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

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The LC-20SH3U isnt switching on,how can i solve this problem?

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If there is no indicator light on at all, then the 5vdc may not be working. You will have to do some voltage checking inside.
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Let us know how much you know about electronics and tools that you may have.

If you are going to DIY and have proper tools 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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1 Answer

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...

1 Answer

I HAVE A SHARP LC20SH3U WITH SOUND BUT NO PICTURE


My best "guess" based on description is either the main board or the display panel itself is bad.

May 30, 2012 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

1 Answer

I have no picture but i have sound


Thats almost always an inverter issue which isnt lighting the backlight. Replacing the inverter should solve the issue in most cases. You can get the replacement inverter from www.tvrepairworld.com along with free tech assistance.

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1 Answer

Not getting signal for chanels


You should replace R101 on the control board by a new 10K one.
The problem should be fixed with this.

Apr 14, 2011 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

1 Answer

Is this T.V. analog or digital?


This LCD has an analog tuner not digital.

Sep 29, 2010 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

2 Answers

CAN I BUY REPLACEMENT SCREEN


You need to get the number printed on the LCD panel, you have to take TV apart to see it, the manufacturer can use more than one type of screen on your TV with the same TV model number. Is the screen cracked or it just shows black screen? Otherwise it can be the backlights inverter board or the power supply is bad.

Nov 16, 2009 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

1 Answer

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


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.

Jan 30, 2009 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

1 Answer

Power light is red


From mjtv@btinternet.com..................have found with this model, like a lot of others, that the feed socket into the inverter panel goes dry. Spray with servisol. If not, with extreme care, spray the scan drive socket too. Solved my problem, hope it helps..... Mike

Dec 18, 2008 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

1 Answer

Sharp LCD 20" LC-20SH1E


Can you tell me how to adjust the picture size on the above tv? I switched it off one evening and when i switched it on again I was getting a broad black line at the top and bottom. When I put on the teletex I can see the tv picture down the right hand side of the screen. I have been through all the buttons on the remote control but am unable to fix this.

Nov 11, 2007 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

1 Answer

Broken LCD on a Sharp 20SH3U TV


DO YOU STILL HAVE TV WILL YOU SELL FOR PARTS?

Aug 16, 2007 | Sharp LC-20SH3U 20 in. EDTV-Ready LCD...

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