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42pj350 buzzes but displays no picture.

I turn the TV on and it makes a loud buzz but displays no picture on any channel, even after replacing cables and trying different power sources.

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Someone needs who knows what they are doing to open the set and first listen for where the sound is coming from---My guess is the power supply---depending on skill level there are things there a visual inspection may reveal, burnt parts and more commonly puffed up filter caps that if bad can be seen.
42pj350 buzzes but displays no picture. - 12_11_2012_2_02_34_pm.jpg12_11_2012_2_02_54_pm.jpg

Posted on Dec 11, 2012

  • Harrison Clay Dec 12, 2012

    thank you for your assistance, are you suggesting that i open the TV up with someone who has a strong knowledge ?

  • SD Tech
    SD Tech Dec 12, 2012

    thats the point exactly and if they have questions you can follow up by making a comment as you just did right here.

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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.

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SOURCE: Vizio makes loud static noise, picture goes fuzzy.

You should check your home wiring and grounding. Also be aware of anything that has recently been turned on when this happens. Anyone using a microvwave, cell phone, or other appliance that might be causing the interference.

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SOURCE: Polaroid TLU 03711C - HD LCD flatscreen TV 37

I wrote a guide on how to fix this problem. It's really easy to do and only costs £1 (about $1!). You can view, download and print the guide here - http://www.scribd.com/doc/13515584/Polaroid-TLU03711C-Replace-Capacitors-Guide

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SOURCE: Buzzing sound coming from TV

I just started having the same problem. it comes from a large capacitor changed them but the new ones still make the noise.

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SOURCE: Vizio GV42l buzzing

Vizio makes an ok LCD, but if you notice they no longer make plasma. they stopped last year. Anyways. the buzzing sound is semi serious, it sounds as though you have a capacitor leaking. It is best to get it fixed before it goes out all the way, with it buzzing it will be easier to identify. Best of luck

Posted on Sep 12, 2009

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