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Connecting a Turbo Color to HDMI/digital LCD
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cbrunschen



Joined: 09 May 2011
Posts: 39

PostPosted: Tue Feb 20, 2018 4:23 pm    Post subject: Reply with quote

chrisrot wrote:
I just purchased one form my Amigas. I'll give it a try on my NeXT once I soldered it.


Please it would be great to see if it does in fact work!
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chrisrot



Joined: 24 Dec 2015
Posts: 20

PostPosted: Mon Mar 26, 2018 12:06 pm    Post subject: Reply with quote

Hi,

I finally soldered my OSSC and it works. Soldering was not too difficult except for two little ESD-protection diodes.
However, I suggest to by the preassembled system because the cost of the pcb and all the parts is nearly the sasme as the preassembled boards.

It works with my NeXT. Both grey and Dimension outputs. The picture quality on a Dell 27" is quite good, but not as crisp as with my NEC LCD2080UX monitor. However, I haven't played with all the settings yet, maybe the quality can be further increased.

I have taken a couple of pictures. How can I post them here ?

ciao
Christoph
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cbrunschen



Joined: 09 May 2011
Posts: 39

PostPosted: Tue Mar 27, 2018 11:32 am    Post subject: Reply with quote

chrisrot wrote:
Hi,

I finally soldered my OSSC and it works. Soldering was not too difficult except for two little ESD-protection diodes.
However, I suggest to by the preassembled system because the cost of the pcb and all the parts is nearly the sasme as the preassembled boards.

It works with my NeXT. Both grey and Dimension outputs. The picture quality on a Dell 27" is quite good, but not as crisp as with my NEC LCD2080UX monitor. However, I haven't played with all the settings yet, maybe the quality can be further increased.


Cool! That means there's now another (slightly more future-proof than having to rely on outdated monitors) path Smile

chrisrot wrote:
I have taken a couple of pictures. How can I post them here ?


You could upload them to https://imgur.com/ and then link to them here?

chrisrot wrote:
ciao
Christoph
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krazycat



Joined: 18 Feb 2017
Posts: 35
Location: Europe

PostPosted: Tue Mar 27, 2018 2:37 pm    Post subject: Reply with quote

chrisrot wrote:
Hi,

I have taken a couple of pictures. How can I post them here ?



Try postimage.org: it's free and for an occasional use you can use it even without creating an account.
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chrisrot



Joined: 24 Dec 2015
Posts: 20

PostPosted: Sun Apr 01, 2018 10:25 am    Post subject: Reply with quote

Ok, here we go. My NeXT and the OSSC.... Smile

First some pictures of the PCB. Top side, a few parts were not populated at this stage.

And a zoom onto the HDMI protection diodes. They are realy tiny and have no pins...


Now some "screenshots" from my Dell 27" monitor. Let's start with the grey output of my cube. The Moire is due to scaling of the picture. It's not visibile on the screen.

And a 100% crop into it

The image quality is quite good, but not perfectly sharp. But this might be due to the interpolation of the monitor. The image is stable and without noise.

The output of the Dimension looks similar. The vertical stripes are again Moire, they are not visible to the eye.

And a 100% crop into it


With the dimension I made comparison shots with it directly connected to a NEC LCD2080UX.

And a 100% crop into it

The picture quality with the NEC LCD2080UX is a bit better. However, I didn't play with the dozens options the OSSC has to offer. Maybe one can enhance the picture quality with the OSSC further.
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barcher174



Joined: 07 Dec 2012
Posts: 604

PostPosted: Sun Apr 01, 2018 12:50 pm    Post subject: Reply with quote

Wow that actually looks really good.
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Rob Blessin Black Hole
Site Admin


Joined: 05 Sep 2006
Posts: 684
Location: Ft. Collins, Colorado

PostPosted: Wed Apr 04, 2018 2:36 pm    Post subject: Reply with quote

Hello NeXT Community: I know all will love this project, we are going to come in over the top of the 68040 processor and need your help , it is the Vampire man and porting it to NeXT hardware! Boom, it will potentially increase our performance by 300 to 400 % looking at the Amiga demos ...... a true game changer for NeXT hardware imho http://www.nextcomputers.org/forums/viewtopic.php?t=4201 who is with us!
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Rob Blessin President computerpowwow ebay sales@blackholeinc.com http://www.blackholeinc.com
303-741-9998 Serving the NeXT Community since 2/9/93
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chrisrot



Joined: 24 Dec 2015
Posts: 20

PostPosted: Thu Apr 05, 2018 12:41 pm    Post subject: Reply with quote

One additional information.
The Video-ADC gets really hot and looses sync after a couple of minutes.
When I cool it down with my fingers , the ADC syncs again. I will add a small fan.
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