Question about Hitachi 53SDX20B 53" Rear Projection Television

3 Answers

TV TURNS OFF BY ITSELF

I HAVE A HITACHI 53SDX20B THAT IS ABOUT 8 YRS OLD. IT HAS SUDDENLY STARTED TURNING ITSELF OFF AND THEN IT CANNOT BE TURNED BACK ON. IT WILL THEN COME ON BY ITSELF SEVERAL HOURS LATER. WE HAVE TRIED NEW REMOTES, WHICH HAS NOT HELPED. ANY SUGGESTIONS??
THANKS SO MUCH.

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3 Answers

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It is the protection circuit cutting in and shutting off the set. This is because it detected a short or near-short circuit somewhere within the 8 or 10 sections of the set. Most common is high voltage, deflection amplifiers and main power supply.

You must know how to troubleshoot the circuit and systems in order to repair these kinds of set. You can get lucky, sometimes, by just probing around looking for something that does not look right.

If you are an electronics technician with some good skills I can give you better advice, but if not, you are better off seeking professionial help.

Posted on Oct 08, 2008

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Its possibly a fault protection which automatically turns the set off. when this happens, try unpluging the set for a moment and plug it back in. Possibly a internal fault.

Posted on Oct 08, 2008

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Check your power supply and earthing proper in yourr home.
that is power issue .

Posted on Oct 08, 2008

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