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I have LG 50LN5600-UI. Can you help me troubleshoot a screen problem. I have video & back light. Screen has a thin black lines on it. The lines shift every 3-5 seconds which distort the picture. Troy

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Sounds like T'Con board problem. 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

Posted on Dec 11, 2016

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Posted on Jan 02, 2017

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  • 5 Answers

SOURCE: i get a thin line of distortion on my sony xbr 42in

Your format is wrong. Make sure that your tv is in full mode and your direct tv is in 1080i stretch mode. This should correct the problem. Also, WB is having problems. This is common on their channel. If it is happening on any other channel, try the above. Hope this helps. JOHN

Posted on Feb 27, 2009

  • 1 Answer

SOURCE: red static in black background ~ thin line running down center

Robjrpena,

Did you find a solution to your "red dot" problem? I'm having the same issue :(

Thanks John

Posted on Jun 18, 2009

  • 231 Answers

SOURCE: Hitachi Plasma very thin bleeding horizontal lines

very possible the YSUS board is going bad .If YSUS is going bad .I would also replace XSUS board since they are same age..Also whenYSUS is replaced make sure you make pot ajdustments as old YSUS and also with XSUS board

Posted on Aug 26, 2009

  • 1 Answer

SOURCE: SAMSUNG LE40M86BD very thin black line

I have the same problem with the same model tv, just over 2 years old, and out of warranty, you should expect more than 2 years life from a tv costing around £700, i have just had an independent inspection done confirming a manufacturing fault rather than human intervention, and clearly not fit for the purpose for which it was sold, and sent it to a large retail park outlets customer service dept, i have been assured they will look into it, my 15 year old sony 32 inch wide screen crt still performs as well as it did when i bought it, but it is the size of a small family car so not easy to lug around, i guess they just dont make em like they used to,

Posted on May 13, 2010

agibbsholden
  • 30 Answers

SOURCE: A horizontal thin black line has appeared across screen.

hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works

Posted on Oct 30, 2010

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http://electronicshelponline.blogspot.com/
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When you shine the flashlight at or near the screen and see the images, it means that the LEDS located behind the screen are not working. Since LED's don't usually blow out, it means that the LED driver circuitry located on a pc board inside the set is blown out and either needs to be repaired or just buy a new pc board from ebay such as the following:
http://www.ebay.com/itm/LG-EBT62679606-EAX64872104-1-0-Main-Board-for-50LN5600-UI-/361039485726?hash=item540fa15b1e:g:MBcAAOSwSdZWe5E0

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1 Answer

I have an LG 50LN5600-UI. The left half of my screen is now darker than the right any idea what the problem maybe?


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