OSSC Staying Powered w/ Power Supply Disconnected

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  • May 21, 2018 at 12:51 AM #21769
    Anonymous

      So here’s an interesting new development. I went to turn off my OSSC, and flipping the on/off switch did nothing. I then unplugged the power supply (official power supply, purchased with the OSSC), and the screen flickered a bit, but stayed powered on. I then unplugged the HDMI cable, and it powered off. I plugged the HDMI cable back in, and the OSSC was again getting power. I tested the OSSC quickly, and it seems to be working fine in this powered-by-HDMI state.

      Thoughts?

      May 21, 2018 at 3:51 AM #21773
      Anonymous

        Well I figured out the general cause for the issue, although am still not clear on the exact cause. I moved some cables around amongst the various splitters and switchers I have in my a/v i/o chain. I had somehow achieved what I was trying to do, but by connecting cables in a different configuration than I thought I had. I believe the OSSC HDMI out was simultaneously connected in the chain as an input and an output. Not sure how that would result in the device being powered via its HDMI output…if someone has a detailed explanation, I am interested to know.

        May 22, 2018 at 12:56 AM #21789
        BuckoA51
        Keymaster

          Anything connected via AV1 when this happened?

          May 22, 2018 at 11:50 PM #21815
          Anonymous

            Yes, I believe PS1 via retrogamingcables.co.uk sync on luma cable.

            May 23, 2018 at 11:07 AM #21816
            BuckoA51
            Keymaster

              Often SCART cables can leak voltage due to the switching signal, perhaps it was that?

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