Replacement switch with adapter PCB.
This is the best alternative...
Transistor: Matched Pair
Dual NPN transistor.
Pack of 9 cables, 3.5mm Modular Synth Mono Patch Cable
TR-909 Service kit ELECTRIC BLUE...
Included: actuator with tact switch and LED.
NOS 4558 op-amp
10KB Rotary Potentiometer
Actuator for tact switch.(tact switch and LED no included )