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tony359
Joined: 04 Aug 2006
Posts: 378
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| Posted: Sun Oct 01, 2006 10:55 pm Post subject: bubble in CRT glass? |
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From my 1271 green tube.
It's not easy to take a clear shot but I can assure you that the spot in the glycol bubble is an air bubble in the CRT glass.
There are two others in the same glass.
My question is: how is possible that a 20.000$ projector is made with bubble in the glass?????
Bye
A
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cmjohnson
Joined: 03 Apr 2006
Posts: 5180
Location: Buried under G90s
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| Posted: Sun Oct 01, 2006 11:15 pm Post subject: |
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If that IS an actual flaw in the glass...that little dot, that is....as long as it's not in the focal plane, it won't be seen in the projected image. Don't worry about it.
CJ
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tony359
Joined: 04 Aug 2006
Posts: 378
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| Posted: Sun Oct 01, 2006 11:17 pm Post subject: |
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Sure, but seems to me that SONY could arrange a better type glass...
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun Oct 01, 2006 11:40 pm Post subject: |
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One of my tubes in my 1252 has a flaw in the glas of the CRT. Can't see it on screen though. So I don't worry about it.
_________________
Tech support for nothing
CRT.
HD done right!
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tony359
Joined: 04 Aug 2006
Posts: 378
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| Posted: Sun Oct 01, 2006 11:51 pm Post subject: |
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I'm not saying that the bubble can be see on screen, but from a so expensive piece of electronic (at the time!) I would expect not to find bubbles in glass! 
However, nice to hear that is not just me!
Bye
A
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Mon Oct 02, 2006 12:50 am Post subject: |
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Well, just look at the junk that Sony is putting out now. It all started with your glass..
(any fan of Monty Python can insert 'it's a good thing we didn't tell him about the dirty knife' line here)
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fcoutinho
Joined: 19 Oct 2008
Posts: 5
Location: Brasil
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| Posted: Wed Nov 12, 2008 3:46 am Post subject: |
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What if the glass chamber of the glycol is a normal glass that can be bought in any store? (My broken when doing the cleaning of fungi)
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Filipe Coutinho
from Brasil
BarcoVision 708
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Wed Nov 12, 2008 3:48 am Post subject: |
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Cool, another picture for my Sony-crap scrap-book. I bet you can't say that ten times really fast. 
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