install Circuit Benders Eprom Mod
replace battery - CR17335SE tme.eu list the battery, also ebay shops - make sure the pinout is correct, there are 2 different versions PCB and PCB2
replace tactile switches - use the tactile from TB-303/RE-303: 688-SKQEAA from Mouser electronics.
replace the Volume Potentiometer, use a Stereo Typ from mouser with 25mm length instead of 20mm because they are not available, use a saw to get the correct length.
reset the Device after installing the Mod,
turn off the machine, hold the "ERASE" button while power the machine on.
then clear all patterns:
To clear all pattern-song data: hold down the No.1 button and press [ERASE], then [ENTER] twice.
remove the cables, push/pull it with a flat screwdriver
new Potentiometer - remove the potentiometer knob, then remove the nut - you don't need to remove the aluminium rail !!
blue = old switches
grey = new
circuit Benders Mod: addional Sounds