Question about Funai EWF2004 20" TV

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Tv high pitch

I have a EWF2004 emerson 20" flat screen tv and when I turn it on the tv makes a high pitch noise. What can be done?

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  • Guillermo Gonzalez Sep 10, 2008

    emerson ewf2004 tv doesn't turn on just at click, unplug horizontal yoke and turn on.

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Could also be a grounding issue. Check all of your grounds.

Posted on Feb 14, 2015

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I tried replacing the power supply in the set, I ordered a new one and it didn't have any positive effect. Not sure what to do next, but I will keep troubleshooting the set. I assume there is a short somewhere in the set.

Posted on Feb 12, 2015

  • Chris Baker
    Chris Baker Apr 25, 2016

    I'm back, and it turns out that the issues was with the Main Board of the tv. Bought a new one, plugged it in and the tv works like new again!

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Hi This is most likely a problem in the High Voltage section of the set, probably the High Voltage Transformer, this is something only a qualified technician should service due to the dangerous voltages and shock hazzards involved.

Posted on Apr 23, 2007

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19 or 20" Emerson TV (looks like EWF2004) about 6


The power source is forced to deliver more power than what it's rated for because the capacitors have aged and have started to lose their insulating properties so much that when heated by the normal functioning a lot of current is wasted thru them - they start to act like a short.
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After tv is on for approx 20-30 mins it starts to make a loud high pitched squeal or whine. once turned off for approx 10-15 mins can turn it back on for another 20-30 mins before squeal will return....


Sounds like a problem I had with a Polaroid t.v. Take the cover off the back and look for capactors that are buldging on the top. The top should be slightly concave. If they are convex at all, you can buy new one at Radio Shack and replace them for under $5.00

Apr 10, 2010 | Emerson EWF2004 20" TV

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I need to find a manuil on this manuil for emerson tv ewf2004 23 inch


Dear arlenejune1,

Below is the link to the official manual for Emerson EWF2004 20".

http://www.emersonaudiovideo.com/pdf/om/EWF2004.pdf

It actually seems that Emerson EWF2004 23" does not exist. If you do have this model, try working with this manual and if that does not work, I cannot do much else for you.

I hope that helps,

Tiger720

Sep 12, 2009 | Emerson EWF2004 20" TV

1 Answer

Tv. will not turn on


You might have blown an in line fuse. It would be right where the power cord hooks up to the TV. If that's the case and you replace it and it blows again call the repairman. Real good chance it just blew though. Good luck.

Feb 17, 2009 | Emerson EWF2004 20" TV

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Digital Tuner in Emerson EWF2004


Check this link for more info. You tv is not HD capable because it has an analog tuner and not a digital one.

Jan 07, 2009 | Emerson EWF2004 20" TV

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Done - channel scan put the TV back in the correct mode

Nov 18, 2008 | Emerson EWF2004 20" TV

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Staandard 20


the plyback of your tv had a problem, there's a leak that's why you heared a sound.

Oct 01, 2008 | Emerson EWF2004 20" TV

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