Its trying to boot. Check the z80, eproms in row 6, sync bus card, 2114 ram. It could be any of these among other things but this is where you should start. Check 5v across cap C3 and make sure its a steady 4.9-5.1v
Its trying to boot. Check the z80, eproms in row 6, sync bus card, 2114 ram. It could be any of these among other things but this is where you should start. Check 5v across cap C3 and make sure its a steady 4.9-5.1v