Question about Sharp Aquos LC-42D62U 42 in. LCD HDTV

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My sharp aquos will not turn on. When I hit the power button, the tv comes on but promptly cuts back off. What's the problem?

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Hi,

More likely it is Power Supply Board. You need to Open the TV. Make sure it would be Unplugged. You need to Take all the Precautions. Locate the Power Supply Board. Remove the Connectors and Pull out the Board. Once you Pull out the Board, with the Help of Magnifying Glass, locate Cold Solder Joint. If Everything is OK, then you would Locate Bulged / Leaked / Swelled Caps. They would have Ammonia kind of Odor. You need to De-Solder them. You could take the same to Radio Shack / Fry's / Order Online. Once you get the New Caps, Solder them and it is all set.You also need to Check Fuses around that.

Getting a Service Manual for this Model could be tough, but i would be able to ask few vendors, in case problem would not be resolved. Usually, you could easy repair the Power Supply Board, if you could catch Few Bad Caps.

Let me know,once done.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on May 05, 2010

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My Sharp tv remote will not turn on / off tv. It will turn on by the main power switch on tv but not by remote.


From page 8 of the manual:

The POWER indicator on the AQUOS television should light GREEN indicating you have power to the AQUOS television.

If the POWER indicator on the AQUOS television still does not light up, press TV POWER on the remote control to turn the power on.

IMPORTANT:
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IF YOU STILL ENCOUNTER NO POWER, PLEASE CONTACT US AT 1-800-BE-SHARP

http://www.nemsworld.com/theater/LC46_52D62U_Manual.pdf

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Comment by Guest, posted on Oct 25, 2008My Aquos has the same problem. I'm not sure how I discovered this, but when I lean the TV forward and hit the power button it will turn on every time. If the screen blacks out and I don't lean it forward when I hit the power button, the screen will just remain blank. It is very weird, but at least repeatable.

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