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How do I get the screen to stop flickering?

The model is CLT2054. The screen starting flickering recently and I cannot get it to stop. It is like a strobe light and gives me a headache when I look at it.

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  • Sanyo Master
  • 76,237 Answers

If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
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.
Type in this key word " flickering " in the search box at the top right of the display window of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

Posted on Apr 22, 2016

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5 Suggested Answers

Anonymous

  • 1 Answer

SOURCE: sanyo lcd tv flat

I have researched this problem and it is so common we that own this piece of junk ought to form a class action suit and sue. It is caused by a bad part or bad connections to a part called a backlight inverter. It seems the LCD needs a higher voltage than supplied by the 12vdc power pack so this part re-chops the DC voltage to generate the LCD requirement.

The date of manufacture is on the back of these TVs and all the problems seem to be from those made in 2006 to 2008

Posted on May 05, 2009

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jmgldsmth

Jim Goldsmith

  • 2005 Answers

SOURCE: vizio television screen flickers like a strobe

lcd sets use florescent tubes to light the display and, a ballast to power the tubes just like the lights in an office ceiling.
the tubes are called cold cathodes and, the ballasts are called inverter boards. replace your inverter circuit board it connects by wires to the cold cathodes so; isn't hard to find.

Posted on Oct 05, 2009

SOURCE: i've got a 37

I am having the same issue, I think the best solution is to replace the inverter slave and master boards. These are the circuits that controls the backlight and causes the flickering when they are malfuctioning.

Posted on Dec 29, 2009

bammbammfran

Fran Bednar

  • 159 Answers

SOURCE: Flickering screen (likea strobe light)

Problem with flickering is in the board that is mounted to the back of the lcd screen. Part is only available in China.
Board will either need replacing or repairing (if it is repairable? Not all are)
I repair lcd monitors on ebay and just repaired one of these boards.
ebay id: bammbammfran

Posted on Mar 07, 2010

electroman

  • 1039 Answers

SOURCE: FLICKERING BACK LIGHT

Sounds like you have an LCD tv with backlight problems. Check power board for domed capacitors and replace them. next check connections on the inverter boards. they are on the sides or just one side. Becareful there is high voltage output from these boards. If the cable from inverter board is not good to the screen you can get a strobing. the inverter boards may need replaced. or cales to screen may be bad. The panel also could be bad.

Posted on Mar 25, 2010

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FLICKERING BACK LIGHT


Sounds like you have an LCD tv with backlight problems. Check power board for domed capacitors and replace them. next check connections on the inverter boards. they are on the sides or just one side. Becareful there is high voltage output from these boards. If the cable from inverter board is not good to the screen you can get a strobing. the inverter boards may need replaced. or cales to screen may be bad. The panel also could be bad.

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