Question about Panasonic PT-LB50U Multimedia Projector

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I have a panisonic pt-lb50ntu Projector. It will only focus the center of the image. When you adjust the focus to the bottom of the image the top and center are out of fucus. The same goes for focusing on the top.

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Is the picture a perfect rectangle shape on the screen. If not then either adjust the angle of the screen, or use the keystone function on the menu to correct it.
Does it still not focus correctly after doing this

Posted on Mar 16, 2011

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Panasonic PT LB50NTU - LCD projector need to connect to my IMAC - what cord do I need?


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I have a Panasonic PT-AX200 LCD Projector. It is mounted on the ceiling. I need to know how to focus the screen without climbing up to the machine itself to do it. Is there a way to find the focu using the...


Hi,
I'm afraid, no remote option available to focus image of this projector and has to do manually. Check projector Menu and select Test Pattern for optimum focus and it would be one time job if projector and screen distance has not been changed.

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DIRECTLY BEHIND THE FOCUS DIAL IS A SERRATED COLLAR TO ADJUST ZOOM SETTING TURN LEFT AND/OR RIGHT THEN REFOCUS

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The orientation of your projector can be setup from the "Option" menu. You may need to select the "FRONT" and "CEILING" options to display the correct orientation of the image.

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Hi there

This could either be a bit of dust on the inside of the lens or the LCD's

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Panasonic pt-lb50ntea password problem


Hi Nexus

The unfortunate thing is that you cannot reset the password on this Projector externally. You will have to take it to a Panasonic repairer becausethey use software to reset the password.

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I've posted this solution several times but here goes. Try setting up the convergence through the menu by accessing the convergence setup menu. If this fails to work you have a bad digital convergence box and need a tech to replace it. About $60 to $100 fix.

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