Question about InFocus ScreenPlay 4805 Multimedia Projector

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Removal of Lens housing

I am trying to get in to clean my fans but I am having trouble getting past the lens housing. Does it just screw off, because I cannot seem to get it loose. I do not want to break the housing, does anyone have any experience with this?

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  • the5golds Jan 12, 2009

    I want to be able to open the projector housing so that I can give the fan a good clean before I put in a new bulb

  • sagertronics May 11, 2010

    If you are referring to the removal of the zoom and focus ring's... They can be simply pulled straight off. You can use a medium to small straight screwdriver to gently pry them off being careful to keep them as straight as possible (distribute the prying force evenly) There are no screws etc.

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You can't get the front off without taking the top and back off. first, unscrew the 4 brass screws and 4 silver screws from the bottom and the 2 or 3 silver screws from the back. there are 3 clips that you can see through the vents at the top of the rear panel. use a small flathead screwdriver to unclip them and pull the back off. now unplug the plugs on both sides in the back. as you pull the pot up from the rear, pull out the bottom of the front panel and it'll come out as one piece. now you can give it all a good cleaning. use canned air. it's dry and there are no particles in it. when you replace the parts, detatch the front from the top using a pair of needle-nose pliers and unclip the front. put the top on first, plug in the plugs, then put on the front and back, and replace the screws.

Posted on Dec 08, 2009

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There are two rings, the inner focus and the outer zoom. They are just friction fit, pull the inner focus off first then the outer zoom then you can take the front off.

Posted on Dec 08, 2009

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Posted on Jan 02, 2017

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1 Answer

How do you use a NEXXTECH Laser Lens Cleaner?


The NexxTech Laser Lens Cleaner uses six super-soft brushes to ensure thorough and reliable cleaning, without harming the delicate optical components of your disks. Enjoy your DVDs more and improve your music archive by cleaning your optics in your CD or DVD ROM. The easy-to-use audio instructions walk you through the cleaning process from start to finish. This laser lens cleaner process will prolong the life of your disc player, improve visual clarity and sound quality. Features
  • Works on CD, DVD, Blu-ray - all optical drives
  • The six brush system cleans off the entire laser lens
  • Will not damage sensitive optical components
  • Includes easy-to-use audio instructions

How to Clean the Laser Pickup Lens on your DVD Player X missing_author_image.png eHow Electronics Editor This article was created by a professional writer and edited by experienced copy editors, both qualified members of the Demand Media Studios community. All articles go through an editorial process that includes subject matter guidelines, plagiarism review, fact-checking, and other steps in an effort to provide reliable information. By an eHow Contributor

Is your DVD player malfunctioning? If you're getting a no-disc error, you may need to clean the DVD player's laser pickup. The laser pickup is what reads DVD's and allows you to view them on your TV. If you need to clean the laser pickup lens on a DVD player, follow these simple steps.
Difficulty: Moderate Instructions things you'll need:

  • Isopropyl alcohol
  • DVD lens cleaner
    • 1 Make sure the laser pickup lens is actually the problem. There are a wide variety of reasons that a DVD player might not read a disc efficiently. The disc could be scratched or dirty, for example. Test the DVD player with a disc that you know works before trying to clean the lens.
    • 2 Purchase or borrow a lens cleaner disc and try it first. You can find these things really cheap at any large department store. They usually get the job done well. However, you may need to clean the lens manually if the store-bought cleaner fails.
    • 3 Remove the outer casing of the DVD player. Remove the screws that mount the top casing onto the bottom of the DVD player and slide the top casing off. This will expose the DVD deck, which houses the laser pickup lens.
    • 4 Find the lens. The lens will be glass and under the DVD clamp. The lens will probably have a blue tint to it. If you are having trouble finding the lens, you could shine a light on the components and watch for the reflection.
    • 5 Use a cotton swab and some isopropyl alcohol to gently wipe the lens. Just a quick scrub will do. Dry the laser pickup lens with the other end of the swab.
    • 6 Give the lens a few seconds to dry and replace the covering of the DVD player. Test the efficiency of the player. If necessary, repeat the process.

May 05, 2011 | Televison & Video

1 Answer

What is the secret to getting the rear lens off to replace the brake light bulb? Removal of the torx screws just loosens it, removal of the lens must have a secret?


Once you have the screws out, the whole housing unit will have to be pulled out. Just the lens won't come off. Sometimes you will have to give it a slight hard pull to get it out. If you still have trouble, check out youtube on how to remove tail light.

Jul 04, 2010 | 2002 Jeep Liberty

1 Answer

How do I replace the passenger side corner light and front side turn signal light?


Front Turn Signal & Parking Lights


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Remove the 2 parking light housing retaining screws ...


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... then pull the housing away from the vehicle far enough to remove the bulb socket from behind the housing. Turn the socket counterclockwise and pull


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Push the bulb in the socket gently and turn clockwise, then pull the bulb out of the socket. Note the offset retaining ears on each side of the bulb


  1. Remove the screws from the lens and separate the lens from the headlight bezel.
  2. Remove the headlight bezel.
  3. Remove the screws from the turn signal housing and pull it out.
  4. Turn the bulb socket counterclockwise 1/3 turn and remove it.
  5. Installation is the reverse of removal.


