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I have got a polaroid flat screen tv. model no. polaroid TLU 03711C. I have had this tv for less than a year, and it is still under warranty just. however over the last 4 months or so, when i first turn the tele on it makes a high pitch buzzing sound for the first 10 minutes its on. if u turn the volume down this will not go away, but if u mute it, the sound dissapears. i was just wondering if this is a problem with the tv or something else. it has become rele annoying and has bin going on for about 4 months. it happens every time u turn the tv on without fail. thanks

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  • shadyadey Oct 16, 2008

    my tv is not a projection tv?!?!?!? it is a lcd HD flat screen. i have bin tyold by an engineer over the fone i will need a new 'main board' is this correct?

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I had the same problem - It was due to these two tiny devices called "capacitors" which had blown. I replaced them (it only cost me £1!) and was really easy.
I wrote a guide on how to change the capacitors, there are pictures an d the guide is easy to follow. You can print, download or view the guide here - http://www.scribd.com/doc/13515584/Polaroid-TLU03711C-Replace-Capacitors-Guide

Posted on Mar 22, 2009

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This is the the audio amplifier inside the tv it will need to be replaced

Posted on Oct 16, 2008

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I have 2 poloroid 37" (TLU-03711C) lcd tv's both


You seem to have a few possible problems with these TVs. I've fixed a few Polaroids and most seem to have similar problems. First off, you need to give a little bit more info about your problem.
If your TV's blue LED power light comes on, but you get no picture (a completely dark screen), this is likely a problem with your Power board. You can try looking for bad capacitors (bulging from either the top or bottom) or burn marks on the bottom of the board.
If you are tech savvy, you may want to use a multimeter and check voltages on the main transistors, but only do this if you have experience. Alternatively you could order a replacement power supply, but only do this if you are sure the power board is the only problem. ShopJimmy.com has a variety of replacement parts for a reasonable price. You should be able to find your power board for $50-$100.
If you are getting absolutely no LEDs or lights at all when its plugged in, then you might have a blown fuse. The fuse is a small red/orange cylinder. If you had a surge, you could just replace the fuse, but if it happened under normal working conditions, most likely something is causing it and would cause it again, if you replaced the fuse.
Now in addition, your video board may have been damaged by a defective power board. If you experience odd problems like a scrambling screen, freezing, or weird color changes it may indicate a problem with the video board or it may just be the unstable power being supplied from the power board.
There is also a small possibility that one or more of the your backlights are not functioning properly. This is less likely, but still a possibility. In some cases its repairable, but if it requires a replacement of the LCD panel, then it's not worth it.
Anyways, hopefully that gives you some insight in possible problems.

Nov 24, 2010 | Polaroid Televison & Video

1 Answer

Loud whistling noise coming from tv speakers


a couple of things could make the tv chassis whistle
1 coud be dry solder joint probably on power capacitors
2 IF your tv has tube the board on the back could be making the noise its to do with the yoke on the way out!

Jul 13, 2009 | Televison & Video

2 Answers

Polaroid TLU 03711C - HD LCD flatscreen TV 37


I wrote a guide on how to fix this problem. It's really easy to do and only costs £1 (about $1!). You can view, download and print the guide here - http://www.scribd.com/doc/13515584/Polaroid-TLU03711C-Replace-Capacitors-Guide

Oct 16, 2008 | Televison & Video

1 Answer

No code for v + remote for polaroid tv tlu-03711c


THE CODE FOR POLAROID TVS IS 0008 VEN USING V+ REMOTE

Apr 06, 2008 | Televison & Video

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