OSSC v1.xx series beta firmware

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  • December 15, 2024 at 4:45 PM #64423
    oguzog
    Participant

      Somehow it works now. Didn’t change anything.

      December 15, 2024 at 7:46 PM #64425
      Denoiser
      Participant

        I have fixed this. It was bad soldering on resistor pad.

        December 25, 2024 at 7:46 AM #64492
        Raph_friend
        Participant

          @marqs fw 1.11a broken every JAMMA PCB sync.

          December 25, 2024 at 7:49 AM #64493
          oguzog
          Participant

            I couldn’t get image as well on jamma. It syncs and stays synced but no image only solid black screen.

            December 25, 2024 at 8:38 AM #64495
            marqs
            Participant

              @Raph_friend it’s likely caused by ADC PLL BW option introduced in 1.11. Its default value (high) is tailored for lowest jitter but unfortunately it has reduced compatibility for some displays. Try changing it to lower bandwidth – I’ve already changed default to medium locally, but that won’t go into effect until next firmware (and then only on fresh boards or if existing profile is reset).

              December 25, 2024 at 8:46 AM #64496
              Raph_friend
              Participant

                What’s happening is that it’s not detecting any sync from JAMMA PCBs.
                Did you get it working with CPS2 or MVS (MV1C for example)?

                Edit: After a few tweaks, I managed to get my PCBs working again.

                Thanks!

                • This reply was modified 3 weeks, 4 days ago by Raph_friend.
                January 14, 2025 at 1:41 PM #64705
                jairslira
                Participant

                  Hello everyone, I’m from Brazil, I made the mod for version 1.8, and there’s something I noticed, on TVs with HDR compatibility, apparently the burn in effect when using 2x or 4x bob, stopped happening, has anyone else noticed? Could this be the solution for the burn in caused by bob? At least on my TV after that, it went back to normal, before the burn in happened very quickly if I left the image paused for a few minutes, I did a test yesterday with HDR enabled, I left the image paused for more than 20 minutes and nothing happened, it went back to normal.

                  January 15, 2025 at 8:49 PM #64714
                  Ray T
                  Participant

                    Updated my v1.7 after performing the modifications, my U10 chip was not one of the ones listed but the update applied successfully.

                    January 16, 2025 at 9:23 AM #64718
                    BuckoA51
                    Keymaster

                      It’s possible that your TV is automatically dimming or slightly shifting the picture to prevent burn in. Most OLEDs do this in HDR mode.

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