Yamaha - CVP-609 - 11-Note Rubber Contact Strip PSR-E353 the original leak-prone NiCad battery

the original leak-prone NiCad battery with a 3

4-Pin (Pack of 10)

Pushbutton tact switches full set of 51 for SX-240

this battery is shorter than original so you need to stretch the tabs

1/4-inch Stereo phone jack

Yamaha - CVP-609 - 11-Note Rubber Contact Strip PSR-E353 the original leak-prone NiCad battery11 Note Rubber Contact Strip for Yamaha Keyboards (High Note Section) This 11 note rubber contact strip is designed specifically for the highest notes on the keyboard. It features carbon contacts inside each dome that activate when a key is pressed, completing the circuit on the contact board. Compatible with Yamaha part numbers VCZ74500 and V8286700.