Question about Vizio SV471XVT 47 in. LCD TV

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How do i fix my vizio sv471 xvt tv. black screen, smells like something is burning

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  • 494 Answers

Possible back light power driver is faulty or shorted. New drivers can be had on Ebay but not too cheap.... Simple to install!

Posted on Jun 30, 2015


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Posted on Jan 02, 2017

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SOURCE: vizio 47 comes on but no response to remote.

So power button on TV and remote control doesn't turn it off? May also be set on mute and remote battery needs changing.

Posted on Dec 21, 2008

  • 335 Answers

SOURCE: I have the 47

First check your settings options on how the tv handles HD signals. the settings determine how fast the transition periods are when sampling pixels interlaced or progressive. Be sure the tv is on auto-set for 420p-1080i input signals.

if the problem is still there:

Yes, try using a better grade HDMI cable with better impedance characteristics. this is a good idea anyway but probably not the cause of this problem.

if the problem is still there:

Check the software compatibility between the tv's media input devices and the tv. The tv software may need upgrading and your cable provider should do this for you as well as the manufacturer of the tv.

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Posted on Oct 29, 2009

  • 3 Answers

SOURCE: Hi there-I just hung a

check the screws that you used to install plate on the back of tv some times they are to long ,it can be pressing up against circet board with out you knowing

Posted on Nov 02, 2010

  • 10594 Answers

SOURCE: I have a three year

Take off tv back and observe power supply board and back light inverter board for burn spots, replace that board that has burn spots.
Power supply board is where AC cord goes in and inverter board would be installed at side of lcd panel. Required board would be available in

Posted on Aug 16, 2011

  • 5138 Answers

SOURCE: Vizio 42 in. Black screen no sound. TV will not

Look on for Parts. Look on power supply for Bad Capacitors they will be swollen or vented on Top.

Posted on Oct 18, 2011

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most likely failure of module in the tv, most likely fuse, capacitor, something burn up, find the air vents smell the area your smelling something burn up smell, if you have every smell electronic stuff burning up you will understand what i mean you will never forget that smell.

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TV powers on and goes black.

first i'd say try all the normal things...

swap sources, check to see if the osd comes up, etcetera. it might just be that the tv isnt receiving a signal from the source its tuned to. see if theres a way to factory reset the tv, try it.

if no matter what you do nothing shows up...

maybe the backlight burned out or maybe something on the mb burned out. go over and sniff the tv, notice any smell? if this is the case, i dont suggest trying to fix it new screen.

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I was wondering if someone could help me find which board could be bad on a Samsung PN59D8000FFXZA plasma TV.

look on the power supply board for burned parts. The board that controls the back light may have some burned parts as well.

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My vizio 42 inch just made a very loud pop and the screen went black (off), the vizio leters at the below the screen stayed lit white as if the tv was still on. 5 minutes later a very loud pop then came...

Is it possible that it was storming when this happened? It could have been a power surge. If you are still covered under the manufacturers warranty, you should give them a call. Even if you aren't covered it wouldn't hurt to call to see if they can help or offer a discount to have it checked out and/or fixed.

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I have a 55' Vizio Tru LED model VF552XVT. The TV ran fine for a year and a half and just recently the screen started shutting off after a few hours. I am aware that there is an issue where Vizio

It sounds like an overheating issue with the T-con board. You shouldn't have to run a house fan behind the TV to keep the screen on. Make sure you have the TV in a place where there is enough space around it to allow for air flow. Also, check to make sure the ventilation slots on the back of the TV are not blocked with dust.

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1 Answer

Vizio 47 comes on but no response to remote.

So power button on TV and remote control doesn't turn it off? May also be set on mute and remote battery needs changing.

Dec 21, 2008 | Vizio SV470XVT 47 in. LCD TV

1 Answer


Pretty sure you aren't supposed to use any chemical cleaner. I just use one of those pieces of fabric you are supposed to clean your glasses with and it has served me and my VIZIO XVT very nicely! But don't wipe to much because you can damage the pixels and screen. Gently. Hope that helps

Oct 24, 2008 | Vizio L37 Television

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