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Proscan 40LC45S LCD flat screen TV Flickering screen problem

So my sister in law has a proscan flat screen LCD TV Model # 40LC45S. A few weeks ago there was a power serge and her tv started flickering.. I did some research but still no solid solution to this problem.. From reading up I am thinking it is either the power board or the backlight inverter. Has anyone had this problem and was able to fix it? If so can you please share how you got it fixed? Thanks in advance for any help with this problem... Below is a link to a youtube video of the problem... https://www.youtube.com/watch?v=C5vWEi4J59I

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: who makes the proscan 40lc45s tv?

http://www.oncorpus.com/Product/LCDTV/19LB30QD.htm

Posted on Jun 09, 2009

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  • 1 Answer

SOURCE: DVD Hook up to Proscan TV

if using RCA connector cables, connect the left and right audio cables to D and D1, then connect the Video cable to the video connector right above the S Video port.

Posted on Aug 12, 2009

  • 1 Answer

SOURCE: tv buzzs when power is off.

Return the production without any further delay.

Posted on Nov 16, 2009

budmrtn
  • 11361 Answers

SOURCE: We have a Proscan tv that the screen looks like a

Do not go to that TV repair place again!!! Thet are still in business.
PROSCAN WEBSITE: http://oncorpus.com/
There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Nov 19, 2009

yammy_alf
  • 666 Answers

SOURCE: RCA 37" FLAT SCREEN NON STOP FLICKERING/FLASHING SCREEN

you need to remove main ckt, (m.board) some part need to re solder specially in hot area. (lost contact i one of the flickering problem you encountered.

Posted on Mar 26, 2010

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