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My VIzio E550i-B2 TV has no picture and no sound. Do I need a new power supply board?

When you press the power on button the button lights for a few seconds and then fades away. No picture or sound comes on.

Posted by Clair J Krater on

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1 Answer

Larry

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  • Vizio Master
  • 2,800 Answers

What does the power indicator on the front of the set do when the on button is pushed?

Posted on Nov 29, 2017

Testimonial: "It lights for a second or two and then fades"

  • Angie Mobley
    Angie Mobley Apr 28, 2018

    fades off after about 5 or so seconds/
    have back panel off

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3 Related Answers

Derrick Gee

  • 3 Answers

SOURCE: Vizio E550i-b2 TV has no backlight, pic or sound. Replaced power and Main boards - still having the problem. Any suggestions? I have the TCON and LED Driver board left

The led is what makes the picture try replacing that it it's the only one you didn't change out

Posted on Aug 31, 2016

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gopakumarg43

The Knight

  • 76376 Answers

SOURCE: Vizio e550i-b2

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.

Posted on Feb 16, 2017

shaun taylor

  • 1527 Answers

SOURCE: ordered Vizio 056.04167.0001 Power Supply / LED Driver for E550I-B2 the sound worked before switching it out, but picture did not. Installed part & picture only stayed on for a few minutes & no sound.

hi the led in the panel may have shorted out thanks

shaun

Posted on Mar 27, 2017

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