Question about Sanyo DP42746 42 in. Plasma Television

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Red line running through tv screen when tv is on

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  • chadeosgurl1 Jan 09, 2009

    i have a few black lines in the middle of my scrren on a 42" plasma is there any solution for the discolorment

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I had the same with my SANYO 42 inch plasma DP42746 with red lines that were blinking and looked something like an EKG monitor. I had sound for awhile but without the picture, it is hard to determine if I had inadvertantly muted the system. WE had this SANYO for 39 months and it worked fine until them. Does it sound like drivers.

Posted on Mar 18, 2010

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The individual dots (pixels) that make up the picture are controlled by vertical and horizontal drivers that are rapidly switched off and on. They are arranged as columns and rows with these further controlled in time in a synchronized fashion. The line is being caused by a driver that is failing.
Depending on the degree of integration, these final integrated circuits may be part of the display and not individually replaceable by hand. You may only have the option of replacing the screen with the failed part. 
It will be necessary to contact Sanyo (who may not have manufactured the set) to find whether the repair is cost effective. 

Posted on Oct 01, 2008

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