Question about Philips Magnavox 27MS343S 27" TV

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Humming noise television makes a humming noise towards the back of the set and gets louder when you turn it on it seems to affect the screen you can see a wave go from bottom to top

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Change the filter capasitor of the main supply, the big capasitor .

Posted on Oct 01, 2008

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Posted on Jan 02, 2017

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Why has my fridge freezer started to make a louder humming noise?


no problem with that it is normal..your ref working properly it is just the motor you hear

May 22, 2012 | Beko Refrigerators

1 Answer

The humming noise from my hitachi 42hds69 television seems to have gotten a little louder. This humming sound is more prevelant on various stations. The humming sound seems to be normal/better on dark...


usually it means your screen is going bad unless it is a fan or some mechanical part thats humming if it comes from the screen itself the screen panel going bad.now you can check cables and eveything else for this a signal loss type of short but if you have allready checked all cables or recievers or connected devices for this then its a simple main panel humm means a bad screen panel sorry to say but i hope this helps..

Jun 24, 2009 | Hitachi 42HDS69 42 in. Plasma Television

1 Answer

Boiling waer under micro wave lots of steam into micro wave, turn on micro wave ,pop noise like glass miro wave comes on louder hum than normal no heat


Q - The microwave display counts down and the inside light is on,  but nothing is heating and the fan is not running.
A - This most commonly is a bad door switch, other possible problems are a faulty relay or solder joint on the power module, but a bad door switch is most common.
 Q - My microwave is running and sounds like it is working but will not heat up anything.
A - Many thing can do this but, common things are....loose high voltage wire.....poor solder joint on board.....magnetron.....power relay.....
Q - The microwave makes a loud "hum or buzz" noise but will not heat up the food?
A - 9 times out of 10 this is usually this is a bad magnetron, the other time is sometimes a bad high voltage diode. See components section.

Mar 03, 2009 | Amana Radarange Microwave Oven

1 Answer

Tv makes a humming noise


check for bad color wheel....may sould like a grinding sound

Mar 01, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Humming noise from tv


Yes a humming noise on that model is usually related to the color wheel It will get progressively louder

Jan 17, 2009 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

Hi I bought a Panasonic 42 Inch class 720P Plasma HDTV TH-42PX80U, the picture is fine, but there is a humming sound in the background of the audio. The louder I turn the tv the louder the hum. I tried...


If turning up the audio amplifies the problem, it is in the initial stages of audio. It could very likely be outside the TV, try difference sources to troubleshoot your setup. If it hums on all inputs, the problem is before your audio switch and could be on the board with the AV jacks. Note all plasma tvs hum out of the back of the tv (ie power board, y-sus, z-sus board and panel all make a little hum noise)

Dec 06, 2008 | Televison & Video

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Constant humming/buzzing noise


I purchased a poloroid tv 3732 in may of 2005 from circuit city, after about 14 months the set began making a clacking sound and humming sound that gets so loud it is unbareable. I have to turn the set off. I have found out I am not the only one with this problem that has a poloroid tv. I had a technician at my home that told me there is a service warranty on these sets because the wrong part was used and the part needs to be replaced.

Oct 29, 2007 | Polaroid FLM-3732 Television

1 Answer

Humming noise while recording


bad mic assy was the unit dropped ? possible bad ribbon cable or unit stored with battery still attached to unit.

Jun 14, 2006 | Sony Handycam DCR-TRV530 Digital Camcorder

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