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Question DetailsAsked on 10/9/2016

Gray transparent vertical lines on my un55es8000fxza. What could it be? Issue shows on all sources and expert mode.

I am hoping it isn't the display itself. I've tried everything but opening the TV up and pouring money into it.

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1 Answer


Such lines can be from many causes - google this search phrase for articles on this, including links to LG, Samsung, etc. - causes of gray lines on TV display

Common causes include voltage regulator issues, video card problems, main driver board problems, moisture in the TV, bad connections to the screen or bad input video connection, screen resolution or refresh rate not matched to input (usually with computer monitors but can occur with cable or DVD or similar player input), interference, and many others. Generally, this sort of issue is not something you can fix yourself unless it is due to a bad incoming video cable or connection.

There are always exceptio0ns, but normally consistent lines all across the screen are driver board or internal elecvtronics problems, not the screen itself - screen problems tend to be more local (commonly blurring or area outage) or maybe one or two lines but not consistent across the screen.

If you have spare high-grade cables around you could try changing out the cable from input device - antenna, cable box, or whatever. But you said occurs on all sources - so if you have checked several (assuming they plug in individually to the TV rather than through a common switch or router box), that might be out. If all inputs (like DVD player) come through a box, try a direct connection from one.

Also - if the gray lines are there in setup or command mode (maybe what you mean by Expert mode) it is not an input problem - is probably something in the TV.

Do unplug anything else on same circuit that could be causing interference - other devices, etc just to check.

TV Repair would be your normal source for a repairman - just be sure to keep in mind the current replacement cost for your size and class of TV so you don't spend near or more than what a new one with new warranty costs. Looks like about $700-1400 is current cost for same size and similar features, depending on which features you choose.

Answered 4 years ago by LCD

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