Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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NO PIC HIGH PITCH SQUEAL COMING FORM BACK BOTTEM PART OF TV?

WHAT COULD BE THE PORBLEM PUSH POWER BUTTON NOTHING HAPPENS BUT A HIGH PITCH SQUEALL AND BURNT SMELL COMING FAINTLY FROM THE AREA WHERE THE CORD GOES IN TO THE TV

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  • mobushwacker Dec 21, 2008

    thank you i will call them

  • mobushwacker Dec 21, 2008

    still need a fix thank you if you can help

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  • RCA Master
  • 5,138 Answers

Squealing sound means you have something shorted in high voltage area around FBT on Power/deflection board.UED has replacement boards & Misc Parts for these sets if in stock call them1- 800-648-6657

Posted on Dec 21, 2008

  • ladywinn
    ladywinn Dec 21, 2008

    hori output is a NTE2324 transistor/ Go to www.ued.com type in your make or chassis number look to see if they have Flyback transfomer FBT.

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6ya6ya
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What does a power supply failure on a tv?


??? what does a power supply failure on a tv look like ???


none of the buttons light up , nothing lights up no bars or stripes on screen , nothing !! cord is plugged into a power outlet and is on , but nothing no lights no sound (sometimes a high pitch squeal is heard )

Aug 03, 2016 | Televison & Video

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My tv powers on displays the LG logo then makes a high pitched squeal sound from speakers and then flashes on screen (strobe light effect) does not display picture or sound.


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Dec 16, 2015 | LG 55LE5400 TV

2 Answers

I have a peavy classic 100 2x12 1975 has a high pitch squeal coming out of amp when powered on


If this happens only when the guitar is plugged in, most likely there are two possibilities. The first, you have some issues with the electronics in the guitar OR are using an acoustic guitar witch has an extremely sensitive pickup that provides nothing but feedback. If this is happening with the guitar unplugged, there is a mountain of possibilities.

Sep 01, 2014 | Music

1 Answer

Canon imageclass MF8180c squeals


Try replacing the Drum Unit, this is a problem I have encountered many times as a service technician. most recently I had one that was at 89% remaining and every time the unit begins the print process it makes a high pitched squeal.

May 01, 2012 | Canon imageCLASS MF8180C All-In-One Laser...

1 Answer

LCD tv won't power on...


The power board is dead,replaced the board.Well get the power back.Tries Shopjimmy.com,Ebay.com for the part.

Jan 26, 2010 | Televison & Video

1 Answer

I have a Toshiba 27AF42 and I get a high pitched squeal after the TV has been on for a few minutes. Any ideas how to fix this? Once I turn the TV and back on again the squeal goes away.


yes. its the horizontal linearity coil resonating. take off back. and while unit is on, take a plastic straw and push on coils in the high voltage area. you will find one that squeals when pushed on, or will stop squealing when pushed on. solder that coil and area. that will fix 80 percent of the time. if you push on it and the squeal tone changes, solder it and silicone it done. fixed.

Nov 14, 2009 | Toshiba 27AF42 27" TV

1 Answer

High pitch squeal


sounds like the tensioner for the belts is worn

Apr 08, 2009 | 1996 Geo Tracker 2 Door

1 Answer

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.
Be careful and make sure the TV set is unplugged.
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.

Oct 29, 2008 | RCA F32650 32" TV

3 Answers

High Pitched Noise on TV


THIS NOISE IS NORMAL. IS THE DEGAUSING COIL

Sep 16, 2007 | Televison & Video

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