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Discontinued projectors - Need material to replace filters

 
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Jeremy112



Joined: 28 Sep 2006
Posts: 2643
Location: Fond du Lac, WI


PostLink    Posted: Sat Jul 12, 2014 2:56 pm    Post subject: Discontinued projectors - Need material to replace filters Reply with quote


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As some of you know I refurbish and service digital projectors. Some of the older ones you can't find anything at all for as far as preventative maintenance parts go such as the filters.

The filters in question are the foam type ones where the foam ages or breaks down from the heat of the projector lamp. Some of these filters can be removed with no negative effect in image quality because they just keep dust out of the PSU section, but some of these have filters for the light path and those are required unless you want your image to look like crap after a couple weeks of use.

So what suggestions do you guys have for material that would make good filter substitutes? I have the plastic pieces to attach the material to, it has to be thin, say about 1/8th to 1/16th of an inch thick at most. I have some thin foam similar to the original stuff but it seems rather cheap to use the same crappy material again.

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jeffslife



Joined: 17 Apr 2010
Posts: 4035
Location: ohio usa


PostLink    Posted: Sun Jul 13, 2014 12:49 am    Post subject: Reply with quote

I don't have a clue. I might try some high flow HEPA grade furnace filter material.
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AnalogRocks
Forum Moderator


Joined: 08 Mar 2006
Posts: 25459
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G


PostLink    Posted: Sun Jul 13, 2014 1:01 am    Post subject: Re: Discontinued projectors - Need material to replace filte Reply with quote

Jeremy112 wrote:
As some of you know I refurbish and service digital projectors. Some of the older ones you can't find anything at all for as far as preventative maintenance parts go such as the filters.

The filters in question are the foam type ones where the foam ages or breaks down from the heat of the projector lamp. Some of these filters can be removed with no negative effect in image quality because they just keep dust out of the PSU section, but some of these have filters for the light path and those are required unless you want your image to look like crap after a couple weeks of use.

So what suggestions do you guys have for material that would make good filter substitutes? I have the plastic pieces to attach the material to, it has to be thin, say about 1/8th to 1/16th of an inch thick at most. I have some thin foam similar to the original stuff but it seems rather cheap to use the same crappy material again.


How timely, I have been looking too. I need to put a filter on my JVC DILA G11. I cleaned the light path. Which is a PITA. Ran the projector for 2 hours and had blobs on the screen again. Grrrrr

I was at Home Depot a couple of days ago looking at various furnace filter material to see which would work best.

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Jeremy112



Joined: 28 Sep 2006
Posts: 2643
Location: Fond du Lac, WI


PostLink    Posted: Sun Jul 13, 2014 1:29 am    Post subject: Reply with quote

Actually that's a great idea. If I had a spare one around here right now I'd use it. I have to hit the hardware store tomorrow anyway for some lumber, so I'll probably pick one up.

Good thinking!! Very Happy

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AnalogRocks
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Joined: 08 Mar 2006
Posts: 25459
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G


PostLink    Posted: Sun Jul 13, 2014 2:44 am    Post subject: Reply with quote

Jeremy112 wrote:
Actually that's a great idea. If I had a spare one around here right now I'd use it. I have to hit the hardware store tomorrow anyway for some lumber, so I'll probably pick one up.

Good thinking!! Very Happy


See I are smart.

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