Question about Vizio VW46LFHDTV10A 46 in. LCD TV

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I have a Vizio VW46L 46 in plasma right side of screen goes black then the whole screen starts flickering and has vertical lines on up part of screen stay for hours! Help

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  • Vizio Master
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There are so many reasons for this fault to a Plasma display, irrespective of its brand. If you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window. Faulty display screen-shots to plasma display is given by illustrations. You can compare it to that of your TVs' and can make sure about the fault.

Posted on Oct 21, 2013

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Posted on Jan 02, 2017

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DrewPalmer04
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SOURCE: i have a vizio 46

I would suspect the backlight inverter is faulty:

I would try to look on the power supply first for popped capacitors that supply the 24v rail for the backlight inverter.

Having sound is a positive when it comes to repair. This means that only your screen is not lighting.

If you repair the 24v line and check the 5v feed also going to the BN_on (on) the backlight inverter and you still have no picture...you will need a new inverter.

This could also be the CCFL bulbs that are aging and need replacement. Those are around $20 each for a bulb

Hope this helps! Please rate :)

Posted on Mar 14, 2011

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1 Answer

Vizio VW46LFHDTV10A vertical lines on either side of the screen. I tapped screen and left side lines disappeared.


If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Oct 27, 2016 | Vizio VW46LFHDTV10A 46 in. LCD TV

1 Answer

Black vertical lines comes and goes on my 46" BRAVIA LCD TV. Lately the lines stay there longer. It is mounted to a wall and after about 3 years this started.


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts
See the site in magazine view.

Jul 02, 2016 | Sony KDL-46XBR5 46 in. LCD HDTV

1 Answer

Vizio vertical line


If you wish to get some details; visit the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Apr 03, 2017 | Televison & Video

1 Answer

I have a vizio 46 in lcd model # VW46L FHDTV10A and it started with the whole left side going dark and then it would get better after an hour or two. then about a week later the entire left side of the...


I would suspect the backlight inverter is faulty:

I would try to look on the power supply first for popped capacitors that supply the 24v rail for the backlight inverter.

Having sound is a positive when it comes to repair. This means that only your screen is not lighting.

If you repair the 24v line and check the 5v feed also going to the BN_on (on) the backlight inverter and you still have no picture...you will need a new inverter.

This could also be the CCFL bulbs that are aging and need replacement. Those are around $20 each for a bulb

Hope this helps! Please rate :)

Mar 14, 2011 | Vizio VW46LFHDTV10A 46 in. LCD TV

1 Answer

My vizio tv model vw46L gets a gradient black box covering about 1/2 of the tv screen (left side) sometimes it lasts for a few seconds or a few minutes. It only happens every now and then (5 - 10 times a...


If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size

Aug 08, 2017 | Vizio VX37L Television

1 Answer

I have a vertical black line on the middle of the


You have A buffer board out if the line goes up and down then its the long board going left from right look were the line is and see what board the line lines up on the screen and replace that one

these boards are the closet to the edge of the tv

same process if the line goes across the screen

look for the part number on the board and search with google or go to shopjimmys.com and seach there or call them

Oct 19, 2009 | Vizio Televison & Video

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.

Sep 22, 2009 | Vizio P2 42 in. HD-Ready Plasma Television

1 Answer

Red line down right side of screen


I would have a tech come out and look at it. Sometimes the ribbon connectors from the upper or lower buffer boards have poor or corroded contacts. Should'nt be a major deal since it comes and goes.

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2 Answers

VIZIO P42hd PS42a plasma Picture has two vertical lines (one red/orange, one blue) going down the right-hand side of the screen. Lines are clearly visible


The panel is almost certainly bad. The only fix for this is to replace the whole panel which would cost more than the whole TV.

Mar 30, 2009 | Televison & Video

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