Question about Vizio E470i-A0

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Vizio e470i LED HDTV picture is very dark, practically black, but the sound works. Its possible someone hit a menu button but I'm not sure. Please help!

Not sure if this happened through my direct tv receiver, or vizio menu setting, or if it's just flat out malfunctioning! Blue light is on but not flashing. All I have is sound. Any ideas? I can not see the screen to change any settings either! It's around 1yr old and around 50in, but no receipt or warranty. Help!

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  • Jimmy Strawser
    Jimmy Strawser Mar 24, 2015

    Im having the same problem, did you source a solution?

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Posted on Jan 02, 2017

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  • 92 Answers

SOURCE: I went to turn on my Vizio and the scrren was

Do you have back light when turning on the TV? if you do then just replace the main board should resolve the problem. if you do not have back light, you will need to replace the inverter board(s) depending on your model. The inverter board(s) is located on the left side of the TV facing back of TV. you may have two inverter boards depending on your model. the other is located on the right side of the TV. Both mount vertically.

Posted on Jun 18, 2009

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dsacco86
  • 1077 Answers

SOURCE: black screen

Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.

I would keep hounding them for the warranty issue. Why do you have to spend a dime if the TV is still under warranty? I would just keep at it.


I hope I shed some light on the subject for you.

Posted on Jul 08, 2009

pastorey
  • 47 Answers

SOURCE: Vizio 46" Gallevia Flat Screen

any display in the corners of channel number av etc ?? if you turn the volume up and down does that show on the display if not likely to be a dead panel

Posted on Dec 09, 2010

SOURCE: I have the Vizio 47 inch E470i-A0 TV. When we turn on power we have no sound or picture. We can't use on screen menu because of the black screen. What might be the reason for this.

You have a bad power supply board.

Posted on May 03, 2015

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Vizio E470i-A0 three years old screen went black still has sound. Checked in dark room no lights in back of tv then shined flashlight on screen and pushed menu could see menu with flashlight on it.


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.

Mar 09, 2017 | Vizio E-Series E470I-A0 47" LED TV...

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Vizio E470i-A0 not powering up, the standby led comes on momentary when the pwr button is pressed. The voltage on led1/led2 would spike to 130v when powered then bleed down. Are my led strips are bad?


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 14, 2016 | Vizio E-Series E470I-A0 47" LED TV...

1 Answer

Vizio e470i-a0 has a blank screen but has sound.


The led strip is faulty. Normally it's comes with the panel.
If you wish to know bout the Woking of back light LED the check the below added link.
www.electro-medical.blogspot.com

Jul 01, 2016 | Vizio Televison & Video

1 Answer

Have sound, no picture, can see menu with flashlight test. can see backlights for aprox. 6 secs. then off.


Hi Bill,
It is a common problem with LED TVs. Some of the LEDs in the backlight array have gone bad and need replacement. Reaching the LEDs is a real delicate and risky job. I do not know how handy are you with repairs. If you can not handle it, talk someone who can do it.
Good Luck.

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Check the attached links,
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."


Vizio E470i A0 Blank Screen No Backlights How to Test Power Supply...
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http://www.badcaps.net/forum/showthread.php?t=41334

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How do I fix my VIZIO TV?


Vizio TV Repair - Instructables

www.instructables.com/id/Vizio-TV-Repair/

InstructablesSo my Vizio TV was flashing on & off rapidly every time I switched it on. ... good way to get something to work, but it got things working until I had time to repair it.

Fix Power Problems In 5 Easy Steps: What To Do When ...

vizhdtv.com/fix-power-problems-in-5-easy-steps-what-to-do-when-your...
Aug 26, 2015 - Vizio TV power cord plugging into a power outlet. Do you know ... Powerproblems might require service or replacing parts inside the TV. Before ...

Dec 14, 2015 | Vizio E-Series E470I-A0 47" LED TV...

1 Answer

To fix no video Vizio E470i-A0 TV


Fault to its main 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.

May 21, 2015 | Vizio Televison & Video

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