Question about Polaroid 4241-TLXB 42 in. LCD Television
Bought motherboard from Polaroid. This fixed the problem for approx. one week now picture gone again...black screen with good audio. Help.
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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Posted on Jan 02, 2017
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
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
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.
Posted on Apr 27, 2010
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