Question about Emerson EWF2004 20" TV

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Buzzing from inside when off.

Emerson EWF2004 TV, and when its off it makes a buzzing sound from inside, when on it makes no buzzing. what is this comming from and is it safe to use please help.

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Hi!if your t.v is always on stand by power mode and there is a buzzing sound the problem is in power supply section,you need to check for weak capacitors.

Posted on Sep 08, 2009

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Emerson EWF2004 has a horizontal line in the middle of screen some color can be seen the rest is black. I disconnected cable, unplugged tv line remains how can I fix it?


This sounds like an analog TV. If so, the vertical oscillator or vertical drive output needs to be fixed. You will need a schematic to do the job.

Feb 25, 2015 | Emerson EWF2004 20" TV

1 Answer

Emerson tv problems


If you are using a cable or satelite box, the problem could be from mismatch of the volume level between the TV & the source. This is solved by properly adjusting the 2 volume levels to eliminate the buzz.

The issue could also be either your speakers or Input/Output PCB.

Also be sure it is coming from the speakers.There have been some issues of buzzing caused by vibrating transformers on circuit boards,

Jul 24, 2014 | Emerson LC320EMXF 32 in. LCD TV

2 Answers

I have a proscan 42LA45H 42 in television that has started making a buzzing noise from the back. What is causing this, and what do I need to do to fix.


Hi
If picture and sound is Ok, and only this buzzing sound is heard from the back of the TV, It should be due to core soose of some ferrite cored transformers inside, especially to the power supply regulator board of the TV. Open the back cover of the TV and swtich it ON. Listeen very carefully which transfromer makes the buzzing noise. Just trouch and press the core of the transformer suspected with some non-cunductive material like glass rod, or a stick of dry wood. You can identify the transformer that makes noise by this way. After identifying the exact transformer; switch OFF the set, unplug it from mains socket, apply some "Super Glue" like fast boanding glue to the joint of core of that transformer. Allow sometime for the glue to set. This will solve the buzzing sound problem of your TV. OK

Jul 13, 2011 | Proscan 42LA45H 42 in. LCD TV

2 Answers

How to connect a DVD player and watch a movie on a EWF2004 ?


on the front and on the back of the TV it has a set of tulip jacks a yellow one for
video and either a white or red one for audio. Take a set of RCA cables and hook them
from the DVD to the TV via the colors yellow for video red/white for sound. For this TV
I believe you will need to go throught the channels until you find composite/AUX1 or composite/AUX2 which the DVD will be assigned to. If the DVD player is on and functioning you should get a picture. If you dont get a picture and you get fuzz and buzzing on these channels you have the video and sound reversed. Some models may have a source button on the front of the TV or on the remote. If this is the case use the source button to get to the Composite/AUX channel.

May 06, 2011 | Emerson EWF2004 20" TV

1 Answer

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

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

1 Answer

37inch Vizio TV making buzzing sound from back


my tv is new too and also makes a buzzing sound and i turned the DCR off and it worked to thanks for the help!!

Jan 03, 2009 | Vizio L37 Television

1 Answer

Quasar 1989 tv makes a buzzing motor sound


Hi and welcome to FixYa,

Initially, if you have confirmed that the source of the buzzing sound is from inside the TV, then that would indicate a component about to fail or would need attention. Let us try process of elimination:
  • tuner - most unlikely, the tuner is responsible for selecting the channel. No component/part of the tuner could make such a mechanical buzzing sound;
  • speaker(s) - most unlikely, the speaker could have a buzz but generally would not affect the video nor cause snow (weak TV signals);
  • transformer - a strong possibility although without knowing the exact model, at most generic ideas; power transformer, flyback transformer, horizontal drive transformer (unlikely);
  • arcing - another strong possibility. This could be caused by damp, dusty surroundings of the components especially at the FBT area. Another area that could have adverse effect when dusty/damp would be the anode cap.
This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Nov 26, 2008 | Televison & Video

1 Answer

Problems with Emerson EWF2004 20" TV


I TRUN THE TV1.gif ON NO SOUND I PULL UP MENU AND THERE IS NO SOUND PLACE IN THE MUEN WHAT CAN I DO TO GET SOUND.

Feb 29, 2008 | Emerson EWF2004 20" TV

1 Answer

Buzzing after 1 hour


Is the buzzing coming from the back of the TV, staying loud even when the volume is turned all the way down, or is it coming from the speakers?

Sep 04, 2007 | Mitsubishi CK-35306* TV

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