Question about Vizio Televison & Video

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I have a Vizio TV E500i-B1 and the screen is black when powered on. I have sound and able to see images with a flashlight. what do I need to do to fix it?

When I power on the TV, the Vizio logo will flash and then the screen goes dark. Other times when I power on it work fine.

Posted by Christopher Boos on

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1 Answer

Larry

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  • Vizio Master
  • 3,898 Answers

You have lost your backlights, look at the inverter board if its a LCD or with LED the power supply that supplies the voltage for the lamps

Posted on Nov 14, 2017

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5 Related Answers

Anonymous

  • 1 Answer

SOURCE: at power up tv displays Acer logo then goes to black

will not turn off power with out unplugin it

Posted on Mar 01, 2009

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Henry

  • 1 Answer

SOURCE: dynex dx-22ld150a11 screen goes black

Replace the TMS94481CT transformer on the inverter board. Can't miss it it is bright yellow. Part is available on EBay.

Posted on Aug 21, 2012

gopakumarg43

The Knight

  • 76823 Answers

SOURCE: Vizio E500i-B1 won't power on unless power is cycled. After unplugging/plugging it back in it will work but it may need the power cycled a couple of times to get the audio and remote to work reliably.

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

Posted on Jan 25, 2016

gopakumarg43

The Knight

  • 76823 Answers

SOURCE: Vizio E500i-B1 screen jumbled up, can hear sound but picture looks terrible, any ideas what board would control that?

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/

Posted on Jul 12, 2016

Testimonial: "Sorry Knight changed board still doing same thing. I did notice the motherboard very hot, you think this could be it? Power supply maybe?"

mosekha

Moses Isaosi

  • 23 Answers

SOURCE: I have a LG 47LN5750 that powers on, flashes a good picture for about 1/2 second, then goes dark. Still have sound & can see a picture with a flashlight shining on the screen.

Your Tv has Led strip that is faulty you just have to check if they are receiving dc voltage if yes then change the Led strip if no check the voltage supplying the Led

Posted on Jul 17, 2016

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Vizio E500i-b1 went dark, any ideas on what to check next?

You can change boards in your TV all day and it's most likely no going to fix this set. Have you ever had a set of miniature Christmas lights that seemed to work great then all a sudden none would light, either because a bulb burned out or fell out? There are 2 types of electrical circuit wirings, one is series the other parallel. In series like your LED backlights are wired in your TV there are about 8 button lamps per circuit that have a 24 volt DC supply serving each set as this TV has what's called local dimming, one of the lamps has opened up making that set not light up, the power supply has over voltage and over current protection for each supply if one lamp opens up they all go out and this is exactly what's happened in your TV, the power supply safety circuit is non discretional, if it detects an error it shuts down the entire backlight circuit giving you no backlights. As far as a break down on what fails 5% of the times it's the main board 5% its the power board and the other 90% of no backlight failures on this model TV comes from the backlights being bad. You can change just the one bad strip if you wish but it's advised to change them all. Good luck!
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VIZIO E500i-B1 broke again a month after replacing the power board. Having similar issue

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Vizio 60" smart tv screen bottom section of the screen is lighter than the top

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Vizio e500i b1 black screen, no image

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://electro-medical.blogspot.com/
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.
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My Vizio e500i-b1 LEDtv went out last night. How can i tell if it's the main board or the tcon board that isn't functioning?

I would verify the voltages on the power supply board first because an improper voltage to a circuit board may make that board look bad.
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