Question about Vizio VO47L 47 in. LCD TV

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Black screen no picture but have front panel lights are all on

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Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Posted on May 07, 2014

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Posted on Jan 02, 2017

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Have you tried to access the menu features and tried to retune the stations on digital, or are you hooked up for analog.
If you don't know about what i speak, give me a yell. jr@excel.net I believe my remote sensor card is bad. While this might explain why you can't turn yours off, it would not explain the blank picture. If the menu does show, i would think the picture tube is O.K. if the menu does not show, there are some other things to look at.

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