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Tosh widescreen ghosting vertical lines

Got vertical white ghost lines most evident against a black background on 32" crt tosh tv. Do I need an engineer to sort the convergence?

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  • amity_island Dec 17, 2007

    Thanks for getting back - the model is:Toshiba 32MW7DB 32

    The ghosting is only through the S-video in - but is the same through the back socket, and also the front socket both are classed as EXT3. Same on 3 different DVD drives. It is NOT apparent tho through the SCART connection from the digibox on EXT1. This is what makes me think its not the tube, but rather something else - perhaps the s-video processing? Thx in advance....



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There is no convergence adjust in a 32" tv. Convergence is done when there is more than 1 picture tube, ie; 50" projection sets have 3 tubes so convergence can go out. post the model number of your set and we can help more, BMW Rider

Posted on Dec 14, 2007


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My has a double picture with a red ghostly picture in the background. Any information on how to fix the problem? I have changed the cables, viewed the different colors, tv input, and looked over the menu....

It's a convergence issue. Go into the main TV menu under video settings and look for convergence. If it has an auto convergnce select that and wait a minute the TV will adjust itself and give you a clear picture.
If the TV does not have an auto convergence and just regular convergence than select this. It will give you a grid pattern on your TV and you have to move the curser (using TV remote) and adjust each "point" so that each line is perfectly white. If you notice red or blue anywhere on that "line" then you have to adjust using the up, down, left and right arrow keys to "line up the red and blue lines with the nearest white line. It taked time and patience to do, but when completed, all lines on the grid pattern should be pure white and you will have a great looking picture.
You have to do this will all TV inputs (Video1, Video2 and so on) the reason Zoom looks good, is because you never used that screen as much and so the lenses didn't have a chance to get out of synch.
RPTV's are made of the three lenses (red, Blue and Green) and as you watch TV, these lenses slowly get out of alignment. So you should do a convergence about twice a year to make sure nothing is out of whack.Please run the convergence feature on your TV. Its giving you duble image because the red, green, and blue guns are disaligned. By running convergence it will realign the guns properly. You need to run the convergence feature at leat onece a week. Please note this is only for CRT rear projection tv's and I assumed it was. If it is an LCD rear projection, then there's nothing you can do to fix such thing, but call a repair person. But if doing the convergence doesn't fix the problem, you need to call a repair person. But I hope you won't have to. Please refere to your tv's manual on how to do converegence and how to overlap the crosses because every CRT projection tv is different.
Good luck

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The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

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Problem #2
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Your set may have one or more of the following symptoms....

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You can see some more examples and find a fix herebb0cf99.png

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