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I have a sharp LC-50LB261U LED TV , SOUND BUT NO PICTURE, T-CON BOARD REPLACED STILL NO PICTURE.WHAT SHOULD THE LED OUTPUTS ON THE POWER SUPPLY BOARD READ? THE +LED=65.3DC VOLTS, -LED=0.450 AND FALLIN

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  • Sharp Master
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The Ballast board that controls the backlight is next. Sounds like it has failed.

Posted on Jun 27, 2017

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Posted on Jan 02, 2017

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My Sharp LC-50LB261U tv screen went black but i still have sound. i replaced t-con board and power supply board and have same problem. can you help?


I don't have a service manual for that set so I'm only able to help on a limited basis...Have you tried the flashlight test?...if the backlights are out then it could be a backlight driver board if it has one? or defective LEDs. See what you have for voltage going into the panel LED's

Oct 18, 2017 | Sharp Televison & Video

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How do I fix my sharp TV


This is the board that has the bad part. http://www.shopjimmy.com/sharp-runtka932wjqz-power-supply-led-board.htm

Compare yours with the picture to see if there is anything visually wrong.

May 06, 2016 | Sharp AQUOS LC-60C6400U 60" 1080p LED-LCD...

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Got no picture but i have sound on my sharp lc-42sb48ut how do i test the t-con board backlight inverter and power supply board?


Normally u have this problem for a while before they just stop showing picture period U can only try unplugging it and try to restart it unfortuneatly this is the problems with LCD TV,s when they play out I know i had one go this way after only 3 years old and cheaper to replace then to try to fix.....#Laborcosts

Nov 03, 2014 | Sharp LC-42SB48UT 42" LCD TV 1920x1080,...

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Sharp Lc-26sb24u white screen with sound


You will get a white screen when you unplug the t-con from the main board. Doing so removes power to the LCD panel. Verify that all of your voltages from the power supply are correct. If they are, I'd look at the t-con board. It sounds like there is a problem with the t-con that is pulling down the main board.

May 11, 2012 | Sharp LC Televison & Video

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