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Top 1/3 part of image on sharp led tv is darker than the rest.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Right 2 inches on edge of screen are darker than the rest of the screen

I have a 20 month old Samsung HLR5668WX/XAA that except for the left vertical 20% of the screen, the rest became very dark. I can make out the images behind it, but just barely. For the next few days, I turned off/on the set after a few minutes every time it happened and the picture came back to normal. Then eventually the problem became permanent. Thinking it was the lamp, I replaced it, but the problem still exists. In addition, for a few months, the set has been making an intermittent grinding noise that goes away when I turn off/on the set as above. Its frequency seems to be increasing. Does it sound like the color wheel is bad? The fan perhaps? Something much worse (crossing my fingers)? Please let me know. Thanx in advance. Tom

Posted on Jul 07, 2007

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  • 53 Answers

SOURCE: images go suddenly darker

Turn off the the OPC feature in the Menu. If that doesnt help, what youre seeing is most likely the Advanced Dynamic Contrast going to work. In layman's terms, it automatically adjusts the contrast depending on the video signal it is receiving. If you want to disable this, change the AV settings to "User" (button underneath the bottom door on the sharp remote)

Posted on Mar 14, 2008

SOURCE: Black bar top 1" screen

Dry capacitors on the vertical output

Posted on Feb 17, 2009

  • 381 Answers

SOURCE: I GET 3 TO 4

It can happen with LED lcd's but the problems you have is a faulty LCD panel.

Posted on Feb 22, 2011

gopakumarg43
  • 76060 Answers

SOURCE: panasonic 37 inch lcd tv

Check its back light CCFL lam of that side, which look darker. Replace it.

Posted on Jul 15, 2012

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LED TV model Samsung un40f500 - top 1/3 of screen darker than the rest, and seems like the whole screen lost some brightness. Could it be a bad t-con board?


Go to the menu and see if that has normal brightness, if its dark as well I would look towards power supply that feeds the LED lamps,

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MY SHARP AQUOS 70" tv STARTED HAVING DARK SHADOWS ACROS 1/2 OF THE SCREEN, THE OTHER HALF OF THE SCREEN IS FINE. DO I HAVE A hdmi INPUT PROBLEM OR IS THERE A TV DEFECT?


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.

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Panasonic 37 inch lcd tv


Check its back light CCFL lam of that side, which look darker. Replace it.

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Images go suddenly darker


Turn off the the OPC feature in the Menu. If that doesnt help, what youre seeing is most likely the Advanced Dynamic Contrast going to work. In layman's terms, it automatically adjusts the contrast depending on the video signal it is receiving. If you want to disable this, change the AV settings to "User" (button underneath the bottom door on the sharp remote)

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