The keyboard isnin good used condition. It has been tested and is in good working order.
Yamaha PortaSound PSS-140 Electronic Keyboard – Boxed & Working – Vintage Yamaha
Vintage Yamaha Portasound PS-300 - 37 Key keyboard with Case
Yamaha Portasound PSS-30 Vintage Keyboard Electronic, Working
Vintage 1982 Yamaha PORTASOUND MP-1 Electronic Portable Keyboard - FULLY WORKING
Yamaha Portasound PSS-170 Electronic Keyboard. Very Good Used Condition.
Yamaha PortaSound PSS-380 Keyboard Vintage FM Synth Tested Working
