Roland Jupiter 4 Replacement Parts

Browse 85 replacement parts for the Roland Jupiter 4 (1978). The Jupiter 4 is one of the trifecta of rare and very collectible Jupiter polyphonic…

Parts for this model

  • Battery, 3.6V NiCad
  • Bender assembly, Roland
  • Bender lever, Roland
  • Bender lever, Roland, clear
  • Bender plate, Roland
  • Bender rubber stop, Roland
  • Bridge rectifier, WO-02S
  • IC, 4001 quad NOR gate
  • IC, 4011 quad gate
  • IC, 4013 flip-flop
  • IC, 4016 quad analog switch
  • IC, 4024 binary counter
  • IC, 4025 triple 3-input NOR gate
  • IC, 4030 quad exclusive OR gate
  • IC, 4049 hex inverter/buffer
  • IC, 4051 multiplexer chip
  • IC, 4052 multiplexer switch
  • IC, 4069 hex inverter
  • IC, 4558 dual op amp
  • IC, 555 timer
  • IC, 723 linear regulator
  • IC, 74LS00N quad gate
  • IC, 74LS174 flip-flop
  • IC, 74LS175 flip-flop
  • IC, BA662 Roland VCA chip
  • IC, D444C SRAM chip
  • IC, IR3109 Roland VCF chip
  • IC, LM311 comparator
  • IC, MN3004 BBD chip
  • IC, TL072 op amp
  • IC, TL082 op amp
  • IC, UA726HC NPN monolithic transistor pair
  • Key bracket, 5-note
  • Key bracket, 7-note
  • Key contact assembly, 6-note, Roland
  • Key contact assembly, 7-note, Roland
  • Key return spring
  • Knob, Roland
  • Knob, rotary, Roland
  • Pedal, damper-style
  • Phone jack, 1/4-inch
  • Phone jack, 1/4-inch
  • Potentiometer, 100KB rotary
  • Potentiometer, 100KB rotary with center tap
  • Potentiometer, 2MA rotary
  • Potentiometer, 50KA rotary
  • Potentiometer, 50KB rotary
  • Power cable, Euro-style mains