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My 70 inch LED Vizio TV (E701i-A3E) turns on but no picture and no sound. It seems to have a backlight. After a minute or so it turns off completely by itself. What board should I replace?

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  • City View TV & Computer, Inc.

    This TV uses a sharp LED panel, it is a common problem with this model. If you still have the purchase receipt, please contact Vizio, they will ship you a new TV (They extended the warranty due to a class action lawsuit).

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 58 Answers

SOURCE: Vizio GV47L FHDTV10A

sounds like a lamp failure.

Posted on Dec 06, 2008

iseeu2
  • 4 Answers

SOURCE: vizio vw42l, the vizio light turns from ornage to

Does LCD screen backlight come on? If so proceed....
USE:CAUTION WHEN DOING THIS....
Try this if repairing yourself...find power supply, small board with no cover over it...check voltages on output pins/plug/connectors (white plugs) three in a row...
1 Plug has 24Volt supply..1 has 12Volt supply and 1 has 5Volt supply when read to ground (screw that holds board in) if you have these voltages it's a safe bet it's the main control board...I just replaced mine and it fixed a problem like yours.

Posted on Sep 02, 2009

  • 27 Answers

SOURCE: Vizio VX42L LCD TV died?

it is the power supply. in the given scenario like yours, the PSU is the suspect in 90% of the cases.

Posted on Apr 09, 2010

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Fujitsu
  • 29 Answers

SOURCE: Vizio VX37L HDTV10A no picture

Hi.
You need change the Main board. You have a micropros. problem.

Posted on Aug 20, 2011

TODDAS
  • 431 Answers

SOURCE: Vizio SV470M Issue Sound No Picture

Do you have backlight? If you do, you have a bad main logic board. Very common with vizio and are hard to find. They are usually out of stock everywhere.

Posted on Oct 31, 2011

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1 Answer

FIGURE OUT WHERE TO START DIAGNOSES


https://www.youtube.com/watch?v=sDwZQIZB... try this video 1st.sounds like your problem.

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Do you still get sound? If you do get sound, then the problem can be in the backlight inverter board or in the main power supply that supply 24vdc to the inverter board.

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It's either the backlight lamp or backlight inverter is busted due to a power failure or fluctuation. Here's how to determine which is which:
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  2. Turn on the TV.
  3. Shine the flashlight onto the screen.
  4. If you cannot see any display even a faint one, the backlight inverter is dead, else the backlight lamps are busted.
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1 Answer

I have a 42" Vizio picture has an annoying thick red line


Ur backlight inverter video board is dying.
Need a new one.

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1 Answer

I have a 42 inch vizio VW42L and a few months after I bought it sometimes when I go to turn the set on I get sound but no picture. To the point where the backlight of the tv doesnt even turn on. I usually...


Tell Vizio send out the tech.to replace ur Backlight video inverter board,it dying go to be dead sooner or later.Or take the refurbished tv ur tv will have dead video soon.

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The TV usually hums when the backlight setting is too low. So turning it up should get rid of the problem. To do this please follow these instructions:

1. Turn the TV on.
2. Press the Menu button on the remote, located right below the channel changing button.
3. Press the down direction button, located at the middle of the remote. Press that button until the backlight is highlighted.
4. Press the right direction button until the backlight is at 100.
5. Press the OK button and then the Exit button until you get back to your picture.

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3 Answers

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If you are using a set top box this might be caused by turnig the box on at the same tie as you turn the tv on or slightly after you turn the tv on.  If you are using compnent or HDMI inputs the set needs to see the signal as it is turned on to know what formt the signal is in. 

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