Have a VIZIO E601i A3 a technician came to get some numbers of the back panel of the tv and he rip the power button of the side of the tv I was wondering if I could replace the whole unit because there is some rip cords attach to it ?

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/

Does appear to be a PS issue.

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.

diagnose television fault Check the attached links,instruction and guides, Good luck
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http://www.avsforum.com/forum/167-plasma-flat-panel-displays/1491814-common-diy-diagnosis-repair-info-plasma-led-lcd-ccfl-lcd-tv-sets-monitors-display-devices-mostly-power-supply-repairs.html

How to Diagnose TV Problems

http://www.repairfaq.org/samnew/tvfaq.htm

Latest Repair Tips

Try the flashlight test for image in a darkened room. If you see image checkout the inverter board.

Here is the manual for the Samsung 6200 Series:

http://downloadcenter.samsung.com/content/EM/201504/20150416111038783/J6200-ZC_BN68-07181D-00L02-0323.pdf

Here is the manual for the Vizio 60" E601I-A3

http://cdn.vizio.com/documents/downloads/hdtv/E601iA3/UM_E601iA3.pdf

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Check and replace the damaged component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

yes take it back 6 weeks i would return it