Side Marker Lights
  1. Remove the screws from the marker lens and separate the lens from the headlight bezel.
  2. Pull the bulb from its socket in the back of the lens.
  3. Installation is the reverse of removal.

Feb 14, 2010 | 1997 Jeep Grand Cherokee

2 Answers

Need to replace bulb in tail light on 2001 150 FORD pickup


drop tail gate ,,their should be two screws on tail gate seam,,remove them,,tilt lens out,,

Feb 13, 2010 | 2001 Ford F150 Styleside SuperCrew

2 Answers

Replace rear window brake light bulb


I just had to do this, and it isn't all that easy or quick. First, gently work the gray, carpet like cover loose from the area around the tail light ,(this may give you a little trouble). Once you have done this, you will see three silver nuts. These must be unscrewed. The lower left nut must be accessed through a hole next to where the trunk lid fits. (The screws are permanently attached to the lens housing so will not drop into obscurity when the nuts are removed). After removing the nuts, GENTLY work the lens housing away from the car. You may need a screw driver to unseat the housing, but just be gentle.

You will find three bulbs inside the lens. The brake light bulb is on the lower right side. Simply pull the old bulb out and insert the new one.

Just reverse these directions to reassemble the housing.

May 04, 2009 | 2002 Lincoln LS

1 Answer

How do I clean the laser of a coby 224 dvd player?


Step1Make sure the laser pickup lens is actually the problem. There are a wide variety of reasons that a DVD player might not read a disc efficiently. The disc could be scratched or dirty, for example. Test the DVD player with a disc that you know works before trying to clean the lens. Step2Purchase or borrow a lens cleaner disc and try it first. You can find these things really cheap at any large department store. They usually get the job done well. However, you may need to clean the lens manually if the store-bought cleaner fails. Step3Remove the outer casing of the DVD player. Remove the screws that mount the top casing onto the bottom of the DVD player and slide the top casing off. This will expose the DVD deck, which houses the laser pickup lens. Step4Find the lens. The lens will be glass and under the DVD clamp. The lens will probably have a blue tint to it. If you are having trouble finding the lens, you could shine a light on the components and watch for the reflection. Step5Use a cotton swab and some isopropyl alcohol to gently wipe the lens. Just a quick scrub will do. Dry the laser pickup lens with the other end of the swab. Step6Give the lens a few seconds to dry and replace the covering of the DVD player. Test the efficiency of the player. If necessary, repeat the processalso click this link for more help http://www.ehow.com/Search.aspx?s=How+do+I+clean+the+lens+of+a++dvd+player%3F&Options=0

Nov 29, 2008 | Coby DVD-224 DVD Player

2 Answers

I put in dvd but it won't play it just goes around inside the pla


first check you any other disc in the dvd player.then also try the same dvd disc in any other player.then confirm exactly the problem.if its the dvd player that is having the problem then it must be because of faulty lens just follow this instructions. Step1Make sure the laser pickup lens is actually the problem. There are a wide variety of reasons that a DVD player might not read a disc efficiently. The disc could be scratched or dirty, for example. Test the DVD player with a disc that you know works before trying to clean the lens. Step2Purchase or borrow a lens cleaner disc and try it first. You can find these things really cheap at any large department store. They usually get the job done well. However, you may need to clean the lens manually if the store-bought cleaner fails. Step3Remove the outer casing of the DVD player. Remove the screws that mount the top casing onto the bottom of the DVD player and slide the top casing off. This will expose the DVD deck, which houses the laser pickup lens. Step4Find the lens. The lens will be glass and under the DVD clamp. The lens will probably have a blue tint to it. If you are having trouble finding the lens, you could shine a light on the components and watch for the reflection. Step5Use a cotton swab and some isopropyl alcohol to gently wipe the lens. Just a quick scrub will do. Dry the laser pickup lens with the other end of the swab. Step6Give the lens a few seconds to dry and replace the covering of the DVD player. Test the efficiency of the player. If necessary, repeat the process.

http://www.ehow.com/Search.aspx?s=How+do+I+clean+the+lens+of+a++dvd+player%3F&Options=0

Nov 28, 2008 | Coby DVD-224 DVD Player

1 Answer

How to access front turn signal for replacement


Here you go, removal & installation of:

Front Parking/Turn Signal Lights:
  • Remove the screws from the the lens and separate the lens from the bezel
  • Remove the screws from the turn signal housing and pull it out
  • Turn the bulb socket CCW 1/3 turn and remove it
  • Installation is the reverse of this procedure
Side (Front) Marker Lights:
  • Remove the screws from the marker lens
  • Separate the lens from the headlight
  • Pull the bulb from the back of the lens
  • Installation is the reverse of this procedure
Hope this helps

Mike

Jul 06, 2008 | 1995 Jeep Grand Cherokee

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