Question about Hyundai ImageQuest HP4240 42 in. Plasma Television
There are black lines running down my Hitachi plasma screen but they come and go.
Black thick line down my hitachi 42 in plasma tv
Posted on Oct 23, 2010
The matrix controler or the matrix drive area is failing. The fix is to change the proper circuit boards, and then do the factory setup to match the board is necessary. In the worse case, it may be the display screen itself that has a failure occuring.
You will have to bring the set for factory service to have the work done. If the set is out of warranty, it may be expensive to service.
Posted on Apr 12, 2008
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Posted on Jan 02, 2017
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
not sure if this is the fix or not ...but i was tryin to fix a problem with my tv(not the same as yours)...but in the menu under adanced you can split the screen ....when i do that it puts a blue line down the middle of the screen
Posted on Dec 04, 2008
The tv is shot. This occurs when pixels on the top row of the screen break, which blocks current from moving through the rest of the pixels in that column. But don't worry this problem is common and is covered in your tv's warranty.
Posted on Jan 05, 2009
could be a connection give it a tap on the top of were it is not too hard to damage it but if it goes away then it will be a bad connection on that quad but if it doesnt it will prob be the panel whic is dear as poisen for hitachi so if you can handle it keep it or sell it on ebay people like to buy for parts
Posted on Apr 27, 2010
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