Question about Hyundai ImageQuest HP4240 42 in. Plasma Television

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Hitachi lcd has small green line on screenHitachi lcd has small green line on screen, how do i get rid of it?

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I would have to see this to make some kind of guess of where the fault is. But, usualy these types of faults are on one of the drive boards to the screen, or a bad ribbon cable or connector, or the screen itself. The set would be serviced with board, and or parts replacement.

You will have to take the set in for service.

Jerry G.

Posted on Apr 12, 2008

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Have an Hitachi CP wx410, when black screen when turn on. Can see green tint at the side.


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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you can do follow these:
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R G B circuit transistor to be checked. This is located in the picture
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1 Answer

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1 Answer

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1 Answer

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Dave you know your stuff man !!! You helped me fix my black line fix on my LCD / Plasma and then now you helped me get rid of my green dots on my screen !! You rock . thanks a Million

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1 Answer

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You have two bad convergence integrated circuits and possibly an open resistor or two in the supply.

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1 Answer

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replace convergence amp ic
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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1 Answer

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try adjusting the green screen control. remove the front bottom panel of the tv by removing any screws holding it in place. gently pull of the front panel, there are gromets holding it in place, you will be able to gently remove the front, just make sure you get all those screws. now reove the small wodden or plastioc panel. now you will see the screen/focus assy. check to see of the screen controls are the top 3 or bottom 3. adjusted the center screen it's the green one, the other 2 are the red & blue. it is best to adjust in a dark room where the lines will show up easier. good luck

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