Question about RCA D56W20 56" Rear Projection Television

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Why does my d56w20 link 3 times with a humming noise

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3 Blinks is just saying that there is a problem , and the fault is often concerning teh deflection circuit. The pcb is located behind the back panel, on the bottom left hand side, the firt thing the technician will do is looking for leaky or bulged capacitors in there, checking horizontal and vertical output and testing the the resistors on the deflection circuit.

Posted on Jul 18, 2009

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I have an RCA model D56W20. When I press power, the light flashes 3 long flashes then nothing. No picture, no sound.


I may of seen a different version of this question a few days ago, The set has a 3 strikes and you are out (not a joke) as it will try 3 times when powered up to come on and then go into shutdown.

Most common issue is bad solder connections under the High voltage transformer (see photo of typical one).

Not knowing your skill level let me know how you want to proceed.


12_6_2012_3_02_57_am.jpg

Dec 05, 2012 | RCA D56W20 56" Rear Projection Television

1 Answer

Humming


This sounds like a problem with the color wheel - seelinks below.

Samsung Color Wheel Replacement Guides.

http://www.jangro.com/electronics/samsung-dlp-replace-color-wheel/

Or try this link:

http://guides.fixyourdlp.com/samsung/bp96-01579a.php

If you find that these links helpful be sure to respond with a rating. Thanks for using Fixya!

Dec 27, 2009 | Televison & Video

1 Answer

I have a 56 inch rca that blinks three timeswith a humming noise but wont turn on


The 3 blinks (an error code) and the hum (most likely from the flyback) indicate that the flyback transformer is bad and needs to be replaced as the simple way of putting it (fairly common problem with projection tvs). If you plan on doing it yourself, then you should have some electrical expertise since working in a projection tv like this can be very dangerous otherwise I would go through the local shop. Let me know how this turns out for you.


Benjamin

Jul 18, 2009 | RCA D56W20 56" Rear Projection Television

1 Answer

I have a humming noise coming from my new 50in panasonic plasma tv. Is this a common problem and if so what could I do about it? Thank you for your time. Pat


The humming noise should be verry low . It is caused by the powersupply and switching fets on the boards. A plasma screen always produce some sort of humming noise when listen carefully to the device but it shouln't be anoying when enyoing a movie. So it is a natural thing but again it should not be noticable, enyoing a movie at apr. 3 meters or so...

Jul 09, 2009 | Panasonic Viera TH-50PZ80U Plasma TV

1 Answer

Rca model number d56w20 green light blinks 3 times and then off , repeats cycle 3 times then nothing. no pic no sound


Sorry but I can't afford your service, and yes i stil have the same prob..
thanks
jandjmayo@yahoo.com

May 29, 2009 | RCA Televison & Video

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