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marcelsound
Joined: 12 Jan 2012
Posts: 1
Location: veulen, netherlands
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| Posted: Thu Jan 12, 2012 2:03 pm Post subject: sony 1251 help needed |
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Hello
I just picked up a sony 1251, which was built in to a really big projection tv, build in the tv, everything worked great.
I took the projector out and now I'm trying to project on a big screen (5x4 meter or 196x157inch).
MY PROBLEM; I can't focus, do I have to do something with the lenses or do these projectors have a fixed distance??
Thanks for all the help I could get
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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: Thu Jan 12, 2012 2:24 pm Post subject: |
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Here's the manual. Start from page 1 and go forward. Seriously, if you've never set up a CRT, you need to go through the whole manual. they are not plug and play, and will need 3-4 hours of setup, but if the tubes are in good shape, it will show a better image than a lot of digitals. Also read the FAQ, which will teach you about CRTs.
http://www.curtpalme.com/Sony125x_Downloads.shtm
http://www.curtpalme.com/CRTPrimer.shtm
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Fri Jan 13, 2012 7:09 am Post subject: |
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What lenses are on it? They may have been changed.
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HaydnG90
Joined: 22 May 2006
Posts: 1356
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| Posted: Fri Jan 13, 2012 2:30 pm Post subject: |
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| CasetheCorvetteman wrote: | | What lenses are on it? They may have been changed. |
Bingo. I'm guessing the lenses you have were designed for the shorter focal length needed in a rear projection arrangement. Install the correct lenses for front projection and all will be good.
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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: Fri Jan 13, 2012 3:14 pm Post subject: |
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Post a pix of the lenses. If they are LC and you have a rear projection version, you may not find larger lens screens. BTW, 5 X 4m for that set is wayyyyy too big, too big for any CRT projector really.
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