Dust *IN* the lens? - Page 2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #11 of 12 Old 01-16-11, 02:13 PM
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Bob
 
Join Date: Jan 2010
Location: Idaho
Posts: 452
Re: Dust *IN* the lens?

Glad it worked out for you. Once you've done the procedure and get a feel for it, it isn't so intimidating, but I'm still set back with all the edge connectors which have to be disconnected in the AE2000, and removing the PC board more than once just multiplies the risk there. I'm like you. I had a good collection of dust spots going after 2 years of use and finally said "that's it", and bit the bullet. After cleaning, I had only one very slight blob left, of which I'm sure, I'm the only person that will ever notice it. Actually, I have to be looking for it, before I can see it, so I consider the job a good success.

Greg has a good point. It amazed me how much dust was in the "inner sanctum" of the projector when I first opened it. I did a thorough vacuuming after lifting the cover, and again, when the inner shroud was removed. The inner area should be protected by the air filter and positive pressure, but it still had significant dust on most of the plastic parts (which, fortunately, seem to hold onto it). Vacuuming cannot be overrated to get this potential problem out of the innards, as long as you're in there. Some of the dust clings tenaciously and a "sticky" cloth will help wipe it off the areas where the vacuum doesn't get it. The reason I mentioned vacuuming the filter holder while the filter is out, is because removing the filter dislodges a bit of dust on the wrong side of the filter, and unless it is removed, it will be sucked into the projector, the next time it is powered. I both vacuum and reverse blast (in that order) the filter while it is out, and then give it one more vacuuming before putting it back in (good procedure any time you clean the filter).

Anyway, glad you were successful. Notably, it's been about 6 months since I did mine and the only spot I have is the almost invisible one that I had right after the procedure. I'm not going back after that one!
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post #12 of 12 Old 01-16-11, 05:41 PM Thread Starter
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patchesj
 
Join Date: Jun 2009
Posts: 372
Re: Dust *IN* the lens?

OK, so I lasted a few hours before I went insane.. Took it back apart, blasted the optics again with air. No blobs anywhere... Woot. Thanks again!
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