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jeffslife
Joined: 17 Apr 2010
Posts: 4190
Location: ohio usa
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| Posted: Mon Jul 14, 2014 1:56 pm Post subject: Changing g70 from floor to ceiling |
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I am getting ready to install a g70 in the other side of my basement as I said before. My concern is that it is set up as a floor mounted and I want to make it ceiling mounted. Will that change the way the image is on the tubeface ? Will I have parts of the image on the screen that are in new phosphor ? Creating brighter and darker areas in the image ?
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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 Jul 14, 2014 2:07 pm Post subject: |
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Yes, there`s no getting around that due to the keystone image on the tube face. Either live with a bit of brighter phosphor on the left and right areas, or shrink the image to be completely within the wear area, and wear the tubes out a bit faster.
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ecrabb
Forum Moderator
Joined: 13 Mar 2006
Posts: 15909
Location: Utah
TV/Projector: JVC RS40, Epson 5010
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| Posted: Mon Jul 14, 2014 2:25 pm Post subject: |
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Curt's right in that the problem is usually that keystone changes quite a bit. For instance in my room, my screen is about a foot from the ceiling and probably 2.5 feet from the floor. If I wanted to move from ceiling to floor and not change keystone, I'd have to move my screen down to be a foot off the floor.
Curt's suggestion about just moving the projector back a bit is probably the best. The good thing is that it's likely you'll have a little *less* keystone ceiling-mounted, so you might be OK, actually. I think it's better going from floor to ceiling than the other way around. You'll just have to mount the G70 a little further back. I'd just mount it on unistrut so you have a foot or 18 inches of flexibility in either direction from your current floor mount location, and you should be covered.
Cheers,
SC
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