My vizio E701I-A3 led tv screen is black how do i fix it

The Knight

• 76851 Answers
• Posted on Apr 24, 2015

SOURCE: I HAVE VIZIO 70 MODEL E701i-A3 TV WAS ON SCREEN WENT BLACK I PRESS A BUTTON ON THE REMOTE AND THE SOUND WENT OFF. AFTER THAT THE TV WOULD NOT RESPOND AT ALL.

Try a hard reset to this set, and check. If it do not help you, contact any service technician.
There are two types of reset to TVs. The first is simple to do; a Hard Reset; and the other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight; will be better. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. 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/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

Steven Brandon

• 462 Answers
• Posted on Jul 05, 2016

SOURCE: Vizio E701i-A3 no audio or video have backlighting; should I replace all 3 boards or just main board

Just the main board

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Electro Med Services

• 6694 Answers
• Posted on Jul 10, 2016

SOURCE: I have a Vizio 70" led model E701i-A3E it started getting white spots then it just went black has sound but no picture. What parts do I need to buy to replace to fix this do I buy all three boards

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.
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.
http://electro-medical.blogspot.com/

SOURCE: I have a Vizio E701i-A3 Edge lit LED TV. I looks like an 8 inch strip of the LED edge lights along the bottom are not working. Do I need to replace the light or the T-con?

It could be the ballast for that section of leds. Led failure is rare but possible.

SOURCE: I have a Vizio E701i-a3. Sound with no picture. What's my trouble

Have you checked the "Mute" button?