Question about InFocus LP70+ Multimedia Projector
How can I fix this one for Infocus LP70+?
When the vertical lines are displaying, open the projectors menu (by pushing the "menu" button). If the vertical lines affect the menu, it's a problem with the controller board and will need to be repaired. If the menu is NOT affected, it's probably a loose or damaged cable (Cable part# SP-DVI-A-R).
Posted on Nov 21, 2007
SOURCE: infocus projector lp70
in order for the lamp to strike and stay on, the fans and the colorwheel must be spinning and up to speed. if you remove the lamp and start it up, see if the 2 fans are spinning. and look inside to see if the colorwheel (a colored glass disk) is spinning. you'll also be able to hear a high-pitched squeal coming from it. unfortunately, you'll need to take it in to a repair center to have them replaced.
Posted on Jun 03, 2009
the light tunnel is collapsing and need to be replaced. you could get the part from an infocus service center and do it yourself or send it in to one and have them repair it. speaking from experience, it's a quite involved repair. you have to basically take the whole thing apart to get to it, and make adjustment to it really close to the power supply while it's on. kinda risky. either way, try av solutions in ny. they're really good. www.avsolutionsny.com
Posted on Dec 16, 2009
If there is any discoloration like a blueish hue then the light tunnel has collasped. But if it is just plain ol' fuzzy there is a trick you can try. Grab the focus tube behind the focus ring tightly and put some umph into it and completely unscrew the tube from the projector. Look inside the projector with a light and if you see any of the dried glue hanging from where it screws in remove it with some needlenose pliers. Gently shake out any that has fallen inside. Now look at the tube and clean any glue from it. While you have it off look at the back side of the lens and make sure it's clean. Next screw the lens on till it is on the threads but not completely screwed on. Now put 1 hand on the rear of the projector and one on the end of the lens and push the lens into the threads until it pops and then tighten it the rest of the way in but don't over tighten. Get your palm prints off the lens and fire it up and check the focus. Try to look at a screen that has text from corner to corner and see if the text is clear in each corner. If not loosen the barrel again and keep trying to get a different position when reseating the barrel and check each time until the 4 corners of the screen are in focus. When you get it close enough for your satisfaction and have tightened the tube back up the fun part starts.... Now you need to remove the top cover and be sure to break off the 2 airplane tail-fins in the top cover on either side if a tech hasn't already done in the past (they just get in the way when putting the top back on). Once you have the top off you need to super glue the tube back to the part that it is screwed into, just a very thin bead as far around the tube as you can. This will prevent the tube from unscrewing in the future when you are using the zoom adjustment. Let it dry and good luck !!!!
Posted on Nov 11, 2010
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