Quoted from Brandje:guys i need some help here, i switched t2 cpu with another cab to do some testing, and all of a sudden, i have some issues, at game start the ball wont come out of the ball popper, and at the same time the gun fires, the ball popper fires, but just too weak, same with the 3 locks, ball wont come out, just moves a bit, and the cannon coil fires in sync.....
im really lost here, any helpwould be welcome.
Do you have J207 or J209 at the bottom of the MPU plugged in one pin off?
Also make sure you have all the ribbon cables plugged into the MPU correctly. Try reseating them.