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I have a 46' Sony Bravia that has a thin bright pink vertical line that runs from top to bottom on bright backgrounds, but dark backgrounds it is gone and it comes and goes....
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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.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts
Mar 7, 2009 - 30 posts - 25 authors
Hi guys, Ive had this TV for about a year now - all of a sudden thin vertical lines havecovered my screen (show in link below) No matter what ...Missing: 40bx421
? 2:47
https://www.youtube.com/watch?v=b0sI7LB4cZE
Apr 25, 2014 - Uploaded by ShopJimmy.com
TV Repair help with troubleshooting lines on your TV Screen. ... hi i have a sony bravia mdel # KDL46EX523. i have horizontal multi colored lines ... My TV has the following symptoms: - Horizontal lines from top to bottom of .... thick(like 1-1/12 inch) and a couple of green vertical lines next to the black one.Missing: kdl 40bx421
This sounds like the power supply in the TV. It may be a bad capacitor or a bridge rectifier causing the problem. Get a volt meter and start making some voltage measurements. This may help find your problem.
after changing the lamp, I still had the same problem as you. I contacted sony and they offered me a brand new 40 inch bravia flat screen tv replacement...at no cost! If I chose a 46" or 55" there would be a charge between $325
The LCD Panel needs to be replaced to fix this problem. The cost of doing it out of warranty would cost as much as buying a replacement set.
I hope this helps,
Skyassoc
You'll get this abnormality some times due to the signal if you're watching regular analog picture and you have your TV set on full screen, the TV will stretch the picture and you will see more defects than if you're watching it on normal picture. But if you are seeing the same problem when watching HD picture it needs to be serviced try this link I found: http://www.moniserv.com/doc/lcdtv.html
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