OSSC and PS2 intermittent black screen

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  • June 14, 2024 at 3:11 PM #61924
    Tom van den Berk
    Participant

      Hello,

      I recently bought an OSSC v1.8 from this website for my PS2. Everything is working great except the image will go to black every so often for a second or so. Sometimes it takes 20 minutes, sometimes once every few minutes. I havc tried a lot of different setting combinations I found online, several different PS2 consoles, component and SCART cables and the same thing keeps happening.

      When using my GBS-C i don’t have this problem, but the image and sound quality of the OSSC is better.  When i turn on “Active FrameTime Lock” on the GBS-C i also get this problem of the screen going dark every so ofter, so I think it is because of this setting. Does the OSSC also have a setting to turn this off?

      Any help would be appreciated.

      June 15, 2024 at 9:28 AM #61928
      marqs
      Participant

        Which firmware version you are running and does OSSC blink red LED when this happens? If you get similar behaviour with GBS-C “Active FrameTime Lock”, it indicates the display has issues processing the exact refresh rate coming from PS2 (which should be pretty standard, though). Are you able to test another display to confirm this is the case?

        June 15, 2024 at 12:14 PM #61930
        Tom van den Berk
        Participant

          Thank you for your reply. I am running the default firmware that was installed. The LED does not blink red, but remains green. I tested the OSSC with an older TV i have and this works perfectly, no black screens.

          June 15, 2024 at 6:15 PM #61934
          marqs
          Participant

            Which TV model is the one you had issues with? There was another similar report about Philips OLED.

            June 16, 2024 at 6:21 AM #61938
            Tom van den Berk
            Participant

              I have a Sony Bravia XR-55X90J.

              June 19, 2024 at 1:33 PM #61983
              paulrobinbrown
              Participant

                I experienced the same issue after upgrading my OSSC to 1.09.

                I performed the hardware mod and no issues with other consoles so I think the mod is working correctly. However, all 3 of my PAL PS2 consoles experienced intermittent dropouts running through RGB or component cable / mode. I tried adjusting Hsync tolerance and other settings which did seem to reduce the frequency it occurred but never resolved it entirely. My TV is an LG B9 OLED, I did not test on any other screen.

                I have now downgraded to 0.90 and no longer experience drop outs. However, I would like a solution so that I can use the forced HDR and masks.

                Thanks for all your hard work marqs! 🙂

                June 19, 2024 at 1:33 PM #61984
                paulrobinbrown
                Participant

                  (Sorry, double post)

                  June 19, 2024 at 4:22 PM #61986
                  BuckoA51
                  Keymaster

                    I have a PAL PS2 here hooked up to 1.09 OSSC with component cables and can’t see any issues. How long was it between dropouts? Did the dropouts occur on the PS2 menu or in a specific game? PAL or NTSC version of the game? Does the LED blink on the OSSC when it happens?

                    June 19, 2024 at 4:27 PM #61987
                    paulrobinbrown
                    Participant

                      Dropouts are intermittent but average every couple of minutes. Can happen in menu or game (PAL or NTSC), might be just interlaced modes, not sure. LED doesn’t blink or change colour, screen just goes black for a second.

                      June 19, 2024 at 4:27 PM #61988
                      paulrobinbrown
                      Participant

                        (I have no idea why this posts twice every time! Sorry)

                        June 19, 2024 at 5:09 PM #61989
                        BuckoA51
                        Keymaster

                          Yeah just can’t replicate that here sorry, must be a weird TV incompatibility.

                          June 19, 2024 at 5:10 PM #61990
                          paulrobinbrown
                          Participant

                            No problem, thanks for trying. Just a bit annoying it doesn’t happen on 0.90.

                            June 19, 2024 at 7:51 PM #61991
                            Tom van den Berk
                            Participant

                              How can i downgrade to 0.9?

                              June 20, 2024 at 10:38 AM #61997
                              paulrobinbrown
                              Participant

                                I downloaded 0.90 here

                                http://www.infocult.com/m/ossc/fw/release_audio/

                                Flash to a SD card using Win 32 Disk Imager and then update Firmware through the menu. You will lose all saved configuration so back these up first if necessary.

                                June 20, 2024 at 10:58 AM #61998
                                Tom van den Berk
                                Participant

                                  Thank you, i will try to downgrade and test it on my TV.

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