Question about Sharp LC37SH20U 37 in. LCD Television
Unplug it for about an hour and try it again. If it still does not work.
You have power supply problem either due to bad DC filter caps or short circuits in the power supply or the backlight inverter board.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Posted on Jul 11, 2010
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Posted on Jan 02, 2017
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