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High pitched noise coming from set.

My Samsung HLM5065W has a high pitched noise eminating from the set. This is independant of any channel signal or external device connected to the set. It also appears worse when first turned on. Although I haven't opened the set up yet, I suspect it may be a filament rattle on the bulb but it seems extremely high pitched and rich in harmonics compared to filament rattle I have heard before. Could it possibly be a fan or maybe the little DLP chip with the mirrors on it, which I have no idea what it is called. I cannot tell the primary frequency of the noise but it is a guess at around 7-15khz and 80-85db so it is quite evident and annoying. Thanks I have the same problem coming from my GE-TV (model: 25GT536) that was passed down to me from my friend's parents. It comes and goes, this time it seems like it's staying indefinately. It's gotten so bad that I've been getting massive headaches. And, I tracked it back to only when I'm watching tv. So...this has to be it...right?

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Hi there high pitched noise form the set indicates that one of the coils inside the set are lose this happens with age and heat the coils are made of copper and are tightly glued or soldered together and can be as small as a bit of hair of as big as a pen tip the problem is that the coil is now vibrating which is causing the high pitch sound and sound be quite easy to identify with a good ear!

sometimes these can be sorted with a quick bit of solder to hold it in place on the main bord of where the coil is, but some times there is no cure due to very small braiding of the copper wire any attempt to solder may cause damage and breakage,

You may be able to replace the coil with another one from a good components store with the same value best thing is to take out the noisy coil and take it down to be replaced

the reason it appears worse when first turn one is that the coil is cold and vibrates alot more just like when the set is warm the coil expands like most metals do which stops it vibrating so much

i hope this helps a little good luck

Posted on Feb 05, 2009

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High pitch noise is coming from Color Wheel, installed in light engine next to lamp.
Color Wheel is available in Part Store and if you familiar with TV repair, can do it yourself or ask help of TV tech to fix it.
Thanks.

Posted on Feb 05, 2009

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Posted on Jan 02, 2017

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High pitched noise coming from set.


No my freind, without being there and looking around its a guess that the noise you hear is from the switching Power supply or SMPS(switch mode power supply. it could be an indication of something to come, as a breakdown as maybe the power supply is being a little bit overloaded for some reason, or could just be a loose transformer or coil winding. Not alot to do with it unnless you locate the source. i would contact Samsung and see if there are any problems like this for this model. If they dont know then the best advice im sorry to say is live with it or call in a tech to check out the power supply or to locate the singing coil. Good Luck PS please dont forget to rate this thread.

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