[SOLVED] N64 RGB Advanced works on TV but not on OSSC (no sync)

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  • #36771
    BlueStinger
    Participant

    Hi, I have a PAL N64 with a RGB Advanced board (and no filter add-on), I’m using a SNES NTSC Csync cable (from RetroGamingCable uk).
    It works fine on my PVM and on a random Samsung 1080p TV but I get a “no sync” on the ossc.
    Am I missing something ?
    From what I could tell, the filter add-on is more for some problematic capture cards and to make PAL SNES cables compatible, is this required to work on the OSSC ?

    SOLUTION : Run a small wire between pin 3 and 7 (Csync and Luma)

    I just installed another one on another N64 and I get the same results : ie. No Sync on OSSC

    Also, both of them don’t work in line 2X mode on my TV (samsung 1080p), the screen is cut in half as if I was sending 31KHz to a 15KHz display. I’m not sure this issue is related though

    • This topic was modified 5 months, 2 weeks ago by BlueStinger. Reason: The cable that I'm using is a SNES NTSC Csync and NOT a N64 Csync cable as previously stated. I checked the N64 RGBAdv installation guide, these are the right ones
    • This topic was modified 5 months, 2 weeks ago by BlueStinger.
    #36778
    nmalinoski
    Participant

    To be clear, the OSSC is saying No Sync (and red LED), not just the TV?

    #36779
    BlueStinger
    Participant

    It says “no sync” but the LED is actually green. I get the test pattern on screen too

    #36780
    BuckoA51
    Keymaster

    I don’t remember having any issues with the prototype we had in here.

    #36781
    BlueStinger
    Participant

    Yeah, I’m out of ideas now. Both consoles behave the same way, they work fine on a PVM, a 1080p Samsung but not on the OSSC. I’ve made sure that the composite and CSync lines lead to nowhere but it didn’t make a difference. My install is very clean and it works on other devices (TVs) so maybe I didn’t understand the point of a jumper but I keep reading the installation guide and I can’t see what’s wrong.

    #36791
    BlueStinger
    Participant

    Solved ! Simply by running a wire between the Csync pin and Luma (marked “Y” – basically, run a wire between pin 3 and 7). I can’t believe that was the issue, I kept telling me it wouldn’t work and tried that just for the sake being comprehensive.

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