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

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Fix Only Worked i week

My 18 mos. old 37" flat screen from Polaroid would not turn on other than a blue light. I read of a fix on this site by stiv0, tried it and it worked! But tonight (1 wk later0 it totally shut off. There is no red or blue light and my cable box is still on, but not the TV..Any suggestions greatly appreciated. Maybe there is something else we can check out and replace? I am so disgusted I don't know what else to do. Thanks in advance, Carol in TN

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  • 4 more comments 
  • Anonymous Jan 21, 2009

    light comes on but tv does not

  • minner81082 Jan 22, 2009

    I bought a 37" Polaroid Flat Screen Television on January 07 and now Jan of 09 it is failing to come on. All I have is a blue light with a black screen. Any help is appreciated.

  • sofinesuggar Jan 30, 2009

    why is eveyone having the same problem with just the polariod tv 373B. iam having the same problem maybe we do need to get a class actionsuit against these people this is crazy my tv is not quit 2 years old and the blue light comes on but know picture and to turn it off i have to unplug it.

  • DLBernstein Mar 01, 2009

    My tv does sort of the same thing. Was working fine until we returned from vacation. We know the power went out in our neighborhood once while we were gone - nothing else happened. The power button doesn't work and we have to unplug the tv to have it turn off. The rest of the time the blue light flashes with barely any sound, but some channel sounds and more static than any other sound. No picture. The tv is just a couple of years old.

  • plotru Mar 14, 2009

    computer hooked up then lost signal shut light is on power will not turn on.

  • mg46750 Mar 16, 2009

    37" HDTV LCD Polaroid FLM3738 2 years old. Occasionally the blue light would turn and the picture would come on with no sound. There would be a static sounding popping noise so you knew when it was going to happen. The last month the blue light turns on, no picture and it will not turn off either by the remote or from the power button on the side of the TV. I have to turn the power bar off and reset. Tonight I had the feed back static noise another writer described and after that no picture at all. This is very discouraging to hear all of these complaints. I believe we have a "lemon TV" situation. I am not a litigous person, but if some assistance is not provided to help correct the situation, count me in on a civil suit. I will copy this to the Better Business Bureau and the local TV station that follows up on situations such as this. Marie Gerrard Huntington, Indiana



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You may need a new power supply, I would check the power supply fuse where the ac plugs into the tv, you have to pry it out from behind the tv, stiv0s' fix would return 24v to the lcd backlight hence you would have sound but no picture. if the red light doesnt come on at all that would mean the 5v required for standby isnt getting to the mainboard. there is actually a fuse soldered onto the power supply right where the AC cord plugs in. if you had a meter you could check that to see if the fuse is is burnt out.

Posted on Oct 09, 2008

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Hello caroltiki,

If I may ask what was the fix suggested to you? What may have happened, is something that often happens. Remember when something malfunctions, it usually does so for a reason, until that reason is exposed any repairs will be temporary. I usually tell people to have their sets checked out be a qualified TV technician which to me is the best advice. However if the person wants to do it themselves I usually offer troubleshooting help, not "shotgunning" help. Shotgunning is what caused you to seek a repair without the benefit of troubleshooting, so if you want me to help you do this yourself, I do require that you have some understanding of electronics, because I am going to have you take measurements and readings if you have the equipment to do so.

I hope this helps

Thank you,

Posted on Sep 21, 2008


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1 Answer

Black screen

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!!!

May 21, 2010 | Polaroid FLM-3734B 37 in. LCD HDTV


37" Polaroid Flat Panel with Blue light but NO PICTURE

Hey guys,

I'm still in the middle of getting capacitors so that I can try Stiv0's suggestions and I think it will work because the back of the old capacitors were swollen like the pictures shown. I had trouble finding the capacitors because the electronics stores don't want to sell customers parts because they can't charge ridiculous prices for 10 minutes of work. I ended up finding the 1000uf (microfarad) 10 volt capacitors on a website for $1 per package of 6. There is a minimum $10 purchase for delivery so I'll have 60 in a few days which isn't bad. After shipping it'll only cost $17 to fix my TV. Here is the website if you are having the same problems I am.

If radio shack or the electronics stores won't sell the capacitors to you give this a shot.

on Jan 27, 2009 | Polaroid FLM-3732 Television

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I have a Polaroid 37" LCD TV (FLM3732)

it could be 2 caps on the power board, i had the same problem and for $3.39 at Radio Shack solved it.
There is a link on hre with pictures and instructions from stiv0, that works. Of course your on your own if you try it.

Sep 30, 2009 | Polaroid FLM-3734B 37 in. LCD HDTV

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Try the following fix posted by stiv0. It worked for me.

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Try the following fix posted by stiv0. It worked for me.

Apr 14, 2009 | Polaroid FLM-3734B 37 in. LCD HDTV

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Try the following fix posted by stiv0. It worked for me. It gives detailed instructions how to replace two capacitors that commonly go bad on this TV. It's fairly easy to do and very inexpensive.

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I had the same problem. But found the fix on this website!!

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Try the following fix posted by stiv0. It worked for me.

Jul 07, 2008 | Televison & Video

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