Question about Vizio E500i-B1 50-Inch 1080p Smart LED HDTV

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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?

The backlight is working but i'm getting no picture or audio with a white screen

Posted by Anonymous on

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  • Anonymous Jun 20, 2015

    i didn't see any swollen capacitors on the power board. How would i check the voltages?

  • Al Kizina Jun 20, 2015

    Did you try another input like DVD player to eliminate the tuner as the problem?

  • Anonymous Jun 20, 2015

    No. All that comes on the screen is solid white. No menus interface or anything.

  • JC JC
    JC JC Aug 29, 2018

    Most likely the Tcon board is junk...

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  • 170 Answers

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.

Posted on Jun 20, 2015

Testimonial: "i didn't see any swollen capacitors on the power board. How would i check the voltages?"

  • Al Kizina Jun 20, 2015

    You need a DC voltmeter. This must be done with the power on, and I do not recommend doing this if you do not have experience working on powered equipment. You could get hurt or damage a good power supply board.

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1 Answer

Have Vizio E60-c3 LED TV. Picture not working, Backlights on, Audio works. Ordered Complete repair kit from Shop Jimmy.


About 99% of the boards from shipjimmy are good, unfortunately lI think you have a bad panel and its destroying the tcon board, did you check the fuse on the tcon board?

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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. 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.

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My Vizio mod E500i-B1 heard a pop and no picture or sound. Would replace main board be possible fix?


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Vizio tv model E500i-B1 I have sound but no video. If I unplug the TV over night the video will work again. Any idea of how to fix this problem?


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Nov 17, 2016 | Vizio Televison & Video

1 Answer

I have a Vizio E500i-B1, SN# LTYWPLEQ2350571, backlights and sound are OK, no picture. Ordered a T-Con board and just installed it, still no picture. Any suggestions on next steps?


you have wasted money on an experimental fix
take it in and get the problem properly diagnosed and then replace the diagnosed faulty part

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1 Answer

I have a Vizio E500i-A1. I have backlights and sound but no picture. I have ordered and replaced the tcon, main board and power supply board. Still no picture. Any Idea what the problem is?


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.

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1 Answer

My vizio will not turn on. The light on the bottom flashes on and off, but nothing on the screen. I replaced the main board. It worked for several days then went right back this issue.


Have just looked on you tube , I typed in fix for VIZIO E500i -B1 power off and a 2.24 minute video appeared . if that does not solve your problem type the product info and fault again and check the videos that pop up . hope this info is of use to you....

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