For Yamaha DX7 MK1 DX9 DX5 DX1 DX21 DX27 DX100 Slider Knob 3x Volume/Data Entry

Yamaha DX7/9 Cartridge Receptacle

Yamaha DX7, DX7 II or DX9 Gain Adj Board

Yamaha DX7 DX Data RAM Cartridge

YAMAHA ELECTONE ORGAN PARTS: Power ON/OFF Switch Assembly

YAMAHA DX-7 Synthesizer VOICE ROM 3 & 4 DATA CARTRIDGE