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Our RCA DLP has a loud hum when it is turned on, but goes away when it warms up. What is goint out?

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It's' just the lamp warming up. It usually takes about 30 seconds for a DLP to start up. This is nothing to worry about.

Posted on Apr 10, 2011

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What may cause a high pitch hum.even when muted or volume turned down?


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1 Answer

How do I fix loud humming noise in my DLP HLP4663W 42 IN Samsung TV?


I would start by checking all the cooling fans to see if one is dirty or possibly failing.

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1 Answer

I have an RCA Scenium HD DLP 50" TV Rear


What is the Model Number that is printed on back of TV?
You say TV is DLP ,but you are posting Model# HD52W59 that is for Projection that has 3 Tubes Red/Green/Blue Tubes.
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If it is Projection then it has a coil on the deflection board that either needs to be replaced or
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1 Answer

I have a loud humming noise comeing from my tv


Check power supply filter capacitor that goes to Audio IC.

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1 Answer

I have a 52" rear projection vivitek dlp tv. Picture is fine, but it has a loud humming sound. Does anyone know what it is or how to fix it??


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1 Answer

When i put the tv on there is a loud humming as the tv warms the


could be a fault in the mains power-supply section,

Oct 13, 2009 | Televison & Video

2 Answers

Loud Humming


Many times a "humming"sound is caused by bad signal, caused by things like, bad rca cable, bad rca ground from the radio, or even a bad ground in from the amp to the car.. Wiggle your rca cables at the input to the amp, and see if it changes the hum at all.. If not take a short peice of speaker wire, and wrap one side arrounf the outside metal at the end fo the RCA jack, and then touch the other end to ground, and see if that makes the humm go away. If the humm goes away at that point then you need to have your radio replaced, or repaired. if neither of these do anything to the hum then check for tight ground connection to the amp, and to the car..

There could also be a problem with the amp it's self, but this kind of thing is hard to diagnose over the web, so try those things, and let me know what happens..

Aug 15, 2009 | JBL Audio Players & Recorders

1 Answer

Buzzing loud noise constantly.


I HAVE A RCA 50 HDTV DLP MODEL #D50LPW134 IT MAKE A BUZZING SOUND AND NO PICTURE i CHANGE THE BULB AND STILL NOT WORKING.

cantrin@hotmail.com

Ken

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1 Answer

Tv has what sounds like a humming noise by where the bulb is


sounds like the color wheel problem.
http://www.jangro.com/a/2006/07/24/samsung-dlp-replace-color-wheel/

Dec 11, 2007 | Samsung HLN567W 56" Rear Projection HDTV

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