Recent content by laersn

Thank you very much for your reply. I've checked the reset. Both resets seem to work correctly. All CPU control lines look ok to me too. Also, as mentioned before after a reset I see activity on the address bus that looks generally ok to me. What really doesn't look too right to me is the data...

Hello I recently acquired an Epson PX-8 Geneva, which I believed to be in "almost" working condition but reached the end of my wits trying to repair it. It fails to boot. Most of the time the screen will just be empty, very rarely it beeps, randomly turns on the keyboard LEDs, and gets to a...