Question about Emerson EWF2704 TV

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Emerson EWF2704 problem

When I turn my TV on, the picture looks as if it has compressed into about the center 1/8th of the screen, with a solid white line on the top of the "compressed" picture. The rest of the screen is black. I have soldering expertise with small electronics but not much knowledge of TV inner workings, so if I needed to replace/resolder a resistor or chip that wouldn't be an issue. What's wrong with my TV?

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Re: Emerson EWF2704 problem

Look for vertical output LA7804 7-PIN IC near right rear of set on heatsink. Look for bad solder joints in that area also.

Posted on Sep 22, 2007

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Emerson -modle ewf2704 . tv went out no picture no sound wont turn on but when pluged in you hear a buzzing sound

My 55" LG did the same thing. Had to have tech come to my house and replace board. It is a factory defect in alot of LG TV not sure about Emerson

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I can't find a code for my rca universal remote model rcu600m to operate my emerson tv model ewf2704

alright, turns out there is no code for the emerson ewf2704 on this particular remote. i returned it and shelled out five bucks for a different rca universal remote. i ran an auto code search, found the code easily, and i am having no problems.

Aug 14, 2009 | Emerson EWF2704 TV

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The picture is to bright

problem in high voltage area, consult an expert

Jun 02, 2009 | Emerson EWF2704 TV

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Tv picture

The adjustment is done by opening the TV back cover, the part that looks like a cone(YOKE) that is mounted at the back of the picture tube needs to be slightly rotate it. To do this you will need to loose the screw that is holding that part and rotate it left or right.
Before doing this, unplug the TV from the main AC power.
Hope this helps.

Apr 25, 2008 | Emerson EWF2704 TV

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TV Powered Off, won't come back on

mine did the same thing, I took it to a TV repair store and they said it was a power surge which damaged the power source board. (possibly caused by lightening)
total cost to repair was $70.00 well worth since was only couple years old.
TV is working well.------we'll see for how long????

Jan 06, 2008 | Emerson EWF2704 TV

1 Answer

Input select function... without a remote?

Whew! Found the NE116UD replacement for the EWF2704 Emerson TV (there are other models on the list as well), it can be ordered here for 24.95:

Hope that helps. This problem is certainly very irritating. I have never heard of a remote for 24.95, nice job Emerson -- never again!

Nov 12, 2007 | Emerson EWF2704 TV

2 Answers

Emerson tv model no. ewf2704

Hi: When you say small horizontal screen, ¿Do you mean picture does not fill the screen completely from top to button? ¿Do images display normally though they are smaller in size? ¿Is color and definition of signal OK? Please answer so I can have a better picture of the problem.

Sep 19, 2007 | Emerson EWF2704 TV

1 Answer

Sound but no picture.

The problem with your television appears to be in the high voltage power supply .  This power supply supports the high voltage on the anode of the picture tube, and the voltages for the picture tube, and other parts of the TV. If you do not have a background in electronics, might I suggest that you have a TV technician to come to your location and work on the TV.


I hope this provides some help

Thank you


May 24, 2007 | Emerson EWF2704 TV

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