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Model e550i-b2. Backlight comes on but why no picture?

The screen appears to change when I press input. I've replaced the main board, the power b, led driver b, and tcon b!

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  • Vizio Master
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T'Con board fault. 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/
If you wish to get assistance over phone, visit this site. https://www.6ya.com/

Posted on Nov 02, 2015

  • josh
    josh Nov 02, 2015

    I have already replaced t-con board. Could it be a ribbon cable?

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6ya6ya
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Posted on Jan 02, 2017

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  • 60 Answers

SOURCE: Vizio HDTV 37 VW no picture

  1. Could have a bad LVDS cable which is the cable that connects from the main board to control board. The control board is probably the cause that is the board that is top and middle of the panel that is connected to the panel via ribbon cables dont know if you can get separately or if you have to get the whole panel.

Posted on Aug 23, 2009

  • 347 Answers

SOURCE: I have a X2Gen 42" LCD (MV42P) that has no picture

if there is no dispay in the screen atall then it has to be the screen or the unit controlling the screen which can be in the same unit as the screen sometimes also if you have replaced the power supply the main board and the controll board then there is either something wrong when fitting them or one of the units are faulty but i am thinking the screen mate i cant explain the sound it could be caused by the fact there is nothing to display meaning there is no picture being send and no sound,,,,


if you have any light atall in the screen when the tv is turned on this cant be the problem

it sounds like the input device is not inputing anything ie the hdmi or scart is not sending through and the tv and dtv are not sending this would explain why no screen and no sound because there is no sound or picture being send through and because the unit is broken there is not even any menus

Posted on Feb 25, 2011

  • 12 Answers

SOURCE: I have a vizio vz37l tv. When i turn it on the

its the main board...

Posted on Mar 07, 2011

SD Tech
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SOURCE: AKAI LCT37Z6TA TV Issues

Sounds like the main board as it has all control and signal processing on it.

Posted on May 17, 2012

  • 1 Answer

SOURCE: Vizio m550nv backlight won't work

This TV comes with a remote that connects to the TV via Bluetooth. It remembers which equipment is connected to the various inputs, and automatically changes the controls to match the input equipment - really nice! I found that it will control all my equipment, and since it works via bluetooth, you don't have to have direct line-of-sight to the TV. Wish that the bluetooth part worked for my satellite equipement too! Programmable remotes will operate this TV, but depending on how old they are, they may not be able to hit all the features of the tv - our older directv remotes will operate the basic features, but only the newer models will change the input source - so you may want to use the remote that came with the TV. We have smaller kids, and wanted to limit their use of the tv remote, because it has a slide-out keyboard similar to those on some cell phones to make posting to facebook (one of the apps that comes on the tv) easy. Since our youngest is 5, we thought it might be best to keep that remote out of harm's way.

More Detail :
http://tv.babybi.com/detail.php?id_detail=VIZIO-M550NV-55-inch-Full-HD-1080p-120Hz-LED-LCD-HDTV-id126a

Posted on Sep 26, 2012

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Hi I have a VIZIO E550i-B2 the TV has no pictures not sure if it has backlight but it does have Audio the only way to see picture is to shine a flashlight on it.


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.

Feb 18, 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://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.

Feb 15, 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...

1 Answer

How do I fix Vizio flat screen E550i-B2 backlight 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.

Jul 11, 2016 | Vizio Televison & Video

2 Answers

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.

May 03, 2016 | Vizio E550i-B2 55" LED TV 1920x1080, 120...

1 Answer

Vizio e550i-b2 no led backlight


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

May 03, 2016 | Vizio E550i-B2 55" LED TV 1920x1080, 120...

1 Answer

Vizio TV has sound but no picture


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.

Dec 02, 2015 | Vizio Brand Original Remote for E320i-B0...

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