Question about Pioneer SD-582HD5 58" Rear Projection HDTV-Ready Television

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Tv turn on and inmediatly turns off

Tv use to burn fuses and now that i replace them it tv turn on and off inmediatly by itself.

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The power protection circuit has shut it down by turning the power relay OFF. The problem is some section of the set is drawing too much current and the power protection circuit detects this and pulls the power relay OFF. The most common problems are with the high voltage section, deflection circuits or audio amplifier. Could, rarely, but could be the main power supply. So, you can take the chance by holding the power relay ON for long enough to see if you can get a clue as to what section is not working. For example, if you hold it on for a few seconds and don't get any raster you know there is a high voltage problem. Or, if you get a raster but the picture is messed up mabye the problem is in the deflection circuitry. Or, if there is a good picture but no audio, could be the audio amplifier, etc. Using the above procedure you may be able to get an idea of what is going on inside the set.

DON'T FORGET, before you do anything, DO A HARD RESET AND A WHACKING TEST: just disconnect the power cord for 4 hours to restore the internal soft codes to factory defaults. Bang on the set in search of a loose wire or cold solder joint!
Best Regards,
Beach TV Repair
Treasure Coast, FL

Posted on Jul 04, 2010

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