(Topic ID: 301880)

RUN DMD clock help needed

By JanS

3 months ago



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  • 3 posts
  • 2 Pinsiders participating
  • Latest reply 3 months ago by JanS
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    #1 3 months ago

    This is a new kit that I built using HUB75 panels. It doesn't work and never has. Sent the board back to Sweden and it ran there 24/7 for days perfectly so they said before I got it back. Hooked it up again and nothing. Power supply is good, even tried a new one with no improvement. Metered the ribbon cables for continuity and they tested good. Panels are new and could possibly be bad but both doubtful. Maybe ribbons fail when being twisted into place? I do get some color dots if I plug and unplug the power. What's odd about that is the board DIP switches are set to white?

    #2 3 months ago

    Have you tried running it with a standard LED DMD panel?

    #3 3 months ago

    Ok here's what I have so far and a few questions. It works fine with a 5 volt DMD. The White RUN DMD board has a HUB75 output. When they are hooked up I get nothing. Even though the White board has a HUB75 output I see the ribbon cable pin out is different from a HUB08. I also see that the White board designer is making an adapter card for HUB75 panels? If this board will work with HUB75 panels and the White board has that output then why are they making the adapter. Are these HUB75 panels the problem and if not I guess I have 2 bad ones? What could the chance of that be? Do I need to make a cable configured to the HUB08 pinout for the HUB75's to work?

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