Question about Vizio VU42L 42 in. LCD TV

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Vizio 42 lcd gets large dark spot. it will go away if you tap on side of set but comes back sooner ao later

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HI...
It's probably a loose flex cable inside. Look on the web and find someone near you

Have a service tech check it inside for you

Posted on Apr 22, 2010

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Posted on Jan 02, 2017

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My flat screen TV has a dark shadow in middle 3rd of screen the upper 3rd and bottom 3rd are nice and clear. Would this be LEDs starting to die?


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...

Sep 26, 2016 | Vizio 42 in. LCD TV

1 Answer

How to fix Multi color Vertical Lines on a Vizio E470i-AO TV


Does the menu function display the same lines? What kind of cables are using ? (HDMI, Component vid, S-video, co-ax)
Were you as tenacious checking all cables/connections as you were the electronics? Lets rule out this all too often over-looked possibility.
Do you still get the lines with nothing connected to the TV? (no source connected)

Feb 28, 2016 | Vizio E-Series E470I-A0 47" LED TV...

1 Answer

I have a large spot on the right side of the LCD screen, it looks like a large water spot does it mean the VIZIO TV is going out? What can I do to make it disappear.


Not possible.Tv have damages to it LCD screen panel by an object or a person have causes by forced or putting pressure to the tv LCD screen panel itself to causing colors picture pixels and it radiation to died to causing this problems.Sorry it time to buy a new tv,because by replacing the tv LCD screen panel itself will cost u the same as a new tv.Tries buy a new tv from the VIZIO tv corporation directly return the damages LCD panel tv to them,u could get a 5 or 10% off of the tv prices.

Jun 05, 2011 | Vizio VU42L 42 in. LCD TV

1 Answer

I have a 2008, Vizio VO47L 47 in. LCD TV. When I first turn it on, the left side(facing) of the screen is dark. Not completely black just shadowy dark for over an hour. Then it goes away, It used to last...


Faulty T-con board or mainboard (AKA tuner board)...the tapping would make me believe it to be the connection of the LCD panel to the T-con board that is causing the issue! This board is located on the top of the tv while looking down from the back. Replace it and you will be good to go!



Please rate if this helped :)

Mar 08, 2011 | Vizio VO47L 47 in. LCD TV

1 Answer

My Vizio LCD TV screen fades to dark. Sound stays on.


I w having this same issue when watching a Blu-Ray disc. I found it to be dependent upon what picture mode the TV was set to. By this I mean certain picture modes would cause the TV to dim during dark scenes of a movie. Changing the picture mode helped a lot.

Feb 28, 2010 | Vizio VW42LF 42 in. LCD HDTV

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.

Sep 07, 2009 | Vizio VW42LF 42 in. LCD HDTV

1 Answer

Right half of the screen mostly green and red with vertical strip


It sound like there is a problem with the mainboard. What is the model number of the TV?

Feb 05, 2009 | Vizio GV42L 42 in. LCD Television

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