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Horizontal lines across screen of sony KDL-46BX450

Horizontal lines appear across the screen of tv. the lines jump slightly and create shadowson screen. want to know if it is a problem with the lcd screen of the t-con board

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Sounds like a T'Con fault itself. Re-seat all the incoming and outgoing flat cable wires to T'Con. If it do not help you, replace it with a new one of same part number. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Posted on Mar 24, 2014

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Based on the information you've provided, I suggest that you update the TV with the latest System Software and check the operation. I've provided a link with the information to download System Software Update:

http://esupport.sony.com/US/perl/news-item.pl?news_id=273&mdl=KDL52XBR6

If the issue is unresolved, please follow the additional steps given below to troubleshoot the issue:

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