Korg m50 freezing problem - fx dsp write error

Good day to everyone, I have a freezing problem with a Korg M50, it turns on and works correctly but by the time I play any key the keyboard freezes and does nothing, do you have any idea of what can this be? Iong ago I repared a M50 with a similar freezing problem, but the main diference is that you could actually play for a while, then after a few minutes it would freeze, I wonder if the solution is similar? (that time I replaced a tiny capacitor). Thanks in advance.