Question about Sharp Aquos LC-46D62U 46 in. LCD HDTV

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Sharp aquos turning tv on green light comes on then goes straight to redlight no picture or sound

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Unplug it from the wall for about an hour to see if it will reset itself fist, if it is still the same then you need to look inside. First thing to look for are the DC filter caps in the power supply module, then check the DC output voltages.Look burnt brown hot spots on the circuit boards.
If you are going to DIY and have proper tools, knowledge of electronics and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

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Posted on Jul 09, 2010

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Posted on Jan 02, 2017

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if the tv is still under the manufactuer warranty i would definitly give them a call. If it is a Sharp tv I would call the 1-87-BESHARP. I would also try unplugging the tv for at least 2-3 minutes and seeing if the tv will reset itself. Usually what happens with these tv's when the light blinks it locks the tv as a security issue. If the unplug does not help it will more than likely need service to get this fixed for you. The call line hours are M-F 7am-7pm S-S 9-5 and they will be glad to help you from there.

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1 Answer

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Sharp lcd screens are very easly damaged especially the larger screens,this could be at fault even though it looks ok,try shinning a light on the screen and checking every inch,could be the internal screen that has damage hence why not powering up.
Failing that it sounds like an internal short.

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