Roland MC-4 Micro Composer Replacement Parts

Browse 28 replacement parts for the Roland MC-4 Micro Composer (1982). The MC-4 Micro Composer is a polyphonic CV/Gate sequencer. It was Roland's second…

Parts for this model

  • IC, 4011 quad gate
  • IC, 4049 hex inverter/buffer
  • IC, 4051 multiplexer chip
  • IC, 4070 quad 2-input exclusive OR gate
  • IC, 4558 dual op amp
  • IC, 7407 hex buffer/driver chip
  • IC, 74LS00N quad gate
  • IC, 74LS02 quad NOR gate
  • IC, 74LS04 hex inverter
  • IC, 74LS138 decoder/demultiplexer
  • IC, 74LS139 decoder/demultiplexer
  • IC, 74LS157 multiplexer
  • IC, 74LS20, dual 4-input NAND gate
  • IC, 74LS245 bus transceiver
  • IC, 74LS32N quad gate
  • IC, 74LS74 dual flip-flop
  • IC, TL081 op amp
  • IC, TL082 op amp
  • Knob with silver face and skirt
  • Potentiometer, 10KB rotary
  • Power switch, amber
  • Switch, aluminum lever, 2-position
  • Switch, aluminum lever, 3-position
  • Transistor, 2SA1015
  • Transistor, 2SA1175
  • Transistor, 2SC1815
  • Transistor, 2SD880
  • Voltage regulator, 78L05