My 52" Vizio LCD (2 yrs old) has power but blank screen

T'Con board fault. Check and replace it. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

LCD & LED TV Repair - No Image & Blank Black Screen ...

? 5:56
https://www.youtube.com/watch?v=xUzCLgoSPGM
Sep 15, 2014 - Uploaded by ShopJimmy.com
LED & LCD TV How to Diagnose Symptom of No Image on the Screen ... Was working fine and now blank ...

LCD Easy Fix (sound but no picture) - YouTube

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https://www.youtube.com/watch?v=IBRE1Dcyxp4
Jan 13, 2012 - Uploaded by Clay Whitehead
My tv stopped working, it had the sound but no picture, so I did a little research and fixed it. ... vizio E701i-A3E ...

Vizio LED TV Repair - TV Has Backlights but no Image on ...

? 5:06
https://www.youtube.com/watch?v=fSCf1xxLjNA
Aug 27, 2015 - Uploaded by ShopJimmy.com
Basic Troubleshooting Help if your Vizio LED TV has a blank screen and no ... It is on an UPS but turned off ...

If it is still under warranty, take it back ASAP. The panel could be failing, TAKE IT BACK

This problems the tv serveral vertical lines show up on the LCD screen panel by itself?Yes,the tv board that call the T-CON decodering board is dying.The T-CON decodering board it sit at the middle bottom of the LCD screen panel.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish T-CON decodering board for the replacement.If these vertical lines cause by an object or a person by hitting the LCD screen panel,tv is not repairable,because the LCD screen panel is dead not worth replacing because the LCD screen panel are 90% important to the tv and cost the same as a new tv.

looks like the lcd panel is damaged contact the toshiba service on your area

I would have told you MAIN board in the first place.

Try to use the reset factory reset feature. Unplug the set. After unplugging press the power button for 30 seconds. Plug the set back in and turn it on.

Remove the TV cabinet to expose the circuit boards and plug and unplug the connectors the main circuit board, that many times will fix the issue.

problem is in the power supply.

regards,
daniel.