gscartsw RGB-SCART project

Discussion in 'General Gaming' started by superg, Feb 25, 2014.

  1. airs

    airs Spirited Member

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    You have a physical switch in line to change between CSYNC and Composite Video? Can you post a pic of your SNES Mini internals with your mods?
     
  2. mickcris

    mickcris Site Supporter 2014,2015

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    Yeah, there is a switch. I bought it off of ebay like this. It is getting csync directly from the chip so possibly that is different than yours? But like I said, it works perfectly fine using csync directly into the xrgb-mini so i'm thinking its probably not a problem with my console. Also both of my n64s act the same way. One n64 is set up like the snes mini with a csync/composite video switch (bought from the same person) and the other I modded myself and it is wired up normally with cysnc to its correct multiout pin.

    Here's a couple pics. I was having trouble getting a clear image with my phone camera:
    http://imgur.com/qj8GLwO
    http://imgur.com/a3UkxZm
     
  3. drbananahammock

    drbananahammock Active Member

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    I'm very interested in one of these, but I have just one question that I haven't been able to determine for sure, here or on shmups's forum. I have all JP21 cables running to the XRGB Mini. Is this a problem when using this switch and will I need the SCART versions? All of my cables have come retro_console_accessories and they are all JP21 wired.

    If I can use the JP21 cables I have, I will definitely take one of these the next time they're available.
     
    Last edited: Jul 3, 2014
  4. superg

    superg Site Supporter 2013,2014,2015. Tape Drive Donor.

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    Yes, it's a problem, JP21 is incompatible.
    It requires different PCB and I don't have any plans to support it.
     
  5. airs

    airs Spirited Member

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    Yes it is different. I got CSYNC from here:

    SNESMiniRGB-3.jpg

    Read this page: http://retrorgb.com/snesminirgb.html

    He mentions that people have had issues using CSYNC directly off the chip.
     
    Last edited: Jul 4, 2014
  6. digitaldiatribe

    digitaldiatribe Member

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    You have that backwards. The CSYNC spot in the right picture is what is causing issues for some people and grabbing the CSYNC signal from the chip directly is the fix. That's how I have mine modded.

     
    Last edited: Jul 4, 2014
  7. drbananahammock

    drbananahammock Active Member

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    Damn. I guess if I got JP21 -> SCART adapters for all my cables, then I would be able to use your switch.

    All the switches I've found are all for SCART. Are there even JP21 switches available? I haven't been able to find any besides the Selecty 21 and that's only for 3 and really hard to find.
     
    Last edited: Jul 4, 2014
  8. superg

    superg Site Supporter 2013,2014,2015. Tape Drive Donor.

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    Yeah, it may work but it'll look damn ugly :).
    I haven't seen any JP21 switches as well. I guess hardcore Japanese people don't have problem switching JP21 manually each time they want to play different console.
     
  9. drbananahammock

    drbananahammock Active Member

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    Yeah, that's another appeal of your switch. It's sleek and awesome looking.

    Ugh, why did I buy JP21 cables. >.<

    Thanks for answering my question!
     
  10. superg

    superg Site Supporter 2013,2014,2015. Tape Drive Donor.

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    Bad news guys, I can't find straight PCB SCART sockets anywhere :(. On farnell they are "no longer in production", in my sources these are sold out also.
    Currently I have 6 assembled switches remaining and maybe parts for 8 more switches.
     
  11. mickcris

    mickcris Site Supporter 2014,2015

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    Thanks for looking guys. That page is a bit confusing. It seems like that isn't it though as you both are getting csync from different places and it works for you. Seems like mine just doesnt like the Ninteno csync signal (without the LM1881 turned on) for whatever reason.

    That stinks. I guess not much demand for these since everything is switching to digital, so they stopped making them.
     
  12. EmperorZelos

    EmperorZelos Member

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    http://www.maplin.co.uk/p/scart-pcb-sockets-jw34m
    http://www.ebay.com/itm/21-Pin-Euro...ion_Video_Cables_Adapters&hash=item27bd3e5615
    http://www.ebay.com/itm/2-Pcs-Dual-...al_Components_Supplies_ET&hash=item43bbce927e
    what about these?
     
  13. superg

    superg Site Supporter 2013,2014,2015. Tape Drive Donor.

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  14. digitaldiatribe

    digitaldiatribe Member

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  15. superg

    superg Site Supporter 2013,2014,2015. Tape Drive Donor.

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    Wow, thanks!
    I don't know how I missed this one, I checked mouser yesterday.
    It doesn't have mount holes, but I think I will manage to mount it without them.
     
  16. airs

    airs Spirited Member

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    Doh, that's confusing. Strange that he says "The step below (and picture above) shows you how to get CSync directly from the video chip." but then suggests wiring directly to the BA6596F.

    Looks like they are non-stocked. Hopefully they will prove easy to get though.
     
    Last edited: Jul 4, 2014
  17. digitaldiatribe

    digitaldiatribe Member

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    That's weird, I didn't notice that. In search it shows they have over 500 in stock.
     
  18. superg

    superg Site Supporter 2013,2014,2015. Tape Drive Donor.

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    They are non-stocked because I've bought full stock for the future :).
     
  19. EmperorZelos

    EmperorZelos Member

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    Damn you were eager, let's hope they get more soon.
     
  20. airs

    airs Spirited Member

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    Wow nice purchase superg :)
     
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