Question about Sharp Aquos LC-32GD4U 32 in. LCD HDTV

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The tv turns on and before the picture comes on the tv powers its self off

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This could be anything but probably it is the HV backlight circuit. If the power supply had a problem it wouldn't turn on at all and ditto for the control board. There is a delay before the backlight circuit engages so I would say that you need a new inverter board. Less than $100 fix. If you feel up to it let me know and I will try to walk you through it.
hardrocko

Posted on Feb 01, 2010

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