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

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Polaroid FLM-373B LOUD NOISE

There is a loud buzzing shrill noise coming from our tv, even when on mute. Unplugged everything, power souce all that was plugged in & it still makes the noise. Polaroid stated it was the POWER BOX ? $500 just for the part? We took the back off like the problem with no picture the CAPs don't look bulged. ANY IDEAS?

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  • ndafix Jan 05, 2009

    the noise on my tv is a high pitched noise that goes off in about 5-10 minutes. Do you think its the power supply or the caps?

  • stripe0112 Jan 20, 2009

    I have a similar problem. I to get the high pitched noise out of the speakers. The only thing is it's when I am using my Xbox (when I had it) or my PS3. I am using an HDMI cable for both my TV and PS3. How do I fix this and does anyone else have this problem as well?

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5 Suggested Answers

gmikulski
  • 7 Answers

SOURCE: power problem - Polaroid FLM 2601

i just repaired mine by replacing the 2 electrolitic caps that had a bulge on the top. they were 1000uf at 35 volts---works again!!!!

Posted on Feb 20, 2008

SOURCE: POLAROID FLM-2011 REMOTE CODES

My cox remote guide lists for the Polaroid TVs the following codes:
LCD TVs: 1276 and 1316
TVs: 0765, 0865, 1276, 1314, 1316, 1326, 1327, 1328, 1991, and 1992

I hope one of them works.

Posted on Oct 12, 2008

  • 1 Answer

SOURCE: 37"polaroid FLM-373B

Hey guys, I read the solution about replacing the 10v 1000muf caps in the power supply module. I was ready to throw the set out. I tore apart an old old old Jerrold 700 converter and found a couple of caps that were 1000muf. One was 26v and the other was 52v. Anyway, the set works great now and I now have a 37" LCD in my shop to watch the Leafs!!!!
Thanks for the advice.
StereoSteve.

Posted on Dec 16, 2008

  • 1 Answer

SOURCE: Polaroid Tv Repaired thank to you !!!! You are the MAN!!!

had the same situation as others, powered on blue light but nothing else, then unplug multiple times to get a picture. Finally nothing would work. Replaced the capacitors as was suggested and everything is fine. Installed Radio Shack #272-1032 1000mf 35v in place of the original 10v

Posted on Jan 26, 2009

  • 1 Answer

SOURCE: If anyone is in need of Polaroid lcd tv parts contact me

usually capacitors are the problem on the TDA03211c power supply. 450v (volts) @ 10uf. change both. beside inverter filters.

Posted on Mar 31, 2010

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Polaroid flm-373b lcd tv - making a loud buzzing noise. Picture is fine.


Possible that the main power supply unit which is the SMPS- switch mode power supply- has a faulty capacitor or in the INVERTOR board which has changed the value and so the frequency being changed can cause higher huming level- reduced to lower frequency.
so check the board for leaks , if so replace. Also check if the threshold voltages are below level in these circuits. if so the capacitor can be identified. If there is change after the component heats then simulate the circuit board and confirm using a hair dryer.

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2 Answers

Tv makes a loud buzzing sound


This sound could be a component on the circuit board coming loose and vibrating. Usually, this is an electrolytic capacitor. It could be some dust or foreign object has gotten close to the power supply and is causing a slight current leakage. You should have it checked out. If you get in there yourself, make sure you unplug the unit first. On the older tube tv's this sound would have been high voltage leaking from the anode wire.


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I have a Polaroid FLM-373B flat panel HDTV that buzzes when it is turned on. You still get sound from the selected channel but there is a background buzz even when muted and in all connections. Especially...


You have a faulty power supply. Check that the power supply capacitors are not bulging at their tops, or a brown liquid hasnt leaked out the tops of any of them either.If so, replace the faulty capacitors..Second option is to buy a power supply online

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Noise coming from power supply


When we turn our TV the humming and buzzing begins! We cn mute it and it goes away and then it when we turn the sound back on the sound is back! How can we fix this?

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1 Answer

BUZZING NOISE POLAROID 37IN. FLM-373B


It is better you return it is still under manufacturers warranty. Anything you may do to the HDTV may void it's warranty. I work at an authorized service center and have seen too many times when people think they can fix something themselves and end up with a voided warranty. You really should take it in or have a authorized service center come to your home and check it out for you. In home service is offered by manufacturers and is normally covered by the warranty.

Anything you may be able to do to get it working this time will most likely happen again since it has happened before. Getting it serviced by an authorized service center may fix the problem permanently.

This may not be the answer you are looking for, but it is the smartest thing you can do. A little hassle now getting it fixed properly will probably save you money and more of a hassle in the future.

Hope this may help;

Regards,
VOTIT


DON'T FORGET TO RATE:

Aug 10, 2008 | Polaroid FLM-3734B 37 in. LCD HDTV

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