Question about RCA D52W23 52" HDTV CRT TV

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Squealing when not watching HD channel

TV squeals on any channel that is not HD. Squeal is not coming from the speakers, it still does it when muted. It squeals on any of the a/v inputs except the component and the only way it doesn't squeal is if i'm watching a HD channel.

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  • RCA Master
  • 5,138 Answers

Replace or Resolder LL0377 then Glue it with gule from Glue gun.

Posted on Feb 13, 2009

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Phililips 50 dlp does nothing but the sound. then the red light comes on. changed the bulb but it does the same thing. what is the next step.


Hello, it sounds like one of the cooling fans has stopped in it, sometimes the get clogged up with dust so bad they can't turn causing the set to go into shutdown or a fan has gone bad. try cleaning the fans, bur DO NOT USE CANNED OR COMPRESSED AIR!, use a vacuum and a small paint brush to clean them out. The other thing is listen for a squealing sound, if the color wheel is going bad the usually squeal a bit, but if the picture is normal looking for the time it's on, that shouldn't be the problem.....tks

Sep 14, 2014 | Philips 50PL9126D/37B 50" DLP TV

1 Answer

My Mitsubisha WD 65838 dlp TV has a high pitch squeal coming from the back of the set.


These HD TV sets are 100 times easier to fix when they actually still (mostly) work.
Instead of waiting for the screaming component to fry and die, execute your warranty service, if
you have your original warranty info - or return it to the point of sale, if your TV was
purchased within the retailer's return period.
The squealers are almost always something in the power supply, or the audio circuitry , FYI.

Sep 04, 2011 | Mitsubishi WD-65838 DLP TV

1 Answer

I have an RCA DLP tv model HP50LPW52. the sound was there with no picture. since it is 5 years old I replaced the lamp for the first time. got it all hooked up, turned it on and the tv slowly came on....


That is your Color Wheel that is bad. I wish you would have posted the problem before buying a lamp. I would have told you to treat yourself to a new set instead of putting good money into a DLP set that is 5 years old.

Feb 10, 2011 | RCA Projection Televisions

1 Answer

Cold Start Up Low Squeal


If you can solder, try checking all the boards for poor solder connections. Resolder any that appear grainy or have rings. If that fails to resolve the problem, then we will have to start looking for failing capacitors in the power supply area.

Please note that there are potentially dangerous high voltages inside the set even when unplugged.

Keep us posted,
Dan

Feb 20, 2009 | Toshiba 42HM66 42" Projection HDTV

1 Answer

High Squealing Sound


There is a stand up coil about 1" tall and the dia of a nickel close to the HV transformer, the iron core glue comes loose over usage. This can be cured by replacing it or using a sealer/caulk and re-seal the coil. Hope this helps, it is not an expensive job for service.

Feb 13, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

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


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

Dec 20, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

Have a polaroid tv, model 3700 seriel F0600181940001053. WATCHING THE OTHER NITE AND A LOUD SQUEAL CAME ON AND THE PICTURE WENT OUT, TURN IT BACK ON TODAY AND THE SQUEAL IS STILL THERE WITH NO PICTURE..NO...


I have a flat screen polaroid lcd hdtv model 3700, first the sound started to get really loud with a beeeeeeeeep when we turned on and after a while was gone, now it doesnt! we had to put mute and connect the tv to a sorround system to hear it without that crazy noise, and now the colors of the tv are gone too its just black and white when we try to see the dish satelite but if we put a movie on the dvd player colors are perfect we try to conect the ps3 player too but its black and white too. Help what can it be!!!!????

Nov 14, 2008 | Projection Televisions

1 Answer

Hdtv has no sound when watching hdtv channels using a rabbit antenna. good picture quallity but no sound


newer television sets employing hd or digital require good antenna signal strength to allow the sound to come on.

there is an auto muting device built into the set so as if the picture is at all snowy it will mute the sound.
what you can do however with this set is to enter service mode and there is an option that you can change that will disable this muting aspect of the television.
The reason why a lot of sets have this option is to prevent damage to speakers.

Jul 11, 2008 | Projection Televisions

1 Answer

Audio problem... channel with no sound


make sure your S.A.P feature is turned off. S.A.P. stands for separate audio program.

Apr 25, 2008 | Toshiba 56HM66 56" Projection HDTV

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