Question about Optoma EP719 XGA DLP PROJECTOR 2000L 2500:1 CONT DVI-D WITH HDCP Multimedia Projector

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Vertical line My projector model ep719 has vertical line on the left side of the screen. How do I fix it? I have not used my machine much until recently. I have about 40 hours on it. It also just started showing a vertical line a little left of center. Sometimes it merely flickers the text where the line would be and then it will turn into a solid stripe. Unfortunately, I have had the machine over a year and there is no warrantee. If the main board has gone out, this has been a very expensive few hours of life!

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I had the dame problem after disassembly to clean with air. I gave it a little tap on top of unit on the side opposite to the Lens and the lines disapeared. Don't know why. I reassembled the cover and it work fine now. I am not touching it since and it works fine now.
charles

Posted on Jul 18, 2013

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Hi Abouttime

This is unfortunately a sign of Mainbaord damage to any make of Projector.

But do give this a go , you've got nothing to lose.

Try using a different signal cable and then pressing Auto on either the remote of the Projector or the Projector it self once the line appears.

Thanks for using Fixya !

Posted on May 23, 2008

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Posted on Jan 02, 2017

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Optoma EP719. I have a vertical flickering bar. I've tried adjusting the ''Frequency'' with no luck. It worked fine with my computer the last time I used it so I wouldn't think it is a graphic card issue.


I had the same problem and was having no luck but stumbled over this solution. Take the monitor cable going into the back of the projector unscrews the screws holding it in place and then pull out the cable just a fraction. Obviously not enough to pull it all the way out but just enough so it's not rammed all the way in. Flickering line disappears. Not super technical I know but it a solution.

BW

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VERTICAL WHITE LINES


I just read a post that said tap on the top and the line will go away. I tried it on mine and it worked! I had to tap it fairly hard. I just kept tapping harder and harder on the plastic in front of the buttons and voila! The vertical white line disappeared!

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Follow up on the Optima 719 with vertical white line


Hi Abouttime

Tapping can fix most electrical things for a very short while - unexplainable !

But I have been working as a authorised service provider on mos brands of Projectors for over three years now and in all of the times the white line was a faulty Mainboard.

This is just my opinion and I only answer and provide a free service to those who are in need.

Wheter you take my advice or not is entirely up to you.

Kind Regards

Marrie

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Hi there

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The only way of fixing this is replacing or repairing the Mainboard.

This is a common Mainboard failure on Projectors

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My EP719 had the same problem. Did it once, briefly, soon after I bought it, then not again until recently, when the line came back more frequently and wider.

 

The projector was 20 days past warranty, and the company would not honor. So much for customer satisfaction and loyalty. Last piece of Optoma equipment I will ever buy!

 

Anyway, I found a web item on another model of Optoma projector with the same problem. The solution this guy tried was -- I kid you not -- rapping on the thing. With nothing to lose, I tried this on mine. Tapped lightly on the top and noticed a change in the width of the line. Hmmm ... it was sensitive to this.

 

Tapped harder. The line got narrower. Rapped pretty hard -- thump! -- and the line disappeared.

 

Since then I have been running the projector for hours, turning it on and off, letting it cool down, starting it up again. And the line seems to be gone. It may come back, of course, so this gonzo fix may not be permament. But if it works while I'm using it at a presentation, think of the amusement it will cause!

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I have the same problem. Read another blog and they suggested that the tilt of the color wheel could be a problem. I have not had the opportunity to test it, but it may be right as the last time it was used it was okay until the "picture" was elevated (read: the machine was tipped up further). This would be an easy fix if this is the answer... just wanted to pass it on...

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