Question about Polaroid 4241-TLXB 42 in. LCD Television

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No picture, good audio. Replaced motherboard...

Bought motherboard from Polaroid. This fixed the problem for approx. one week now picture gone again...black screen with good audio. Help.

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  • 6 Answers

I think I may finally have the answer for the "black screen of death" for the 42" Polaroid LCD televisions. I was having the same issue with the screen going black after a couple minutes of being on. I would shut it down then turn it back on and it would work again for 5-10 minutes. On the "power board" which is the board on top, there is a little red light that turns on when the screen would go black. above that there are 4 little switches, the lower on says BURN. I simply switched that over and the television has been working for 2 days for 8 hours + each day. Hope this help. Let me know

Posted on Aug 04, 2009

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  • gjjg Dec 28, 2010

    Do you know what the BURN switch does?

  • jd0770 Mar 07, 2011

    No, but its been 2 years and no issue.

  • garytx Jul 03, 2011

    Where's the "power board"? Inside the set?

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SOURCE: POLAROID FLAT PANEL TV PICTURES JUST GOES!!!!!!!!!

Its under warranty

Posted on Jan 24, 2009

dsacco86
  • 1077 Answers

SOURCE: no picture on the t v

The most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

Posted on Jun 28, 2009

  • 8457 Answers

SOURCE: Polaroid Flat Screen TV not working

Ur LCD inverter board is dead.Replaced this board will get ur picture back.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter card to replaced.The board shape is a long board.

Posted on Apr 06, 2010

  • 2 Answers

SOURCE: polaroid tlx-04240b loses picture

I'm very appreciate to jranada's solution, my tv gets new life.
It's very simple to fix the problem to everyone.
My tv capacitor was not the problem.
I hope this will help everybody.




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Posted on Apr 27, 2010

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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