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Roland CR-78

Released in 1978

The CR-78 CompuRhythm is a programmable rhythm unit that uses analog drum sounds; it has 34 built-in preset patterns, and was available in both black and wood-grain finishes. Phil Collins' use of this machine in his hit "In the Air Tonight" brought the CR-78 to iconic status.

Roland CR-78
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We stock both NEW and USED parts; all used electronic parts are tested and guaranteed working.

This listing reflects our current inventory and is updated in real time. If a part is shown as Out of Stock, we typically don't know when or if we might have it again - but click on the part for more info, and then you will be able to sign up for an alert when we do have it available again. By including out of stock parts in our listings, we hope to offer customers a more complete and useful resource.

We cannot diagnose repair issues by phone or email. For technical questions, we suggest posting on our Forums, where our techs - as well as other users - can offer help.

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Back panel, Roland CR-78
Back panel, Roland CR-78
$24.95 (Part #6623)
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Battery, 3.6V NiCad
Battery, 3.6V NiCad
$22.95 (Part #4486)
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Button switch assembly, Roland
Button switch assembly, Roland
For Start/Stop, Variation
$19.95 (Part #6608)
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Dust shield set, Roland CR-78
Dust shield set, Roland CR-78
$19.95 (Part #8176)
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Front panel, Roland CR-78
Front panel, Roland CR-78
$54.95 (Part #5182)
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Fuse assembly, Roland
Fuse assembly, Roland
$11.95 (Part #6610)
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IC, 4001 quad NOR gate
IC, 4001 quad NOR gate
$2.95 (Part #3304)
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IC, 4013 flip-flop
IC, 4013 flip-flop
$2.95 (Part #3322)
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IC, 4558 dual op amp
IC, 4558 dual op amp
$2.95 (Part #3387)
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IC, 74LS00N quad gate
IC, 74LS00N quad gate
$2.95 (Part #3429)
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IC, 74LS04 hex inverter
IC, 74LS04 hex inverter
$2.95 (Part #3147)
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IC, 74LS138 decoder/demultiplexer
IC, 74LS138 decoder/demultiplexer
$3.95 (Part #3251)
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IC, 74LS174 flip-flop
IC, 74LS174 flip-flop
$2.95 (Part #3149)
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IC, D5101 SRAM chip
IC, D5101 SRAM chip
$11.95 (Part #7155)
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IC, D8048C CPU chip
IC, D8048C CPU chip
$19.95 (Part #4555)
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Jack board, Roland CR-78
Jack board, Roland CR-78
$69.95 (Part #6602)
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Knob, Roland
Knob, Roland
For Fill In, Measure, Instruments, Accent
$9.95 (Part #5193)
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Knob, rotary, Roland/Boss
Knob, rotary, Roland/Boss
For Tempo
$8.95 (Part #1850)
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LED board, Roland
LED board, Roland
$12.95 (Part #6609)
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Main board, Roland CR-78
Main board, Roland CR-78
For early model CR-78
$295.95 (Part #6601)
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Nut, for 1/4-inch phone jack
Nut, for 1/4-inch phone jack
$0.45 (Part #4301)
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Phone jack, mono
Phone jack, mono
For all jacks
$9.95 (Part #1593)
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Potentiometer assembly, Accent, Roland
Potentiometer assembly, Accent, Roland
$16.95 (Part #6612)
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Potentiometer assembly, Tempo, Roland
Potentiometer assembly, Tempo, Roland
$16.95 (Part #6613)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For Accent
$8.95 (Part #3233)
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Power cable, Euro-style mains
Power cable, Euro-style mains
$15.95 (Part #6621)
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Power cord bushing, Roland
Power cord bushing, Roland
$3.95 (Part #6614)
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Power switch assembly, Roland
Power switch assembly, Roland
$21.95 (Part #6611)
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Power switch cap, black, round
Power switch cap, black, round
$6.95 (Part #5247)
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Power switch, pushbutton
Power switch, pushbutton
$16.95 (Part #2227)
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Rotary switch board, Roland
Rotary switch board, Roland
$36.95 (Part #6606)
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Rubber foot, 7mm tall, with screw
Rubber foot, 7mm tall, with screw
$2.95 (Part #3203)
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Rubber foot, set of 4
Rubber foot, set of 4
$7.95 (Part #32034)
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Screws, set of 4
Screws, set of 4
For rear panel
$2.95 (Part #5569)
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Slide potentiometer, 50KB
For Balance
$19.95 (Part #12627)
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Slide switch, 3-position
Slide switch, 3-position
For rear panel
$14.95 (Part #1436)
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Slider board, Roland
Slider board, Roland
$54.95 (Part #6605)
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Slider knob, Roland
Slider knob, Roland
$3.95 (Part #5195)
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Switch assembly, 3-way, Roland
Switch assembly, 3-way, Roland
$49.95 (Part #6607)
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Switch board, Roland
Switch board, Roland
$79.95 (Part #6603)
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Switch board, Roland
Switch board, Roland
$79.95 (Part #6604)
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Switch cap, blue
Switch cap, blue
$9.95 (Part #1373)
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Switch cap, gray
Switch cap, gray
$9.95 (Part #1367)
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Switch cap, green
Switch cap, green
$9.95 (Part #1371)
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Switch cap, ivory, Roland
Switch cap, ivory, Roland
For Start/Stop, Variation
$8.95 (Part #5186)
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Switch cap, ivory, round
Switch cap, ivory, round
For Clear, Cancel Voice
$6.95 (Part #5187)
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Switch cap, red
Switch cap, red
$9.95 (Part #1370)
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Switch cap, white
Switch cap, white
$9.95 (Part #1369)
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Switch cap, yellow
Switch cap, yellow
$9.95 (Part #1372)
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Switch knob, black
Switch knob, black
For Memory/Play/All lever switch
$8.95 (Part #5194)
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Switch, 2-position
Switch, 2-position
For Rhythm A/B, Auto/Manual
$29.95 (Part #5822)
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Transistor, 2SA1015
Transistor, 2SA1015
$1.95 (Part #3294)
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Transistor, 2SC1815
Transistor, 2SC1815
$2.95 (Part #1943)
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Transistor, 2SC1815
Transistor, 2SC1815
$2.95 (Part #1943)
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