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Barco SEOS
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gregstv




Joined: 27 Aug 2007
Posts: 628
Location: Australia


PostLink    Posted: Sat Dec 19, 2015 12:49 pm    Post subject: Reply with quote


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Yes I changed one of the amps on the neck boards.
The caps made a big difference to the 808s. The driver boards I am using are rev 3.
I am now looking at using the hybrid chip from the 919 neck board on the 120mhz 808s neck board.
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Sat Dec 19, 2015 1:33 pm    Post subject: Reply with quote

Great work man. Keep it up!
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701s->runco933->8500ultra->hd1->hd350->vw100->cinemax+919sp+3x919+9500mp->cinemax+919sp(modded)+kuro600a
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gregstv




Joined: 27 Aug 2007
Posts: 628
Location: Australia


PostLink    Posted: Sat Dec 19, 2015 9:27 pm    Post subject: Reply with quote

It will be interesting to see if you get simular improvements on the 9 series. One day I will get one to play with.

We watched Avatar last night. It looked totally 3d. Very happy.
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gregstv




Joined: 27 Aug 2007
Posts: 628
Location: Australia


PostLink    Posted: Sat Jan 16, 2016 5:14 am    Post subject: Reply with quote

I broke one of the pins on the little RGB board that plugs into the switcher. So I got some ridged coax and used it to replace all 3 connectors. The boards are now soldered together but it has reduced some video noise.


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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Sat Jan 16, 2016 7:42 pm    Post subject: Reply with quote

Nice! Right now I have this bandwidth on my Seos. Very few changes where made but the difference with unmodified is rather big I wonder how this will look with the ultra sharp focus astig of the Barco.


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701s->runco933->8500ultra->hd1->hd350->vw100->cinemax+919sp+3x919+9500mp->cinemax+919sp(modded)+kuro600a
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gregstv




Joined: 27 Aug 2007
Posts: 628
Location: Australia


PostLink    Posted: Sun Jan 17, 2016 8:12 am    Post subject: Reply with quote

I removed the Gamma Quad Multipliers from the Blue and Red today. That with the coax joiners has improved the 1:1 a little.
I will get some better shots when the camera is charged. I used the phone. The phone makes it look very noisy.



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km987654




Joined: 25 Jul 2007
Posts: 2852
Location: Australia

TV/Projector: Barco BG809s


PostLink    Posted: Sun Jan 17, 2016 8:25 am    Post subject: Reply with quote

gregstv wrote:
I broke one of the pins on the little RGB board that plugs into the switcher. So I got some ridged coax and used it to replace all 3 connectors. The boards are now soldered together but it has reduced some video noise.


Great solution. I have also broken one of those and its been sitting in a box waiting for repair so you have given me an idea on what to do. Why not just connect the coax cables directly?
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Sun Jan 17, 2016 9:18 am    Post subject: Reply with quote

gregstv wrote:
I removed the Gamma Quad Multipliers from the Blue and Red today. That with the coax joiners has improved the 1:1 a little.
I will get some better shots when the camera is charged. I used the phone. The phone makes it look very noisy.


How does that improve green? It is certainly an important thing but those double ad835 ar on red and blue only.

_________________
701s->runco933->8500ultra->hd1->hd350->vw100->cinemax+919sp+3x919+9500mp->cinemax+919sp(modded)+kuro600a
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gregstv




Joined: 27 Aug 2007
Posts: 628
Location: Australia


PostLink    Posted: Sun Jan 17, 2016 9:32 am    Post subject: Reply with quote

redfox001 wrote:
gregstv wrote:
I removed the Gamma Quad Multipliers from the Blue and Red today. That with the coax joiners has improved the 1:1 a little.
I will get some better shots when the camera is charged. I used the phone. The phone makes it look very noisy.


How does that improve green? It is certainly an important thing but those double ad835 ar on red and blue only.



I think the little coax cables between the small board and the switcher board has helped.
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gregstv




Joined: 27 Aug 2007
Posts: 628
Location: Australia


PostLink    Posted: Sun Jan 17, 2016 9:33 am    Post subject: Reply with quote

km987654 wrote:
gregstv wrote:
I broke one of the pins on the little RGB board that plugs into the switcher. So I got some ridged coax and used it to replace all 3 connectors. The boards are now soldered together but it has reduced some video noise.


Great solution. I have also broken one of those and its been sitting in a box waiting for repair so you have given me an idea on what to do. Why not just connect the coax cables directly?


There are diodes on the little board.
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Sun Jan 17, 2016 9:56 am    Post subject: Reply with quote

gregstv wrote:
redfox001 wrote:
gregstv wrote:
I removed the Gamma Quad Multipliers from the Blue and Red today. That with the coax joiners has improved the 1:1 a little.
I will get some better shots when the camera is charged. I used the phone. The phone makes it look very noisy.


How does that improve green? It is certainly an important thing but those double ad835 ar on red and blue only.



I think the little coax cables between the small board and the switcher board has helped.


Hi if you can make some better pictures that would be great. Also I see the 1:1 is mirrored, is it in a corner or on the tube face? Great work! I have to get a screen first thing so I can show them better.

_________________
701s->runco933->8500ultra->hd1->hd350->vw100->cinemax+919sp+3x919+9500mp->cinemax+919sp(modded)+kuro600a
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Sun Jan 17, 2016 10:03 am    Post subject: Reply with quote

I think that with little changes we are getting very close to the Marquee and that shows the Neckboards on a Barco might not be the problem and that a Barco does have the bandwidth.
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701s->runco933->8500ultra->hd1->hd350->vw100->cinemax+919sp+3x919+9500mp->cinemax+919sp(modded)+kuro600a
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gregstv




Joined: 27 Aug 2007
Posts: 628
Location: Australia


PostLink    Posted: Sun Jan 17, 2016 10:15 am    Post subject: Reply with quote

redfox001 wrote:
gregstv wrote:
redfox001 wrote:
gregstv wrote:
I removed the Gamma Quad Multipliers from the Blue and Red today. That with the coax joiners has improved the 1:1 a little.
I will get some better shots when the camera is charged. I used the phone. The phone makes it look very noisy.


How does that improve green? It is certainly an important thing but those double ad835 ar on red and blue only.



I think the little coax cables between the small board and the switcher board has helped.


Hi if you can make some better pictures that would be great. Also I see the 1:1 is mirrored, is it in a corner or on the tube face? Great work! I have to get a screen first thing so I can show them better.



Yes its a corner shot at 1080p@60. The HD8 rev B lens are not to bad when focused correctly.
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