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Beovision I have a beovision 7 40. 2006?it always worked fine. Picture just gone on Sky and integrated DVD. Sound working on both. Any advice.

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  • 3,320 Answers

There are no user serviceable parts on these flat panel tvs.
Use your warranty if available. This is why buying the extended warranty on expensive electronics is a good policy.
Find a nearby electronics repair shop and get it checked over.

Posted on Mar 26, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: dmtech 20 inch lcd tv dvd

These problems ocour when the inverter of Cathode tube fail in lcd tvs basically the tv need an inverter (mot likely)

Posted on Apr 27, 2008

dutchman05
  • 487 Answers

SOURCE: LG LCD/DVD TV no sound on TV - DVD works fine with sound!!!!

HERE is the servce manual for this TV

Posted on Jun 21, 2008

  • 2 Answers

SOURCE: no sound through ps3 hdmi

hi i had a problem, but had no pic, but did have sound, rang sony, and they said buy a new hd cable, went out and bought one, and it worked fine!!!

Posted on Jul 04, 2008

freetek
  • 5568 Answers

SOURCE: no picture but sound plasma tv

If it is affecting video only, the display's power supply is probably at fault and without some technical background and a couple of test instruments, you will not be able to do the repair yourself. 
What you can do though is; unplug the set, let it stand overnight or at least several hours, remove the back panel and look for two separate boards with mostly larger components on them; they will have ferrite core transformers on them and several larger capacitors which are cylindrical and mounted vertically to the board.

 
Before touching anything inside, especially on either board, allow several hours to be safe since the larger capacitors can hold a painful voltage charge for some hours.  
 
The section most likely to fail and cause your problem will be one that you see associated more with the display than the incoming AC line; the latter is the main power supply and its failure would result in no sound or video. 
 
If you see signs of overheating such as discoloration of the board material, it may not be repairable but if you can find a part number on the board, you might be able to buy the power supply and install it yourself.
 
If there are no signs of heat damage to the board, there may be companies offering to repair it as a subassembly instead of repairing the whole set which could be much more expensive.


Posted on Oct 01, 2008

  • 8457 Answers

SOURCE: I have sound but no picture from all my AV inputs

Ur LCD inverter board is dead.Replaced this board will get the piccture back.It a long board.Tries Shopjimmy.com,Ebay.com for the board part.

Posted on Feb 10, 2010

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1 Answer

Beovision 7


There seems to be quite a few people with the digital upgrade for this brand. I suggest you go to the user forum for people with this type of problem
http://archivedforum.beoworld.org/forums/p/2741/19556.aspx

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I have a 46" DLP TV, I have sound but no picture. But I can play a DVD, and it works fine.


Does the dvd have picture when playing or no picture no matter what?

You can try switching cables.

Do you know if the screen is on?

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Been a few days now with no sound through tv or sky thought id leave it a few days incase its only temporary but still no sound everything else working fine volume is up picture is as normal just no...


Hello, sounds like the sound module has gone. You will need to get it replaced, shouldnt cost too much.Always get a couple of estimates before you decide on which repairer to get. If you like you could try running the sound out from tv to a stereo and see if you get sound, your manual can guide you through it, I hope I have helped.

Mar 27, 2011 | Televison & Video

1 Answer

The television is on and the sound from the sky box is working but there is no picture at all.


check the picture is coming with dvd in that same A\v jack when it working means sky box may be prob,if not tv is prob call for svc

Jun 11, 2010 | Televison & Video

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Beovision 7-40 i've got has done the same thing.... it will cost me around £600 to replace. the say they dont repair it they just replace it, how rubbish is that! what is the type number of your beovision 7 ? as i might be able to help you.

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if you know how to use soldering iron,try to resolder your tv,especially the jungle,regulator and the horizontal section.if not working, check the output transistor a square black plastic w/ 3 legs at the back of the plyback.

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1 Answer

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