Question about ViewSonic VA712B 17" Flat Panel LCD Monitor

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Verticle green purple bars

For some reason there are bars in my lcd va712b they are verticle and are purple and green they come out in some colors but you can tell they are there if theres a window open the line turns horizontal on the bar where the minmize and exit are can u guys please help me.

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I have the same damn problem

Posted on Apr 27, 2008

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  • 2 Answers

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Posted on Jan 02, 2017

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How do I repair the color on my Samsung LCD TV. I can still see the picture but 3/4 of the TV goes green/purple/pink and the bottom 1/4 has normal color.


The T con Board or the LCD panel is faulty. Can confirm by replacing the TCON board.
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http://electro-medical.blogspot.com/

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Hello, My Westinghouse ltv32w1 LCD TV is only 2 years old. Sound is fine, picture is not so good: Initially when TV goes on picture is okay, then after 30 minutes, the image breaks up into verticlal...


verticle lines are most likely a bad tube or convergence problem. You will not be able to fix this your self . I suspect a bad convergence ic

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Plasma screens are extremely susceptible to getting broken from any impacts to the face of the screen. What you are describing sound very much like distorted or dead pixels. It may not be a fixable issue, you may have to replace the entire unit or live with the purple bar. The reason you don't notice it as much when the screen is dark is because purple is on the darker end of the spectrum, and will be most visible in contrast to lighter ad brighter colors.

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Dynex 32 lcd hdtv L32-10C color is flashing green and purple


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1 Answer

The images displayed are purple. I sometimes solved the problem by adjusting the focus. Now it remains purple all othe time.


Hello...The problem you're describing is related to the green lcd and most likely the main board(green channel). If the focusing removes the purple(you have *that* much dust in the unit?) then it *is* dust. You should be able to focus on the dust particles twice--dust on the front of the lcd and dust stuck to the back of it. I'm gonna give you the color table so you know what to look for and what you're seeing. Red LCD=cyan(baby blue) onscreen; Green LCD=violet(purple) onscreen; Blue LCD=yellow onscreen
If you have a lot of dust(and the green lcd usually is the main culprit by the design of the lcd panels around a glass "cube" internally) you might try blowing some air into the unit when it's cool. However, the unit probably needs a good cleaning--remember to clean the dust filter! To properly clean the unit, a trained tech will have to perform the job. The lcd panels are DELICATE and precisely positioned for displaying a sharp image.

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1 Answer

Green/blue/purple vertical bars on my viewsonic va712b


you're video card is failing, try the secondary port if you have one, artifacting such as different colors, shapes and lines are VGA related, you need a new VGA card and for more info contact http://tinyurl.com/m7ghqz

Jun 18, 2009 | ViewSonic VA712B 17" Flat Panel LCD...

3 Answers

Polaroid LCD only shows green verticle lines?


your picture tube is not blown you are having problem in the color circuit there is an ic that controls that circuit,the tv is also having a vertical problem an ic also controls that circuit you will have to call a tech to repair your tv good luck

Apr 27, 2007 | Polaroid FLM-2011 Television

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