Question about RCA HDLP50W151 50" Rear Projection HDTV

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Humming and buzzing sound at start up and continues all the time.

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Bad Color Wheel PN# 212184
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Posted on Sep 28, 2010

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Posted on Jan 02, 2017

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1 Answer

I have a "continuous" humming sounding when units are heating. The sound is very loud


The humming sound that occurs may be similar to the annoying buzzing my GE microwave produces at random. It could be mechanical vibration. Doesn't seem to affect cooking.

Nov 16, 2016 | Microwave Ovens

1 Answer

After the oven is on for about 5 seconds it has a buzzing or humming sound


This seems to be a failure of the control panel pad or switch as it does not take the command.

The only way possible to see if the touch pads are working is to test the voltage of the control pads when it contacts. The input of the Microprocessor should be checked for the pad control impulse to come in. If there is no trigger voltage to the mP this can be the control pad problem.
The mP must be checked for the working voltage and also the frequency oscillation at the crystal leads. If so the mP is working with a suspected control pads which are not able to set the program or timing.
There is no way but to remove the sticker pad and replace, One difficult way to have a chance is to remove the carbon sticker pads and check continuity , You can use a carbon pen to line the tracks so that the multi-meter reads a continuity. With this you can have a temporary fix

Jan 11, 2013 | Amana MVH230 Microwave Oven

1 Answer

When i tried to turn on the dryer, i get a humming / buzzing sound and the drum / motor doesn't spin anymore


Hello,
Those symptons (humming/buzzing ¬ starting) are 99 out of a 100 times a sign of a motor that has locked up.

Gene

Aug 07, 2011 | GE Dryers

1 Answer

Freezer compartment no longer cools. Continuous defrost cycle?


Good day,
Sounds more like the compressor trying to start and can't.
Pull the machine out, remove the rear cover and see if in fact the sound is coming from the compressor.

Apr 08, 2010 | Whirlpool Refrigerators

1 Answer

Buzzing/humming noise with jenn-air bottom freezer


i have this problem too on my GE Profile. A youtube video seems to suggest a compressor problem. Turn off the fridge for a while and let it cool down and try again? I tried but to no avail. Would someone answer this? Please :)

Mar 21, 2010 | Jenn-Air Refrigerators

1 Answer

Humming, but no spinning


It could be the capacitor which kick starts the motor.

they are relatively cheap to replace.

Ash

Oct 22, 2009 | Frigidaire Dryers

2 Answers

Loud humming or buzzing when set is in operation


Does the picture gets distorted in any way when you hear the buzzing noise?
I would suggest to check all the cooling fans for proper operation.

Jul 16, 2008 | Samsung DLP HL-P4663W 46" Rear Projection...

1 Answer

Humming/buzzing sound


That could be either the ballast, or colorwheel. Does the sound get louder at the rear of the tv or louder in front. let me know I may be able to help you.

Apr 08, 2008 | Toshiba 46HM95 46" HDTV

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