TurboGrafx Sync Issue

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  • April 8, 2017 at 2:16 PM #12288
    mraposo359
    Participant

    Please excuse my ignorance on this topic, I’m new to the RGB scart world. I just got my OSSC and I’m trying to get it working with my TurboGrafx-16. I am using a dbgrafx booster and a retro console accessories RGB scart cable (mega drive 2 csync non buffered). I was able to get it to sync by adjusting the Analog Sync Vth to around 100mV, however it’s not consistent and sometimes it takes a while for it to finally sync. Does anyone know what is causing this to happen? Also, do you have any suggestions on what other settings I should try adjusting? When I did get it to sync it worked perfectly and looked amazing. Thanks!

    April 8, 2017 at 6:25 PM #12290
    BuckoA51
    Keymaster

    Usually PC Engines are fine if you just have the analogue sync LPF up to the max, but I’ve never used a DBGrafx booster.

    April 9, 2017 at 2:44 AM #12300
    mraposo359
    Participant

    It turns out there is a jumper on the dbgrafx booster to change it to TTL and now it works perfectly without any changes to the default settings. Thanks!

    April 12, 2017 at 5:06 PM #12358
    marqs
    Participant

    There’s something wrong if it requires TTL sync – I wonder if that MD2 cable is suitable for dbgrafx.

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