Sharp Aquos LC-37GD6U 37 in. LCD HDTV Logo
Posted on Jun 30, 2011
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TURN TV ON JUST PLAIN SCREEN (NO IMAGE), THEN HEAR A CLICK & TV TURNS ITSELF OFF- THEN ON AGAIN... CHANGED BATTERIES IN REMOTE & TRIED TO TURN TV ON DIRECTLY FROM TOP... NOTHING WORK. THIS IS A SHARP AQUOS LC-37GB5U THANKS FOR ANY HELP. MCB

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  • Sharp Master 778 Answers
  • Posted on Jun 30, 2011
CoppellTVRepair.com
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Do you see the backlight ever coming to the screen?

You will want to open the cover, disconnect the backlight inverter and try again to see if it will stay on even without an image.

If it does it's the inverter.

if it still shuts it's most likely (not guaranteed) either the power board itself or the main board.

A good tech should be able to test the power board independantly fairly quickly.

  • Russell Frey
    Russell Frey Aug 19, 2015

    I have the same problem. When I go turn tv on the backlight looks to come on but no image/channel label/menu/volume show then it turns off with power light going from green to a red then off. Then tv turns on again then off again on its own and then it finally stays off unless I press power button on remote/tv and then it just does what I mentioned above as in repeats itself.

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