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oliverg
Joined: 15 May 2007
Posts: 800
Location: Melbourne, Australia
TV/Projector: Sony G90 X2 - Vidikron Vision 1
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| Posted: Wed Oct 03, 2007 2:38 am Post subject: Purpose of these screws? (Vision 1) |
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Can anyone tell me about what the screws do in a Vision 1 that just flop around loose? They don't seem to attach to anything and they don't seem to be flap adjusters or anything like that
Thanks in advance guys
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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: Wed Oct 03, 2007 3:09 am Post subject: |
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Scheimpflug. A stupid design by Canadians if I do say so myself, but they are VERY important.
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oliverg
Joined: 15 May 2007
Posts: 800
Location: Melbourne, Australia
TV/Projector: Sony G90 X2 - Vidikron Vision 1
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| Posted: Wed Oct 03, 2007 10:21 am Post subject: |
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If Canadians werre so smart, why didn't make them electronic? 
Thanks mate, you're a star.
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aspec2
Joined: 10 Apr 2006
Posts: 549
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| Posted: Wed Oct 03, 2007 3:04 pm Post subject: |
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| oliverg wrote: | If Canadians werre so smart, why didn't make them electronic?
Thanks mate, you're a star. |
Because even stupid Canadians know that you can't c*ck the lens with electronics and still keep the projector affordable. 8)
They even know how to spell "were". 
I've been wanting to answer this for a while.
Why do kamikaze pilots wear helmets?
To cover their ears so they don't hear the bomb go off.
Oliver, I just want to give you a "YOU SUCK". As my mother would often say, "You fall in a barrel of sh*t and come out smelling like a rose."
Walt
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Wed Oct 03, 2007 3:22 pm Post subject: |
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Guys!
These are are side/side and top/bottom focus bolts; the forward pair (to the right in the picture) are side/side, the recessed pair are top/bottom. One bolt pushes in, the other pulls if needed. Once adjusted, finger tighten the loose one to lock down the adjustment.
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cmjohnson
Joined: 03 Apr 2006
Posts: 5180
Location: Buried under G90s
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| Posted: Thu Oct 04, 2007 3:35 am Post subject: |
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I think you should obtain the operator's manual for a Marquee. It's available as a download. If you can't find it, contact VDC's tech support and they'll send you a link where you can download it from.
It will explain the operation of the Scheimpflug adjustments.
You will note that there are two screws in each of two corners. You loosen one, adjust the other as needed, and then tighten the other one back down to solidly freeze the adjustment in place.
One pair of screws is the horizontal adjustment, the other pair is the vertical adjustment. Use the crosshatch pattern when making
the scheimpflug adjustments. Adjust for no smearing in the corners or edges.
CJ
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oliverg
Joined: 15 May 2007
Posts: 800
Location: Melbourne, Australia
TV/Projector: Sony G90 X2 - Vidikron Vision 1
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| Posted: Thu Oct 04, 2007 5:16 pm Post subject: |
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Thank you all.. (hehe Walt - I suck but I dont smell like excretement
I got 3 new tubes for the Vision 1 for $1600 AUD ($1200 US) - an old friend of my father who used to install CRTs in Australia in boardrooms. He kept a set of tubes he acquired. First he told me they were for an 8500 and they were a rebuild - but they are 9", brand new in the boxes!! I was hoping they were LUGS but I don't think they are - the actual markings aren't on the box or the tubes.
Took my father a long time to work out how to strip the old ones and refit them but he did it. We haven't fired it up yet though, cross your fingers that it works.
Curt said the rebuilds have red necks - these don't!!
Here they are fitted:
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