Question about Polaroid FLM-3734B 37 in. LCD HDTV

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Polaroid 37 LCD

I replaced the power supply fuses that everyone was saying were blowing out, but i still get a light blue screen. Every seems to work but when you plug in the signal the picture looks like your looking through the Movie Predators Eyes. Everything looks infared or something. Plz help. dont want to waste 1200 bucks.

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  • alkalinetri3 Nov 11, 2008

    I came across your post about the trouble you were having with your Polaroid TV and was wondering how you fixed it. I have a Polaroid FLM4234BH with the same type of picture you were describing.


  • moneythomas Dec 05, 2008

    Where is the power supply fuses located? Also where do I get them and at what cost?

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Yours is a relatively simple fix, its the video or lcd contrrol board going out its only about 20.00 and easy to replace.

Posted on Jul 01, 2008

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Power supply board is not working. There is usually a fuse on the board that you can change, but you need to know what caused the fuse to blow in the first place. There are many places online that sell replacement boards. It's not difficult to open the back of the TV to get at the boards.

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The power supply board was having problems before.That the board,where the power a/c cord plug into it Now might also the Tuner board are dead too.The tv Tuner board,that the board where the tv broscast signal cable plug into it.That the Tuner board.Tries Websites like shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement to see if solved the problem,not probally will have to buy the refurbish Tuner board for the replacement too.

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There is a post by Stivo on this board that has helped many fix this type of problem. There are two capacitors on the power supply board that go bad and if replaced can fix this problem . The parts can be purchased at your local Radio Shack for about five dollars or less. I just did it today and it worked!!!

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When I push power, the blue power light comes on but the screen never does. I had success yesterday by unplugging the main power, plugging it back in and then it would turn on. That trick is not working...


tim578, Unit's main power supply needs inspection and repair. Check for videos that deal with DIY repair of your FLM-3734b on youtube. May need to replace BAD (failed) electrolytic filter capacitors, and other components on unit's multiple dc voltage output "switch-mode-power-supply" board. You're going to need a lot of luck getting this one fixed!! You will need to do a lot of surfing to understand the polaroid problem!!
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1 Answer

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hello, your tv has a power supply problem, you need to call the repaiman, your are looking at $225.00 to $250.00 for this repair good luck

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this might help

http://www.fixya.com/support/r741402-polaroid_flm_373b_lcd_tv_black_screen

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1 Answer

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These Polaroid LCD sets all fail like this. Bad power supplies. Call the warranty number and demand to have the main module replaced even if it is out of warranty.

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If you have no power light at all on the front of your tv. Check the fuse by the power coard.

If you have a red light only and have the dark power board with black heat sinks. check the fuse in the center of the power board.

if the light turns blue when you hit the power button but no picture and have the dark power board replace the 2- 1000 mfd 10 volts caps with 2- 1000 mfd 16 volt caps at 105 deg.

need more help let me know

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