Roland HP-20 Replacement Parts

Browse 25 replacement parts for the Roland HP-20 (1984). The HP-20 and HP-20S Piano Plus are 61-note electronic pianos with built-in speakers.

Parts for this model

• Button, orange, Roland
• Contact strip set, Roland
• Contact strip, 12-note, Roland
• Contact strip, 13-note, Roland
• IC, 4013 flip-flop
• IC, 4050 hex buffer/converter
• IC, 74LS42 monostable multivibrator
• Key bushing, rubber
• Key return springs, pkg of 10
• Keybed cushion, 61-note
• Phone jack, 1/4-inch, 3-pin PCB mount
• Rubber foot, 3/8-inch tall
• Slider knob, Roland
• Speaker, Roland
• Style 28T key, black note
• Style 28T key, note A
• Style 28T key, note B or E
• Style 28T key, note C or F
• Style 28T key, note D
• Style 28T key, note G
• Style 28T key, top C note
• Transistor, 2SA1015
• Transistor, 2SC1815
• Voltage regulator, 7805
• Voltage regulator, 78L15