How do i repair my vizio E7011-A3

Buy an other TV. It will be best to your Health.

Can be the TCON board or the Main board. Can confirm by replacing the TCON board.
If you wish to get some details; visit the site linked here. Pull up older posts. http://electro-medical.blogspot.com/

You are correct. You can get replacement parts here: TV Parts Universal TV Stands DLP Chips ShopJimmy

Back - light problem. 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. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size...

The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Vizio TV Repair - How to Install Vizio LCD Motherboard ...

? 6:21
https://www.youtube.com/watch?v=B_ae3f7C3jQ
Feb 20, 2012 - Uploaded by Brady Smith
Learn how to replace your LCD Visio TV motherboard and hear a few facts ... ANYBODY KNOW HOW TO FIX OR WHAT NEEDS TO BE FIXED IF THE ... I have found that I need to replace themainboard in my vizio 42 inch. .... hey, man. can you help me out? i got a VIZIO E3D320VX from ebay brand new.

Vizio 3632-1512-0150 Main Boards Replacement for ...

? 2:48
https://www.youtube.com/watch?v=a_8URZW356E
Dec 6, 2012 - Uploaded by ShopJimmy.com
Top Common Vizio LCD TV problems for bad Main Unit Boards:... To be best prepared to replace the Main Board inside of yourTV, you will need the following ... If you have any further questions regarding your repair, simply post a ... i can see on one of the small black squares (sorry i dont know what they ...

Vizio TV Repair - E601i-A3 Main Board Replacement for No ...

Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Probably a bad panel. Those vizios are terrible. I worked on a 55" that was 9 months old with the same problem. replaced all the boards, ended up having a bad panel. See if you have voltage on the wires going to the panel. if so, its most likely bad