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Powersupply diliver to much energie

Don't start

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You may have a bad capacitor. A bad cap will deliver higher than normal voltage, creating an automatic shut down. The problem is usually in the power supply. And in other cases in the horizontal section of the TV. But it starts with a bad cap and then in some extreme cases will take down a horizontal transistor or powerline regulator, resistors and diodes!

Posted on May 30, 2010

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Posted on Jan 02, 2017

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Does the led light bulbs put out radiations


All energy that is within the electromagnetic spectrum can be defined as radiation since it 'radiates' from a source.
I think your asking if LED light bulbs put out 'harmful' radiation and the answer would be a 'qualified' no.

The light/photons coming from LED lights sold to consumers are not harmful at all, this type of energy does not pack enough energy to penetrate the skin.

There are LEDs that put out light in the 'infra-red' which can harm the retina, or UV which could cause a 'sunburn' but these are specialized for commercial/military applications such as telecommunications or night time surveillance, bio-detection.

Most people think of radiation as something coming from a radio-active device that carries enough energy to cause genetic mutation at the molecular level in cells, which quickly results in some type of cancer.

So if this is the concern, I'm confident there is nothing to worry about.

The only other possible concern is the type of PowerSupply used that 'steps-down' the AC to a voltage the LEDs can use.

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