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 Post subject: Re: XRGB-3
PostPosted: Sun Nov 27, 2016 10:27 am 


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Joined: 06 Mar 2006
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Location: Germany
Quote:
Does the neo geo mvs work fine with an xrgb-3 by now?

it's fine, but in B1 mode the XRGB will output the same refresh rate it sees on the input and wether your display will be able to show 480p59.15Hz is another question. Mine did (when I still used the XRGB-3) but introduced a framerate conversion which causes a little hiccup every once in a while.


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 Post subject: Re: XRGB-3
PostPosted: Tue Nov 29, 2016 8:08 pm 


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This black crush I killing me, I've messed with the gamma settings all day and can't get rid of it, this is super noticeable in dark scenes in tomb raider 2, especially when I compare against screenshots of the same game in the same room online


Could the psu going bad or being faulty possibly be the cause of this? I believe I have one of the newer ones and not the fatter fist gen ones. Anyone know what's going on?
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 Post subject: Re: XRGB-3
PostPosted: Tue Nov 29, 2016 9:16 pm 


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To what monitor are you connectiong ? Through native VGA or some kind of converter in between ? Maybe the black crush is happening after the XRGB-3. I don't recall having any problems with this in particular.


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 Post subject: Re: XRGB-3
PostPosted: Tue Nov 29, 2016 10:08 pm 


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Can the XRGB-3 AC Adapter handle being fed 115V?


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 Post subject: Re: XRGB-3
PostPosted: Tue Nov 29, 2016 10:33 pm 


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Fudoh wrote:
To what monitor are you connectiong ? Through native VGA or some kind of converter in between ? Maybe the black crush is happening after the XRGB-3. I don't recall having any problems with this in particular.



Xrgb3 > extron 203 > audio authority 9a60 > Sony w800b

I've already doubled the red blue and green gamma and that helped with overall brightness but not black crush
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 Post subject: Re: XRGB-3
PostPosted: Tue Nov 29, 2016 10:34 pm 


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Lawfer wrote:
Can the XRGB-3 AC Adapter handle being fed 115V?

I've been using my XRGB3 with its original AC adapter on U.S. house mains (~115V) just fine.
It's uncommon for things in the '90s and later to not be able to regulate out the ~15V RMS difference between Japan and U.S. mains voltage, especially for a little switching power supply like this.

Laughingman.s9 wrote:
I've already doubled the red blue and green gamma and that helped with overall brightness but not black crush

You want to find some form of bias (brightness). Gamma is only a simple transfer function without any static bias, so it won't raise the black level. In your case, the black level is seemingly negative, if you are losing details that should be visible.


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 Post subject: Re: XRGB-3
PostPosted: Tue Nov 29, 2016 10:39 pm 


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mikejmoffitt wrote:
I've been using my XRGB3 with its original AC adapter on U.S. house mains (~115V) just fine.
It's uncommon for things in the '90s and later to not be able to regulate out the ~15V RMS difference between Japan and U.S. mains voltage, especially for a little switching power supply like this.


Thank you.


Laughingman.s9 wrote:
Fudoh wrote:
To what monitor are you connectiong ? Through native VGA or some kind of converter in between ? Maybe the black crush is happening after the XRGB-3. I don't recall having any problems with this in particular.


Xrgb3 > extron 203 > audio authority 9a60 > Sony w800b

I've already doubled the red blue and green gamma and that helped with overall brightness but not black crush


Have you tried seeing if it changes anything if you change your TV RGB Range settings between "Full" and "Limited"?


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 Post subject: Re: XRGB-3
PostPosted: Wed Nov 30, 2016 12:54 am 


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Laughingman.s9 wrote:
I've already doubled the red blue and green gamma and that helped with overall brightness but not black crush

You want to find some form of bias (brightness). Gamma is only a simple transfer function without any static bias, so it won't raise the black level. In your case, the black level is seemingly negative, if you are losing details that should be visible.[/quote]


So how do I go about rectifying this? Because I'm at a total loss right now

Laughingman.s9 wrote:
Fudoh wrote:
To what monitor are you connectiong ? Through native VGA or some kind of converter in between ? Maybe the black crush is happening after the XRGB-3. I don't recall having any problems with this in particular.


Xrgb3 > extron 203 > audio authority 9a60 > Sony w800b

I've already doubled the red blue and green gamma and that helped with overall brightness but not black crush


Have you tried seeing if it changes anything if you change your TV RGB Range settings between "Full" and "Limited"?[/quote]

I'm not even sure that's allowed on the component inputs, but let's say hypothetically I can set it to limited, how do I go about setting matching settings on the xrgb-3?
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 Post subject: Re: XRGB-3
PostPosted: Sat Feb 18, 2017 8:28 pm 


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Location: San Jose area
Fudoh wrote:
Quote:
Does the neo geo mvs work fine with an xrgb-3 by now?

it's fine, but in B1 mode the XRGB will output the same refresh rate it sees on the input and wether your display will be able to show 480p59.15Hz is another question. Mine did (when I still used the XRGB-3) but introduced a framerate conversion which causes a little hiccup every once in a while.


I appear to be in this situation.

My cab has a Wells Gardner D9200 in it. In low res mode almost none of my games worked because it hated the sync they were sending it. Between MVS, CPS2, various generations of Cave games and several other random PCBs, only the PGM generation Cave games would work (DDP DOJ, Ketsui, etc).

So I grabbed an xrgb3, switched the monitor to VGA mode and now everything works ... except MVS.

All in all a huge improvement so not too sad. But if anyone has any ideas on how to get an MVS to work on this thing, I'd love to hear em.

Oddly my AES works fine. I'm guessing since the AES is consumer oriented, SNK made sure it put out a more standard sync rate.


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 Post subject: Re: XRGB-3
PostPosted: Sat Feb 18, 2017 9:10 pm 


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Oddly my AES works fine. I'm guessing since the AES is consumer oriented, SNK made sure it put out a more standard sync rate.

yes, the AES is running closer to standard NTSC Specs (a tiny bit faster than the MVS). You might want to look into a clock replacement for your MVS - essentially speeding it up as well.


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 Post subject: Re: XRGB-3
PostPosted: Sat Feb 18, 2017 9:23 pm 


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Location: San Jose area
Fudoh wrote:
Quote:
Oddly my AES works fine. I'm guessing since the AES is consumer oriented, SNK made sure it put out a more standard sync rate.

yes, the AES is running closer to standard NTSC Specs (a tiny bit faster than the MVS). You might want to look into a clock replacement for your MVS - essentially speeding it up as well.


You mean replace the crystal to overclock it? That would increase the sync rate as well? interesting.


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