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Thank you. I will reach back out around the 24th.

HudsonArcade thank you for the reply. Since my last post I replaced F2 with no change to the issue I'm having. If I'm understanding what you are saying, I would need to watch both S0 and S1 in real time to see if they are signaling correctly. I'm thinking I would need an oscilloscope to be able...

I'm learning as I go so please let me know if I make any bad conclusions. I promise to take criticism well. I found F2 on the schematic and tried to figure out what I should be looking for. From what I can tell S0/S1 come from pins 8 and 11 on F2. I have a logic probe so I was using that to...

Thanks! I will start there.

My Tron was working fine and then one deay developed a graphics issue that seems to be affecting the sprites. I attached pictures of the issue. From what I've read I'm thinking it is something on the video board. I'm hoping someone who knows more than me has an idea or can point me at an area of...