Question about Hitachi 42HDS69 42 in. Plasma Television

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THIN BLACK LINE DOWN CENTER OF TV

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  • Anonymous May 25, 2009

    I have a thin black line down the middle when I first turn on the TV but it goes away in about 15 - 20 minutes after the TV warms up. What is the problem?

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How do you solve this problem of the black line down the middle of the tv?

Posted on Feb 01, 2009

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It sounds like a dead pixel. if its under warrenty you might be able to get it fixed. If you purchased a extened warrenty they'll be able to fix it no problem

Posted on Jan 26, 2009

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SOURCE: Black line down the center of screen

I had the same problem to and I fixed it.
At the bottom of the plasma there are six or seven ribbon cabbles that come out of the panel and connect to like driver boards. Each ribbon drives that section of the panel. Mine had it down the centre so I unplugged that ribbon cable and on the underside of a metal plate attached to it there are four big resistors and four small ones. The big ones labelled 100 required resoldering. Once they were resoldered it worked just fine.

Posted on Sep 24, 2008

  • 1 Answer

SOURCE: red static in black background ~ thin line running down center

Robjrpena,

Did you find a solution to your "red dot" problem? I'm having the same issue :(

Thanks John

Posted on Jun 18, 2009

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Just bought this tv new after 3 days it developed a thin black line going down the center of the screen. Can this be fixed? TV just came out of the box


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
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Red static in black background ~ thin line running down center


Robjrpena,

Did you find a solution to your "red dot" problem? I'm having the same issue :(

Thanks John

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2 Answers

Black Lines


My Hitachi TV Flat screen 42 EDT 4 1A has a one inch black line from the top to the bottom of the
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Black line down the center of screen


Usually this means pixel, but I would question if the line is mostly near right side or left side of screen? If more to one side this could be a bad board inside. for more info ctechnicians.com

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Picture


did you fix the black line? please let me know as my TV (same model) has the same problem.

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Black line in center of screen


These black lines on the plasma screens are very fixable.  There is a dry solder joint on a circuit board at the bottom of the plasma that needs resoldered.  There are 6 or 7 "ribbons" along the bottom of the screen that correspond to vertical sections of the display, so you just follow the black vertical line down to figure out which one is faulty.  I just performed this fix successfully on my first attempt on a Gateway plasma, but it will work on most plasma's, specifically Hitachi, gateway, LG, Hyundai, & Akai. I think they may all have LG boards, my gateway did.
I can't really describe very well what to do, but I assure you it is fixable.  If anyone is near nashville, I might be able to help you out.  My email is tomp2000@juno.com.
thanks,
ST

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Vertical, pencil-thin blue line appears after 10 minutes of viewing (any source)


I would suspect a connection breaking down as the set heats up. A shop will probably have to put the set in a stand to hold it while they check for loose connections or defective components inside. Not a DIY job by any means. If this line went completely through the picture either vertically or horizontally and stayed there then this would have indicated a failure in the Panel itself. A thin Line any where on the screen consisting of one pixel in width is a Panel Failure according to Hitachi.

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