Question about Akai PDP4294 42 in. EDTV-Ready Plasma Television

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White line I've had this plasma for just over two years, and than a white horizontal line appeared just above center. It even appears w/ no signal, only it is not white when the blue screen is on. Other wise the TV works and sounds fine. Any suggestions?

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  • Anonymous Mar 31, 2014

    white horizontal line

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There are individual drivers for each line of plasma cells in the display (horz. & vert.), but they usually are an integral part of the display module that can only be repaired by the manufacturer. A new 42" HD-ready set with more features can be bought for 50-75% of what was likely paid for this one. The cheapest thing to do is learn to live with it. (That's what I'd do until the set got worse or the prices got even lower.)

Posted on Apr 10, 2007

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I have a PDP43X40523 LG PLASMA and when it heats up i get half of the screen with white lines then switches over to a solid half black screen. any suggestions? i'de like to fixit my self it i can.

Posted on Aug 30, 2011

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Posted on Jan 02, 2017

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A small horizontal line going across the bottom.Now a horizontal shadow appeared above the line.Each day a new shadow appears & lighter then the rest.Now a thick box of silver/purple lines at bottom.


Seems like back-light fault. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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Fix Panasonic Plasma TV Vertical or Horizontal Bars ...

? 10:21
https://www.youtube.com/watch?v=CpWZTnAXbLg
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This video covers how to fix a Panasonic 42" Plasma TV model TH-42PX600U that has vertical distorted ...

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White horizontal dashed lines appear and at top of tv screen


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

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1 Answer

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If the line is horizontal then it could be a y-drive panel ( depending on from ctr where it is ) whether it is the upper or lower board. Time to let a service company look at it, don't wait, more damage is possible the longer you play it.If it goes vertical ( up & down ) then it could be one of two buffer boards.

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First you want to determine if the issue affects the tv's menu if it does you are looking at a Light Engine issue which is expensive if it does not interfere with the On Screen Display the issue is with your signal board, also check to see if this happens on multiple inputs with multiple signal sources if it doesn't you just might want to use a different input which is a way cheaper solution

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White Lines on the Printed Page ID:193 null.gif null.gif null.gif
Clean the print nozzles as follows:
  1. Go to Start, Programs, Lexmark, Lexmark Solution Center (or Lexmark Control Program) and select the Cartridges tab.
  2. Select Cartridge Nozzles (or Clean Print Nozzles).
  3. Check the diagonal lines above and below the solid horizontal lines. The diagonal lines should be continuously solid from left to right, with no gaps.
  4. If there are gaps at the top that diminish at the bottom, run the Clean Print Nozzle page a few more times. If the gaps are gone, the Clean Print Nozzle page has probably resolved the problem.
  5. If the gaps still exist, you should unblock ("wick") the cartridges. See How to Unblock/Wick the Cartridge Nozzles.
    For additional help, refer to the following article: How to Clean the Maintenance Station .

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