Koryuu not recognising signal after previously working

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  • #41430
    Carn
    Participant

    It worked fine at first, now for some reason the Koryuu will only send its own signal of the coloured bars to the OSSC ignoring the NTSC N64 I have plugged into it. Have I done something wrong here? I don’t know how to fix it. Resetting everything hasn’t made a difference.

    #41437
    megari
    Participant

    First, let’s check a few basic things:

    • What input are you using on the Koryuu? (composite/S-Video)
    • Does that input match the current input setting?
    • Please check and try reseating the video cable between the N64 and the Koryuu.
    • Have you modified the Koryuu unit in any way? Have you updated and/or altered the firmware? If so, would you mind providing your changes to aid debugging?
    • Is the N64 modded in any fashion? If so, how?
    • What kind of video cable are you using between the N64 and the Koryuu? Where was it bought from? Is it an original Nintendo cable?

    A sudden failure to work does sound like some piece of hardware may have failed, unless it is some sort of a settings issue. The questions above are the first step in trying to narrow down the cause.

    #46174
    KSzeims
    Participant

    Hello, was there any resolution to this issue? I’m having a similar issue with my Koryuu:

    What input are you using on the Koryuu? (composite/S-Video) – Composite
    Does that input match the current input setting? – Yes. And I’ve cycled through all 4 input options, and even upon resetting the power (which should set input to default – Composite) the same issue persists.
    Please check and try reseating the video cable between the N64 and the Koryuu. – I have reset the cable on both the Koryuu and N64 ends. Same issue persists.
    Have you modified the Koryuu unit in any way? Have you updated and/or altered the firmware? If so, would you mind providing your changes to aid debugging? – I have not updated or modified my Koryuu in any way.
    Is the N64 modded in any fashion? If so, how? – It is not modified.
    What kind of video cable are you using between the N64 and the Koryuu? Where was it bought from? Is it an original Nintendo cable? – It is an original N64 Composite cable.

    This unit arrived this week, and worked once perfectly before only displaying bars the next day. Thank you.

    #47406
    BuckoA51
    Keymaster

    Sorry for missing this! If you’re still having issues please contact me through the website contact form.

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