Roland HP-70 Replacement Parts

Browse 33 replacement parts for the Roland HP-70 (1981). The HP-70 Piano Plus is a 75-note electronic piano with built-in speakers.

Parts for this model

  • Bridge rectifier, WO-02S
  • Button, ivory, Roland
  • Button, lime green, Roland
  • Button, orange, Roland
  • IC, 4558 dual op amp
  • IC, BA662 Roland VCA chip
  • IC, LA4440 audio amplifier
  • IC, MN3009 BBD
  • IC, MN3101 BBD clock driver
  • Key bushing, rubber
  • Key return spring
  • Key return springs, pkg of 10
  • Knob, tan, Roland
  • Music holder, Roland
  • Nut, black plastic, for phone jack
  • Phone jack, 1/4-inch, 5-pin PCB mount
  • Phone jack, 1/4-inch, 9-pin PCB mount
  • Potentiometer, 10KB rotary
  • Power switch, rocker type
  • Slide switch, 3-position
  • Speaker, 4.25 inch, Roland
  • Style 28W key, black note
  • Style 28W key, note A
  • Style 28W key, note B or E
  • Style 28W key, note C or F
  • Style 28W key, note D
  • Style 28W key, note G
  • Style 28W key, top G note
  • Transformer, Roland
  • Transistor, 2SA1015
  • Transistor, 2SC1815
  • Transistor, 2SK30A-O
  • Voltage regulator, 7815