Good luck.

Mar 07, 2015 | LG 42LC2D 42 in. LCD HDTV

2 Answers

No problem - I hope!!!! Just need to know if Direct TV is compatible.


Direct TV is compatible with all TV's. Just requires the proper cable connections

Mar 10, 2011 | Flat Panel Televisions

1 Answer

How do i connect my directv box to my soyo tv #DYLT032D


  • If your DirecTV box supports HDTV then connect it using either an HDMI cable from the box to the TV (located on the back, labeled HDMI 1,2,3,etc.).
  • If the box is not an HDTV box then connect it with a RGB (red, green, blue) composite cable from the box to the TV.
  • If the RGB output is not on the ack of the box then connect using a standard coaxial cable.

[NOTE] In order for the quality of the picture to be HD, use the RGB for digital (Better), or the HDMI for High-def (Best)

Mar 02, 2011 | Soyo DYLT032D 32 in. LCD Television

1 Answer

Hi, I've connected a Philips 42PF9946/79 Plasma TV to a Beyonwiz DP-Lite i Digital Set Top Box. The connection is through a HDMI Cable and TV is viewed on the 'HD' channel/mode. Previous to the Beyonwiz...


@leemcdowall...

your concern points to some adjustments of resolution from your set top box, as we all know all TV'S has fixed resolution doesnt matter what brand and the only way you can change that is through your source which in this set up is your Beyonwiz, please consult their manual and see if you can change the resolution in their video set up page.

Feb 20, 2011 | Philips 42PF9946 42 in. EDTV-Ready Plasma...

1 Answer

How to hook up TV with set top Cable box


If you have a new HD cable box then I would use the RGB cables. It is a 5 cable cord with color codes of RED-GREEN-BLUE and a Red/White for audio. They will go from the output of the cable box to COMPONENT INPUT on the back of the set along with the audio in. This will give you the best possible picture and sound.

Nov 26, 2010 | Vizio VA26L 26 in. LCD HDTV

1 Answer

LCD TV IS CONNECTED TO CABLE USING SATELITE. CABLE IS RUN APPROX 150 FT FROM SAT DISH TO TV. RECEPTION IS VERY GRAINY,,,IS IT THE LENGTH OF CABLE? THE CABLE IS 100FT CONNECTED TO 50FT CONNECTED TO TV....


Is the satellite receiver HD or standard?
If it is standard you should hook up the box to the tv via RCA cables (Yellow/Red/White) and this will help with the picture quality.

If it is a HD receiver then hook up the box to the tv using a component video cable and this will drastically change the quality of the picture.

Using a coax cable to attach from the box to the tv essentially is connecting an analog signal to the tv and this will produce a lower quality picture...

Good Luck!!

Jan 02, 2010 | Samsung LN32B360 32 in. LCD HDTV

1 Answer

I am about to receive an LG32LF4700 Freesat/HD TV If I disconnect the SKY Box and connect the TV direct to the Dish cable will I receive Freesat HD channels. Also can I connect an extra bedroom TV into the...


Yes you can split the signal out from the back of the Freesat/HD (not the TV)to the second TV.
Look what outputs are on the Freesat box - the RF (standard cable) output should go to the 2nd TV (TV set to CH3) and the a/v cables,HDMI or DVI cable should go to the new TV - Note:To receive HD the output from the Freesat should be either HDMI,DVI or Composite output (RGB video jacks) with red White for audio. If you have HDMI this is best - it also provides audio.

Oct 28, 2009 | LG 42LC2D 42 in. LCD HDTV

1 Answer

Connect tv to cable box with hdmi lead


You will need an HDMI to DVI cable which are available in the shops, even ASDA has one but I don't know how good it is. Or you can buy an adapter that will plug into one of the ends of the HDMI cable and then plug into the DVI socket at the back of the TV. The DVI input is video only so you will need audio leads for sound. These will connect from the output of your source, say, blue ray or sky HD (Left and right audio sockets ) to the audio L/R at the back left of the TV (on the block next to the three component video connections and s-video connections)

Oct 03, 2009 | LG RZ32LZ55 32 in. HD-Ready LCD Television

1 Answer

How to get a high definition Picture??


Hi, first of all you need a high definition source. I'm not sure if your cable box is HD but lets take it as an example. The component leads which you are using isn't 'true' HD video quality, what you need is a hdmi cable from your source to your TV.

Your cable box maybe HD with a HDMI output, if it is then you need the lead to come out of the cable box into your tv's HDMI input using a HDMI lead. Then you switch your TV's source to the HDMI input and it then should be producing a HD quality picture, but to truly get the full HD experience you may want to subscripe to a HD channel or purchase a blueray player becasue most cable TV channels are upscaled to HD and the definition is not as good as on a blue ray disc or a true HD channel.

So in conclusion the cable and input you are using is not designed for HD input. I believe your TV is HD, check for HDMI inputs or DVI inputs.

Hope this explains your problem

Nov 28, 2008 | Sansui HDLCD-2600 26 in. LCD Television

1 Answer

Connection problems


Assuming you have connected the DVD to the component (red / green / blue phono) connectors at the back of the set, and the TV is set to EXT5 then the problem is a setting on the DVP5980.

Check the Upscaling setting on the DVP5980 by pressing the HD UPSCALE button on the unit. Cycle through the options until you get a picture. The 30PF9975/12 is not fully HD compatible, so may only support the lower resolutions. (If any)

If this does not work, connect the DVP5980 with the scart and power on the without a disc in the tray.

Press Setup on the remote.

Press the right arrow button twice to get to the VideoSetup Page.

Move down to the Component setting an change from RGB to INTERLACE.

Disconnect the scart and connect the component lead. Select EXT 5 on the TV.

If the picture appears correctly, go back to the Video Setup Page and change the progressive option to On.

Mar 09, 2008 | Philips 30PF9975 30 in. LCD HDTV

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