Question about Insignia Televison & Video

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Hi, I have an Insignia 50 in plasma television that all of a sudden went to nothing but vertical lines, then popped a cuople of times and went black. Sound is still ok.Enybody have an answer for me as to what went wrong.

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This is a buffer issue.

do the line go through the menu if you display the menu when the lines are visible?

do the lines go from the top to the bottom of the screen or stop halfway there?

do the lines change colors?

if the lines go over the menu and all the way down to the bottom of the screen, then its a buffer issue, top and bottom buffer.

hopefully it's just halfway then you only have to replace the top buffer, less money to spend.

Posted on Nov 24, 2013

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Posted on Jan 02, 2017

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SOURCE: Toshiba 50HP95 50 in. Plasma TV Has A Black Vertical Line!

either the address buffer or the panel has gone bad..a technician would be needed to determine which one..

Posted on Nov 28, 2007

  • 18 Answers

SOURCE: Parallel vertical lines through left side of Panasonic Plasma tv

This sounds like one of the driver boards at the bottom or top of the screen has an intermittent fault. The set will have to be taken in to a service centre.

Posted on May 31, 2008

SOURCE: No picture, sound ok

I have a similar issue. Sometimes the entire screen goes black and sometimes only one-half - either the top or bottom half goes black. The only solution we have found is to gently tap the TV (usually the front side) and the picture will come back for awhile. It almost seems heat related as it only goes out after the first 10 minutes of use. There must be a fix to this.

Posted on Sep 28, 2008

  • 1 Answer

SOURCE: LG 50PX4DR plasma tv

I had the same exact problem as posted above. My 50" LG plasma was out of warranty for 1 year! I called the LG executive call center, and they were very helpful. They offered to pay for the parts and labor. They recommended a few local repair shops, and they set everything up for me. The tech came out within 4 days with one part. The tech had to come out one more time the following week, since more parts were needed for the repair. The Y sustain board, along with 2 adjacent parts that are required to be replaced as a set, and the power supply had to be replaced (parts alone cost just over $900). TV is like new again; I'm very happy with how LG handled it, and made what could have been a bad experience a good one.

Posted on Apr 30, 2009

  • 380 Answers

SOURCE: solid black vertical line

You could have one of three problems. One is really expensive to fix and you might want to trash the set. Thats if the panel is bad. Secondly, it could be a buffer board that went bad. Not as expensive as the panel. Finally, it could be the connection between the two. I would first take the back off and locate this board. Undo the ribbon cable2_bing.gif and clean it off a bit and put it back. If its still there, you have a deeper problem.

The buffer boards are located across the bottow when you take the back off. About 3 inches wide. Sometimes they are on the top as well.

Posted on Dec 06, 2009

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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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IF YOU HAVE A SOLID BLACK LINE RUNNING VERTICALLY THEN YOU HAVE A FAULTY MATRIX INVERTER. IF CENTRAL THE MAIN VERTICAL INVERTER NEEDS CHANGED. LEFT = LEFT VERTICAL INVERTER RIGHT=RIGHT.........

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