Roland A-50 Replacement Parts

Browse 72 replacement parts for the Roland A-50 (1989). The A-50 is a 76-note MIDI controller with velocity and polyphonic aftertouch.

Parts for this model

• AC power socket
• Battery, 3V lithium
• Bender assembly, Roland
• Bender frame, Roland
• Bender lever, Roland
• Bender plate, Roland
• Bender rubber stop
• Button, black with LED window, Roland
• Button, black without LED window, Roland
• Button, gray with LED window, Roland
• Contact strip, 12-note
• Contact strip, 4-note
• Cover plate, voltage selector, Roland
• Display, Roland
• End panel, left, Roland
• End panel, right, Roland
• IC, 4051 multiplexer chip
• IC, 62256BLP-10 SRAM memory chip
• IC, 74HC00 quad 2-input NAND gate
• IC, 74HC04 hex buffer
• IC, 74HC138 3 to 8 multiplexer
• IC, 74HC244 octal tri-state buffer
• IC, 74HC32 quad logic gate
• IC, 74HC373 octal D latch
• IC, 74HC374 octal D flip-flop
• IC, 74HC74 dual flip-flop
• IC, 74LS03 quad 2-input NAND gate
• IC, 74LS138 decoder/demultiplexer
• IC, C4570HA dual op amp, SIP
• IC, HM6116ASP-12 or MB8416A SRAM chip
• IC, TC40H000P quad NAND gate
• IC, TC40H032 quad 2-input OR gate
• Jack board, MIDI, Roland
• Jack board, Roland
• Key contact board, 24-note (Low), Roland
• Key contact board, 24-note (Mid), Roland
• Key contact board, 28-note (High), Roland
• Key return spring, for black keys
• Key return spring, for white keys
• Main board A, Roland A-50
• Main board B, Roland A-50
• Memory card board, Roland
• Memory card holder, Roland
• Panel board, left, Roland A-50
• Panel board, right, Roland A-50
• Pedal, damper-style
• Phone jack, 1/4-inch, 4-pin PCB mount
• Pitch bend/mod wheel assembly, Roland