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My 52 inch rca rear projection tv powers on for a moment then shuts off

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It seems that your set power control chip is shorting out. this can be replaced by a repair technician. the cost should not be too much because this an easy fix. please rate this solution...thanks

Posted on Aug 30, 2008

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Try to turn off your tv for about 2-3 hours, unplug the power cable. If that doesn't work, there's a problem with the power supply chip. You may need to replace it. Better check the circuit board of the TV to identify which component is burned.

Posted on Aug 30, 2008

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The power supply seem to be faulty

Posted on Aug 30, 2008

  • Legin Varghese
    Legin Varghese Aug 30, 2008

    On the collector if Q416, there's a capacitor
    That is the snubber capacitor
    You have to increase the value of the snubber capacitor in 20%.
    This is a test to see if the problem in the X-ray circuit or in the capacitor, itself.
    If you are not a TV tech, ask a tech to do such a test for you.
    This device has dangerous HV inside

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1 Answer

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