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I have a Vizio E550i-B2 that has been dropped and now part of the picture is upside down. Any ideas?

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5 Suggested Answers

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Posted on Jan 02, 2017

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AJIN G
  • 6694 Answers

SOURCE: 55 Vizio LED e550i-b2. Confirmed no back lights. Unplug for few hours, replug and works again for a few days. Is best bet led invertor going out? Visually the boards and connections look ok.

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 Jun 11, 2016

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gopakumarg43
  • 74383 Answers

SOURCE: 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.

Posted on Jul 11, 2016

gopakumarg43
  • 74383 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

  • 1525 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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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


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).

25464bf7-ffef-4ea6-b854-2af6ee4a9464.jpg

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Until the troubleshooting is done and the prices of the required parts known hard to say if it is worth the cost.

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Could be an open internal fuse or power supply failure

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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.

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