Question about Samsung HCP4252W 42" Rear Projection HDTV-Ready Television

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The tv willnot power up .the light keeps flashing and huming

The TV went off while we were watching it .The sound was still on but the picture would not come on. You can turn it on with the remote control, but you have to unplug it to turn it off. The light on the front of the t.v. will keep flashing and keeps making a screeching sound.

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If you are using a cable or satellite box, the box could be bad or the video wire could be bad or loose.

Also chance of bad solder near flyback transformer .

Posted on Dec 05, 2008

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Keep it unplugged for some more time.as some of the components r getting heated up and making this problem.that has to be checked out on the main board and replaced to make it proper.

Posted on Dec 05, 2008

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Check all the wire connection to the tv.

unplug and plug the tv for an hour.

Posted on Dec 05, 2008

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1 Answer

The tv willnot power up .the light keeps flashing and huming


Check the horizontal output transistor (H.O.T.) next to the flyback transformer. If it is shorted, the switching supply won't turn on.

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The power supply or sweep power supply blew up, or the Horizontal/high voltage circuit went bad. If you have no tV repair experience, call in a pro to assist you in this repair. Good Luck

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