Question about Toshiba 36A43 36" TV

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No picture, buzzing sound

When I tried to turn my tv on this morning I got a slightly high pitched buzzing sound but absolutely no picture. Any advice.

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It sounds like the horizontal output transistor may be shorted....Can you feel any static charge on the face of the pix tube?

Posted on Nov 16, 2007


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Posted on Jan 02, 2017


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1 Answer

My rca tv has a distorted picture and a really high pitched buzzing sound

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1 Answer

A loud buzzing is coming from the back of my sanyo ds 25390 tv. picture and regular sound is fine

If it is a high pitched whine or buzz it is likely a transformer vibrating so hard it is making the noise.

There are ways to try to deal with this issue but the set has to be opened and probed to locate where it is coming from--

for example with back off and set on a plastic rod can be used to touch areas and exert slight pressure until the sound changes or goes away--then either replace the part or I have used hot glue etc to stop it.

You first have to locate the source of the issue:

find where it is coming from.

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1 Answer

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Power board have problems.Take the tv aparts put some super glues on all around the transformers.Will help lower the buzz alots or stop it completely.

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Sounds like a coil is vibrating or a component is bad causing the transformer to whine. Could possibly just need soldering.

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may be a problem with power supply.

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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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