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Tv don't open black screen - Televison & Video

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/

Posted on Dec 16, 2014

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Two vertical black lines on the screen of my ps50b430


Unless someone played with the TV and disconnected the plasma display from the address buffer boards that go under the screen the prospects aren't good.

All vertical lines in all plasma TVs I have seen are operated by chips embedded in the fabric of the display as well.

When they fail they'd either short or burn open.

In the first case they'd prevent the TV from coming up, in the second they'd typically manifest as either black or a random color vertical line like you have.

This is not repairable...sorry.

The odds of this being something else is fairly minimal in my opinion.

Please don't kill the messenger...

bobby @ coppelltvrepair . com

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The problem is with its main system control processor IC. You ahve to contact any experienced service tecnician to rectify this fault. It is a very skilled job.

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If the back-light is on but the screen don't have a picture the problem is on T-con board..

But if you don't have back-light your inverter board fault and need to replace it..

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