Question about Sharp LC-20SH3U 20 in. EDTV-Ready LCD Television

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I have a sharp 20" (Model LC-20SH1U) That wont power on

One day it just wouldn't power up. I don't know if it's was struck by lightning. Is there some sort of reset or fuse that can be changed on this TV?

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PROBABLE POWER SUPPLY OR CONTROL BOARD PROBLEM. TAKE TO AUTHORIZED SHARP SERVICER TO IDENTIFY WHICH BOARD. SOME POWER SUPPLY BOARDS CAN BE TROUBLE SHOT TO COMPONENT LEVEL.

Posted on Feb 06, 2009

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Need a downloadable manual for this piece. Lightning struck house now have a fried part...


What model TV is it from ? The Powers Supply schematics are usually found in the TV service manuals. The information in the service manuals is very limited and you most likely won't be able to get a full schematic of the PS.
Alternativly buy a replacement board. They seem to be widely available.
- http://www.ebay.com/sch/sis.html?_nkw=Sharp%20ADTVA2415SA4%20LC42SB48UT%20Power%20Supply%20Board&_itemId=360718249225 -
It may be the cost effective answer as service manuals are quite often, not cheap.

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Sharp model lc-20sh1u won't turn on, just makes a clicking sound and indicator light flashes red.


The clicking sound may be a power relay coming on and then off--problem indicates a trouble in the main power supply.

Nov 02, 2012 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

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I don't have the power cable for tv. i need help so where a buy cable. i'ts DC13V for Sharp tv model lc-20A2U.


This is one pricey AC adapter...

steve_con_65.jpg

Due to the proprietary connector on the TV, you'll probably not find one available from a third party. A search reveals that several sites offer the UADP-0220CEZZ as a compatible power supply for your TV. The supplier of the picture above offers one for $159. Still, others can be found by checking the links returned from Google, shown here. You may have luck by checking on ebay from time to time, too. Finally, Sharp USA offers this part for $167. Copy UADP-0220CEZZ into the "Accessory Model #" box and click "Search". Strangely, placing "LC-20A2U" in the Product Model number box and selecting Power Supplies and cords does not come up with a part.

I hope this helps and good luck! Please rate my reply. thank you.

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My sharp lc-20b6u is dead, wont come on at all, could the power cord be shot? tried different outlets and no luck, nothing at all Thanks for your help


hi there, yes sometimes cut or wounded power cord actually result to no power at all. But if it still good try to trace down busted fuse. if fuse also good well it could be a defective power supply, defective power mosfet, or bulgy/leaky capacitors. if this is th e problem now, its better to let a service technician to be of assistant. well good day, hope it helps. Please rate and vote

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Sharp LC-37SH12U LCD TV is 20 months old and would not power on


Your power supply unit needs servicing on some part replacements. bad capacitors, voltage regulators, hi-watt resistors,....etc

Nov 03, 2009 | Sharp Aquos LC-37GD6U 37 in. LCD HDTV

1 Answer

Sharp Aquos LC-37 is 20 months old and would not power on


it is 99% certain that what needs to be replaced is the power board.

That's the #1 problem across the board with TVs that work for some time and then start behaving like you describe.

If you know what a scredriver is I'd suggest you do it yourself.

You can seek for a new board on eBay or through Google. I'd search for "LC-37GD6U power board".

If you don't find one you'd start searching for other similar TVs and compare the pictures of the board with what you pull out of yours.

Of course you can have a technician do all that for you for a $150 more.

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Broke screen on sharp model lc-20sh1u. can i purchase screen?


Unfortunately not, they are not sold here in the States at this time.

Oct 30, 2009 | Televison & Video

1 Answer

Tv struck by lightning


You wont be able to fix the TV your self as the power circuit board may have blown - consult a qualified repair man. Buying a surge protector for your expensive electronic goods is highly recommended.

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TV struck by lightning


Looks like the flyback (high voltage transformer and probably the majority of the power board is kaput. It would be cheaper and probably worth your while to invest in a new TV rather than try to fix this one..

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