Question about Samsung DynaFlat TX-P2775H 27" TV

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Noise Issues with Samsung Dynaflat TX-P3264H

I have a high pitched noise coming from my TV after about 3 hours of use. If I turn it off for 8 or more hours I can use it again for 3 hours. The noise is not coming from the speakers as I have plugged in headphones and muted the speakers. The noise is located at the back of the TV. I have found no useful tips online as this model doesn't seem to exist and yes I have the 32 inch model which is the standard screen version and not the 16:9. Please help if you know what this may be.

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Re: Noise Issues with Samsung Dynaflat TX-P3264H

Yes ur right that is a flyback that is leaking! it produces a high pitch sound. well if u want to be sure that ur part is genuine. go to the manufacturing authorized service center. for sure they have available part. try also to look into the horizontal cuircuit. there might be something else that was damaged. probably the horizontal output transistor. gud luck

Posted on Jan 20, 2007

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I have a samsung neo 32 inch picture tube tv. When I turn it on there is no picture or sound, but there is a light high pitched noise.

That high pitched sound is likely the Horizontal Output section trying to work. It operates at 15,750 Hz or at the upper end of normal human ears.
It will sound like a high pitched whine.

This is a section or your television that you don't want to fool with unless you are quite familiar with servicing your set. There are very high voltages involved and only a qualified technician should tend to this defect. It maybe easy to fix or it may be quite involved. Get an estimate first then decide to go further or not. There is a potential fire hazard here so don't operate your set until this is resolved.


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2 Answers

High pitch noise from the flyback

You can tell to some extent what it may be by listening carefully and trying to identify the location. If you, remove the back cover of the set; stay away from danger, just listen to where it seems like the sound is coming from. If it is coming from inside the high voltage cage it is the flyback. If coming from around the main power transformer it is one of the power supply parts.

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Samsung TX-P2670WH 26" tv squealing

hi there, you do have a problem at the hozintal section, check the FBT and some parts at the horizontal section and at the power supply section. ty

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Samsung DynaFlat TX-P2775H 27

If it's not yet a year old it should have some warranty - take it to the shop.. It's probably the HOT (Horizontal Output Transistor) which have been a problem child in this series all the way back to the TXP2745... But don't even crack the case on this one if it's that new - labor might not be covered but parts might. In any event replacing the HOT is not a difficult or expensive job.

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get it looked at mine was doing the samething until eventually it never turned back on...

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According to the Samsung website: "The high pitched sound you hear is probably coming from the flyback transformer. The flyback transformer converts the relatively low voltage electricity that comes from the outlet in your home to the high voltage electricity needed to drive the cathode ray tube in your TV. It is not unusual for a flyback transformer to buzz softly when it operates. However, if the sound is loud and high pitched, it probably means the transformer is failing. To eliminate the sound, you will have to get your TV serviced."

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what you are hearing is the mechanical vibrating of coils & or transformers in the tv. 1st and easyest is to hot glue the parts that is making the noise down. if that does not work, removing & reinstalling the part is next. the last is replacement. the most likely parts causing is the 1. horizontal linearity coil, 2. the run or switch mode transformer, or 3. the flyback transformer. good luck.

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