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Sonynut
Joined: 08 Aug 2006
Posts: 367
Location: Bradford,PA
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| Posted: Sun Nov 25, 2007 10:04 pm Post subject: RGB passthrough on Sony 12xx?? |
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Reading about RGB passthrough in another thread just made me remember something I once read....
Doesn't one of the input cards for the Sony 12xx series have a setting to output the RGB signal to another machine? All I have are IFB-11's and one IFB-12. If this is possible in some way, it would make hooking up my stack MUCH easier... IF it is even possible to get the projector to send the signal back through the other input slot.
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Sonynut
Joined: 08 Aug 2006
Posts: 367
Location: Bradford,PA
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| Posted: Mon Nov 26, 2007 6:55 pm Post subject: |
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Bump:) Anyone?
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Mon Nov 26, 2007 7:19 pm Post subject: |
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i'm not a Sony guy but i've been on the forum on a long time and never actually read of an RGB pass-through from sony. AFAIK, electrohome was the only compnay that actually designed in a stacking ability into their CRT's and it's actually discussed in the factory service manul. Sooo, it sounds like you need to move up from those 12XX series and get a pair of Marquee's  Either that or an external signal spliter of some sort?
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jkruger
Joined: 24 Oct 2007
Posts: 2435
Location: Carlsbad, CA
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| Posted: Mon Nov 26, 2007 7:40 pm Post subject: |
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Isn't it possible to just use some bnc tee connectors and feed both pj's from one line?
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Mon Nov 26, 2007 7:43 pm Post subject: |
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I read that the IFB-12A has a switch on it for that purpose. You can have multiple IFB's sending the RGB out to other monitors. I'm looking for it now.
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Mon Nov 26, 2007 7:54 pm Post subject: |
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| jkruger wrote: | | Isn't it possible to just use some bnc tee connectors and feed both pj's from one line? |
i'm sure it's possible to get 2 images that way but we're talking about converging 6 CRT tubes for coherent video. In order to split the image without inducing ghosting, ringing, and a slew of other potential problems you need a cicruit with built in buffers that can do this cleanly. The Marquee RGB pass-through card is by no means a complex circuit but it's more than just an electrical Tee.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Mon Nov 26, 2007 8:00 pm Post subject: |
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I think this is what your looking for. Apparently it is SW2. If the pic is not clear enough I will try to put a clearer one on. Good Luck!!!
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311.81 KB |
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3818 Time(s) |
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Sonynut
Joined: 08 Aug 2006
Posts: 367
Location: Bradford,PA
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| Posted: Mon Nov 26, 2007 8:28 pm Post subject: |
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I can read them just fine  This seems to be what I am looking for, and I believe that this is what I heard about .
Thanks a bunch 
Now if the 1272 will let me use input B as an out that'll be great
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Mon Nov 26, 2007 9:18 pm Post subject: |
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I do have the block diagram schematics for the 12 and 12A boards if you need them but they are to large to post here. I would have to email.
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