Question about Panasonic PT L720U Multimedia Projector
I looks as if there is a big yellowish brown blob in the middle of the picture you can see through it but the picture is tinted that color.
I have found what causes this problem, there is a red filter before the
transparent lcd. Mine was burned and displaying the colors your are
You need to take the cover off and then you will need to take the circuit board off. Where you see the 3 ribbons cables is the area that's causing this problem.
You will see a tiny screw from the top, unscrew it and remove the red filter, it should be on the ribbon cable with a blue dot. You will probably see that this color filter on the glass has been burnt.
So I thought I could order some heat resistant gel swatches used in theater lighting to correct the color. However these heat resistant swatches are not really heat reisistant. I found that the plane red color worked best but after about 30 seconds it started to discolor the filter I placed in.
So now I'm looking at trying to located a service manual for this.
Posted on Apr 06, 2010
Did you ever find a solution to your yellowish brown blob? I have the same problem with mine here at work.
Posted on Feb 28, 2008
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Posted on Jan 02, 2017
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