Year Released: 1989
Keyboard: 32 keys
Yamaha PSS-20 PortaSound Service Manual 1989 ($15)
Yamaha PortaSound PSS-20 80s rare mini keyboard synth in black VGC ($53.83)
Power Supply Replacement for YAMAHA PSS-20 KEYBOARD ADAPTER UK 12V ($14.36)
Yamaha PortaSound PSS-20 ($70.31)
YAMAHA VG73300 - WHITE KEY 11G F32N - PSS20 ($135)
YAMAHA NB101180 M12 CIRCUIT BOARD ASSY PSS20 ($185)
Yamaha PortaSound PSS-9 Service Manual and PSS-9 B Service Manual [Three Wave Music] ($12)
Yamaha PSS-A50 ($93.38)
Yamaha PirtaSound PSS-140 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-12 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-190 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-50 Service Manual [Three Wave Music] ($12)
Yamaha Portasound PSS-595 Owners Manual ($26.51)
Yamaha PortaSound PSS-11 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-595 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-6 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-790 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-290 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-390 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-7 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-14 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-21 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-380 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-51 Service Manual [Three Wave Music] ($12)
Yamaha PortaSound PSS-795 Service Manual. [Three Wave Music] ($12)
Yamaha PortaSound PSS-590 Service Manual [Three Wave Music] ($12)
Yamaha PSS-595 Quick Reference Booklet in English, German, French & Italian ($9.28)
Yamaha PortaSound PSS-31 Service Manual [Three Wave Music] ($12)
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