Question about Samsung 40" 1080p 60Hz LED-LCD Smart TV UN40EH5300F

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How do I fix a thin horizontal line near the top of my smart TV?

Small thin horizontal line near top of screen. I've already done all the troubleshooting such as picture test, checked all ports and factorn reset. Line still there

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  • Samsung Master
  • 1,682 Answers

Live until more line appear as it will need a electronic board to be replaced.
Is the line black or colored ?
how thin and where on the screen?

https://www.youtube.com/watch?v=j7vl7-vZEL8
see attached video of another model for help. but the decision is yours

Posted on Mar 15, 2016

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Hi,

Hi,


The most common cause for the loss of picture is a bad Horizontal Output Transistor (HOT). but I would suggest you get a detailed estimate. I think that this would cost you about $60.

The horizontal lines means the vertical amplifier or deflection system has failed. There are over 100 components in this section and any one of them, or most of them can be at fault. However, the most common failure is the VOT or vertical output transistor (which is often buried inside a chip).

The repair will cost around $250 plus or minus.

FEW TROUBLESHOOTING STEPS YOU CAN TRY:

ONE: Do a hard reset (just to make sure there is nothing in the coding that is fowling things up). Unplug the power cord; leave it disconnected for 4 hours. That will restore everything to factory defaults when you power it back up.

TWO: Do the "whacking test" by banging your fist on a few strategic places to see if there are any cold solder joints or loose wires acting up inside the set.

If the above steps don't solve ur problem then I suggest you to go for a repair..

Goodluck..

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