Question about Zenith P42W24B 42 in. Plasma Television

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Wide screen gone wild

My TV picture is scrambled and I am told needs a main board part # 771el42ae01-04 where can I find one?

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Have you tried Google=)
http://www.vancebaldwin.com/products/?771EL42AE01-04

Posted on Apr 23, 2008

PART IS NLA. SORRY DUDE. IT'S CHINA TRASH NOW

Posted on Mar 13, 2008

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My tv model e470-a0 vizio turns off and on with the backlight and the vizio on screen logo is crystal clear on startup. No picture and sound other than some very very faint scrambled lines towards the...


T con board affects picture only. since you are having issues with both the picture and audio I would suspect the main board which deals with both.

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Signal Problem


Hi,

When the sound is working and the picture is not it indicates the main power supplies are working but the picture supply is not. The picture supply that powers the projection tubes is a high voltage generator and is very expensive to repair. Not even most tv techs now how to troubleshoot them. So, I cannot recommend you repair it yourself unless you are a trained high voltage tech.

The cost of repair - my wild guess - would be around $300. However, the real cost can only be determined by someone who can make an accurate diagnosis - which will require a hands-on approach the problem.

If you have any other problem please ask me..
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Please don't forget to rate me as fixya..

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Model pn50a550s1fxza. What is causing the tv to do this?


check the main.board n power board one of them is faulty needs replacement

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Westinghouse Flat Screen Goes Blurry/has Scrambled Picture


tried first with re seating the lvds cable in the t-con board, the t-con board is mounted covered with metal shield. if can get with fixing the cable, then your t-con board has defective component parts.

Aug 13, 2012 | Westinghouse Televison & Video

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Sylvania hdtv model lc320sl1 will turn on but does not get picture.... sound works.... various colored lines and or scrambled picture appears at best


Let me start at the beginning---Likely a bad main board in your case but nothing is sure in this type of set.

Main board controls all information to the front screen and communicates to various boards---There really is almost never a simple "that part is bad solution" as any board, the power supply, the main, etc can cause issues.

It can even be a issue with the front screen unit--called a display panel.

You might consider doing some research on the set by Google of the model number with "parts" to get an idea what is available and what potential parts cost might be.

If a main board is bad it will average from one to two hundred just for the part----if issue is the panel you are done--part if even available is more than set cost when new.

Let me know if you have questions.

Jun 03, 2012 | Televison & Video

1 Answer

7inch vertical color lines right side of screen all th time


Hi.

This website has the service manual ($7.79) with instructions to diagnose the boards. Unfortunately I am afraid that the problem is not a board but the panel itself.

Thin vertical lines in the middle of the picture mean that the panel is gone. Here an example of lines from bad panel in Toshiba LCD:Line Picture. (discussion: Avsforum). Sometimes the lines can be dark or in bright color.

The panel costs $339 (LCD PANEL ASSY).

Because of the price of the panel, the TV is not worth repairing unless under warranty.

Even if the TV is out of warranty call Toshiba and report the problem. As you can see in AVSforum page above the problem is affecting many users.

If Toshiba doesn't offer special conditions on repair (or discount on new), the TV is not worth repairing. Replacement of the digital board will hardly be a solution.

Only if you have wide bands, scrambled or flickering, then the problem is digital board (main board) or panel.If you have the thin pixel lines, then the panel is gone.

Dec 10, 2011 | Toshiba 40RF350U 40 in. LCD TV

1 Answer

The picture looks scrambled and appears to be only on the horizontal. I need a solution or at least an idea of what could be wrong and perhaps replaced.


I would guess the capacitors on the hyper module have failed. This typically can be identified by a scrambled picture when you first turn it on and after a period of time the picture begins to clear up.

The hype module is most likely right behind your hookup connections in a metal sheilded enclosure soldered to the main board. It is about 7 inches wide, and 7 inches tall.

That would be a good place to start. You would need a capacitor tester to verify if the caps have failed.

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1 Answer

Picture on screen is narrow and I cannot select normal view


use menue button on tv if this does not work change main board in tv

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Screen scrambles into various colors and freezes


TV requires main board replacement because problem seems in video processing section.
Main board is available at Shop Jimmy on reasonable price. (click shop jimmy link to see an image of main board)

Jun 02, 2009 | Westinghouse TX-47F430S 47 in. LCD TV

1 Answer

- Picture scrambled when set is


The TV has a bad board. It's called the Hyper board. It has been discontinued by Toshiba years ago so it is not an option to replace it. There are some TV repair shops that can rebuild this board by replacing most or all of the capacitors in it. You may want to call your local shop and see if they can do.

Mar 13, 2009 | Toshiba Televison & Video

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