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No sound just a squeal

The picture is fine and channel surfing just no sound and a high pitched squeal

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  • Vizio Master
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Audio output IC fault. Replace it. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Posted on Mar 31, 2014

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Posted on Jan 02, 2017

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jomaru
  • 337 Answers

SOURCE: No picture only a high pitch sound

Yes,it can be repaired,sometimes for no reason components fail and they need to be replaced,if you are familiar with tv service you can check the horizontal output transistor,it might have gone bad(shorted out)and is all is going to take to get the set back running,sometimes the output trasformer damages the transistor and both have to be replaced,first just change the transistor and if it blows up again then replace the transformer,if you are not too familiar with servicing a tv be safe and call for assistance from a servicer,if you take the set to them it should be expensive.Let Us know how it goes or if you need more information.

Posted on Nov 08, 2006

rey jr
  • 149 Answers

SOURCE: Samsung TX-P2670WH 26" tv squealing

hi there, you do have a problem at the hozintal section, check the FBT and some parts at the horizontal section and at the power supply section. ty

Posted on Jan 01, 2008

SOURCE: it's a Samsung SlimFit HDTV TX-T2782

I was told that it might be a flyback transformer issue. Hope that helps, I'm still looking into getting mine fixed.

Posted on Jan 05, 2008

SOURCE: high pitch sound comming from tv!

The horizontal transistor and the flyback are damaged

Posted on Apr 24, 2008

  • 19 Answers

SOURCE: NO PICTURE AND WHEN PLUGGED IN, JUST MAKES A HIGH

Your horizontal ouput is shorted. You might can get by with just replacing it but the flybcak may also be bad.

Posted on Jan 05, 2010

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1 Answer

High pitched sound


The high-pitched squeal is from the power supply, usually because of failure of the horizontal output transistor, flyback transformer, or both. Without a specific model I can't give more definite information about part numbers or likely costs. But repairs of this type usually have parts costs in the 10 to 75 dollar range (depending on just which parts are bad, and where replacements come from) plus whatever labor costs the repairer charges.

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RCA Model f27650 High pitch squeal


the high pitch squeal indicates shorted component/s. the transformer goes hot co'z its being overloaded by the shorted component, it too could be the one creating the squeal!!

if you have experience with electronic troubleshooting, try to test some of the components particularly on the secondary part of the transformer.
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test for shorted diodes and transistors, if you're in doubt of your readings try to desoldering one leg of the diode then proceed with the testing/measuring. replace any of the bad components you find exactly with same part number or replacements with the same rating.

spend more time on it resoldering some other cold soldered components.

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