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Good morning. I have a Vizio e550i-b2 with no picture or sound but I did the flashlight test and I can see picture. Any idea what I need to fix my issue. thank you so much

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  • 14 Answers

Hi,
This model develops bad solder joints on the connector between the power supply and the led driver board and loses backlighting. It's hard to believe, but the whole connection goes bad. All those pins supply only 24v and gnd. Resolder all of them and the tv will work.
It's the connector between that large yellow board (p/s) and the center green board (led driver).

Good morning. I have a Vizio e550i-b2 with no pict - 25464bf7-ffef-4ea6-b854-2af6ee4a9464.jpg

Posted on May 12, 2017

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Posted on Jan 02, 2017

  • 670 Answers

SOURCE: I have a Vizio E550i-b2 55 LED TV. I have no LED backlight. When I hold a flashlight to the screen I can see the images and I have sound. I was going to replace the LED driver? Thoughts??

Hi Jimmy,
If I may suggest, before changing, please check that the inverter board is producing the necessary voltage to drive the backlights or not. If the board is producing the necessary power and still the backlight is not coming on, there is possibility that some of the LEDs in the backlight array have failed.

Posted on May 04, 2016

Testimonial: "No matter which HDMI input I use the screen is totally black again. The apple tv works fine on a different Vizio TV with a different HDMI cable."

AJIN G
  • 6694 Answers

SOURCE: Visio E550i-B2 Have sound but no picture. Did a flashlight test and I see an image. Google search results point to bad LED driver but I would like a second opinion. Thanks

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://electro-medical.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 Dec 01, 2016

gopakumarg43
  • 73698 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

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1 Answer

I'm trouble shooting my Vizio e550i-2b It has power no backlights, image can be seen with a flashlight, I've replaced led driver board and problem persists, do you suggest main board next?


If you can see an image with a flashlight and you can control the tv with the remote then the main board is not the problem. You've replaced the LED driver board, so that leaves the LED strips inside the LCD panel as the likely problem.

Feb 11, 2017 | Vizio E550i-B2 55" LED TV 1920x1080, 120...

1 Answer

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://electro-medical.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....

Dec 27, 2016 | Vizio E550i-B2 55" LED TV 1920x1080, 120...

2 Answers

Visio E550i-B2 Have sound but no picture. Did a flashlight test and I see an image. Google search results point to bad LED driver but I would like a second opinion. Thanks


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://electro-medical.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.

Nov 30, 2016 | Vizio E550i-B2 55" LED TV 1920x1080, 120...

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Need a backlight for vizio model E550i-B2


Fixya does not sell replacement backlights.

Oct 08, 2016 | Vizio Televison & Video

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Vizio E550i-b2 has no picture


Could be an open internal fuse or power supply failure

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Backlight for tv


One or more of the LED backlight strips behind the LCD have failed. Difficult and sometimes expensive to fix.

Jul 08, 2016 | Vizio E550i-B2 55" LED TV 1920x1080, 120...

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I have a Vizio E550i-b2 55 LED TV. I have no LED backlight. When I hold a flashlight to the screen I can see the images and I have sound. I was going to replace the LED driver? Thoughts??


U are on the right track - problem is caused by the board that drives the backlighting - the inverter board.

If you can get the number for the board it may be available on the cheap on ebay.

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