OSSC Not working after mod

[Leminur]

I have an OSSC v1.7, and it was working fine. It worked fine when I used a Nintendo 64 and PS2 with a Scart cable.
I want to have the latest firmware updates, so I was following this video to do the update: https://youtu.be/Bsiza8GbgMg?si=eEaUVE2izYvW58BC&t=222, as I have also updated the firmware to v1.12.

I think that I have done it correctly, as I checked the connection flow with a multimeter. The OSSC turns on as normally, and the test pattern shows as usual. However, I have no image at all when connecting either the PS2 or Nintendo 64 as the image shows.
I’ve downgraded it to v1.08, and I had some image feedback, but only from the OSSC’s screen. The resolution and frequency kept changing quite fast and showing over 1000p signals.
Then I’ve been using the previous FW (v 0.90), and the OSSC screen seems to be showing the same previous image data that I had from when it was working before; however, there is no image being output.
On either occasion, whenever I tried to open it when I was using the start output, the menu did not appear, but only when I had the test pattern on.

What did I do wrong? Do I need to close the OSSC for it to work? I can provide some more pictures if needed.

[marqs]

I’m not sure if it’s related, but you have unofficial board which may or may not match official v1.7 schematic. You should at least check that pin25 of TVP7002 is not grounded or connected anywhere else on the PCB.

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