Question about Emerson EWF2704 TV

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Tv picture I have an emerson flat tube tv and the picture is slanted in the tube since I moved it. Is there an adjustment to rotate the picture on screen a little?

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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.

Posted on Apr 25, 2008

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Fix slanted side of screen on Sony vaio


Hi Linda

You must be old enough to remember the old way of setting up screens. That was when they were CRT's (Cathode Ray Tube).
The large picture tube used to use Deflection Coils on the neck of the picture tube (magnetic coils) therefore requiring adjustments to the alignment of the screen (by adjusting magnetic signal from coils) Hard to Explain any further.....
Cathode ray tube

So.... Modern devices that use LCD or LED or Plasma Displays.
These are all modern Digital devices that do not have any adjustments to be made. Basically it is all coming directly from the Video Memory to the pixels in the screen.
All computer controlled......Ones & Zeroe's 1 - 0

So..... where is the problem?
Probably a loose or broken cable between the video memory and the display. Usually carried over a thin flexible flat copper connector which goes between the gap between the computer and the moveable screen.
When you open your laptop screen & close it... it can eventually crack this cable & therefore some screen dots (pixels) are missing.

To determine location of break. Carefully watch the monitor LCD screen as you open and close to see if it glitches or fixes the problem. Probably someone will have to replace this or some other cable inside.
How to repair Flex cable Flexible PCB type flat copper ribbon cable

Hope this Helps
Please give me a tick? or "Thanks" if this enlightens you!
Cheers
.......Trevor

Sep 20, 2015 | Sony VAIO Computers & Internet

1 Answer

The picture slants from left to right the top has a down slant and the bottom has a up slant not bad but enough to see it


All projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 08, 2011 | Philips 60PP9363 60" Rear Projection...

1 Answer

The picture is on a slant. I haven't got a manual as it was second hand. I have the remote but I cant work out how to change the picture settings


It is possible that in the menus there is a setup that has picture rotation. But for this model, I believe there is no rotation option. You will have to go through the menus to see if it is there. I would start in the video, or the picture setup menus. Press menu on the remote to go in to the menu. Use the arrow buttons to move through the menus.
If there is no rotation option, this means the deflection yoke has been turned or was never strait from the manufacture. Yoke rotation is not something I would advise for you do yourself. If you rotate the yoke, there is the possibility the set will require a complete re-convergence and purity setup. You will have to have the training, and the required pattern generator to perform these adjustments.
You could call an experienced TV service man, especially someone who has a lot of experience working on Sony. This type of tech should know what to do to fix your problem.

Jerry G.

Nov 14, 2009 | Philips 28PW8608 28" TV

1 Answer

Tilted picture


You must be placing the TV near something Magnetic, Speakers, etc. This would account for the green in the corners. The tilted picture is most likely the yoke in the set has moved during rough handling. The first issue can be fixed with a degausssing coil, the second requires a technician to manually realign the yoke assebly and perform a convergence on the set.

Apr 20, 2009 | RCA TruFlat 27F520T 27" TV

1 Answer

Rca 62" PROJECTION FLATSCREEN - COLOR PROBLEM/FLICKERING SCREEN


Sounds like the red picture tube could be shorting internally which would cause the "all red" condition. In which case you'd have to replace the red tube. Are there horizontal (slightly slanted) lines through the picture as well when this is happening and a very very bright screen? If so it's most likely the tube.

Oct 06, 2008 | RCA F36645 TV

1 Answer

I'm having a problem with the picture tube on my 51 inch sony rear projection TV, 3 years old. All of a sudden the display that reads "Video 1" or "Video 2" is slanted and so is the...


It is very common to have the convergance circuit on these sets go out and cause display distortions. Are the colors separated or is just the picture slanted?

Dec 31, 2007 | Televison & Video

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

Shuttle83

May 24, 2007 | Emerson EWF2704 TV

1 Answer

The picture Is SLANTED / ROTATED off center!!


Some sets have a coil in front of the deflection yoke to compensate for the Earth's magnetic field and on the back panel there is a slide switch that could have been pushed to the wrong position. Since this is a SONY I'm not sure it has this circuit. It is however worth checking out. I hope this will help you. Stargazer

Jan 07, 2007 | Sony KV-32S26 32" TV

1 Answer

Slanted picture!!


This problem might be caused by an external magnetic field. Most modern Sony tv sets have a picture rotation control. Go to the setup menu and select Picture Rotation. Your user guide will explain.

Dec 23, 2006 | Sony KV-32S26 32" TV

1 Answer

Slanted picture


Your deflection yoke (a coil around the neck of the picture tube) must have gotten turned. Your can turn the picture upside down by rotating this coil. If your set is in warranty, you should return it. When this "yoke" is adjusted the color is affected too. If you try this yourself you'd void the warranty and mess up your color. Stargazer

Nov 05, 2006 | Philips Magnavox 20MT133S 20" TV

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