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Products for the Roland
S Series Samplers
Replacement Keys - Parts
Keyboard Service Center


Replacement Keys
These plastic keys will replace broken ones on your keyboard. There are several different types of keys used on the Roland keyboards, so you will need to make sure you order the correct style (click on the link for your keyboard below). With the exception of the Top C note on the 61-note keyboards, all keys from octave to octave are identical, and all black keys within a given style are identical. In other words, a B note in the lowest octave uses the same key as a B note in any other octave. But the highest C note is different from the other C notes (see illustration below).

If you do not know the note names, on the 61-note keyboard shown below, the white keys from the bottom (left side) up are: C, D, E, F, G, A, B, and then the sequence repeats.

Roland Synth Notes

View keys for:
S-10   S-50



Parts
We stock both new and used parts; the individual item descriptions will specify whether a part is NEW or USED. All used electronic parts are tested and guaranteed working. This listing reflects our current inventory and is updated daily, so if a part is shown with a "Buy" button, we should have it in stock.

If a part is shown as Out of Stock, then we do not have it, and in most cases, we don't know when or even if we might have it again. Your best bet is to simply check back on our site occasionally. If a part is not listed on our site, then we do not carry that part. We can no longer research or special order parts that are not listed here, and we just don't have time to answer questions about parts that we don't carry.

We want to help you get the parts you need, but please do not ask us to help diagnose problems with your equipment. We simply don't have the resources to do this, and it is just not practical to diagnose repair issues without being able to test the equipment in person.

S Series
Roland S-50 Power Connector AC power connector (Part #4415)
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Roland Battery Battery, for S-10 (Part #4127)
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Disk Drive Belt Belt, for S10 disk drive (Part #3223)
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Roland S-50 Pitch Bender Assembly Bender assembly, for S-10 (Part #4596)
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Roland S-50 Pitch Bender Assembly Bender assembly, for S-50 (Part #4496)
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Roland Bender Lever Bender lever (Part #3647)
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Roland Bender Potentiometer Bender potentiometer (Part #3646)
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Roland Bender Spring Bender spring, pitch centering (Part #4956)
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Roland Bender Spring Bender spring, modulation (Part #4957)
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Roland Bender Switch Bender switch for modulation (Part #3569)
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Roland S-10 Bender Board Bender board, for S-10 (Part #4625)
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Roland S-50 Bender/Slider Panel Bender/Slider panel, for S-10 or S-50 (Part #4498)
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Roland S-10 Button Button, no LED window, for S-10 (Part #4633)
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Roland S-10 Button Button, with LED window, for S-10 (Part #4634)
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Roland S-10 Contact Strip Contact strip, 4-notes, for S-10/50 (Part #4157)
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Roland S-10 Contact Strip Contact strip, 8-notes, for S-10/50 (Part #4159)
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Roland S-50 Contact Strip Contact strip, 12-notes, for S-10/50 (Part #4156)
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Roland Contact Strip Contact strip, 13-notes, for S-10/50 (Part #CS4160)
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Roland S-50 Cover Plate Cover plate, DB25 connector, for S-50 (Part #4493)
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Roland S-50 CPU Board CPU board, for S-50 (Part #4629)
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Roland S-10 Disk Drive Disk drive, for S-10 (Part #3985)
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Roland S-50 Disk Drive Disk drive, for S-50 (Part #3753)
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Roland S-50 Disk Drive Panel Disk drive panel, for S-10 or S-50 (Part #4499)
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Roland S-10 Display Display, for S-10 (Part #4556)
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Roland Display Bezel Display bezel, for S-50 (Part #3746)
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Roland S-10 Alpha Wheel Knob Encoder knob, for S-10 (Part #4637)
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Roland S-50 Alpha Wheel Knob Encoder knob, for S-50 (Part #4490)
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Roland S-770 Encoder Knob Encoder knob, for S-770* (Part #3336)
*This is not an identical part, but is a very close match.

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Roland S-50 Alpha Wheel Assembly Encoder panel, for S-50 (Part #4488)
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Roland End Cap End cap, left, for S-10 (Part #3805)
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Roland End Cap End cap, right, for S-10 (Part #3804)
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Roland End Cap End cap, left, for S-50 (Part #3821)
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Roland S-50 Filter/Fuse Board Filter/Fuse board, for S-50 (Part #4491)
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Roland S-10 Front Panel Front panel, for S-10 (Part #4555)
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Roland S-50 Front Panel Front panel, for S-50 (Part #4515)
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Disk Drive Controller Chip IC, 1772 disk drive controller chip (Part #4584)
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Integrated Circuit IC, 4051 multiplexer (Part #4319)
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Integrated Circuit IC, 74HC04 hex inverter (Part #2272)
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Integrated Circuit IC, 74LS138 decoder/demultiplexer (Part #3251)
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Integrated Circuit IC, 74LS273 flip-flop (Part #4214)
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Integrated Circuit IC, 74LS374 flip-flop (Part #4215)
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Integrated Circuit IC, D43256AC memory chip (Part #4337)
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Roland S-10 Jack Board Jack board, for S-10 (Part #4639)
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Roland S-50 Jack Board Jack board, for S-50 (Part #4500)
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Roland S-50 Keybed Chassis Keybed chassis, for S-50 (Part #4514)
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Roland Keyboard Contact Board Keyboard contact board, 17-note, for S-10 (Part #4631)
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Roland Keyboard Contact Board Keyboard contact board, 29-note, for S-50 (Part #4669)
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Roland Keyboard Contact Board Keyboard contact board, 32-note, for S-10/50 (Part #4632)
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Roland S-50 Key Bushing Key bushing, rubber (Part #4327)
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Roland S-50 Key Return Spring Key return spring, white notes, for S-10, S-50 (Part #KEYSPS)
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Roland S-50 Key Return Spring Key return spring, black notes, for S-10, S-50 (Part #KEYSPT)
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Roland Knob Knob, rotary, for S-770 (Part #3919)
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Roland S-10 Main Board Main board, for S-10 (Part #4597)
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Roland S-10 Panel Boards Panel boards, for S-10 (Part #4640)
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Roland S-50 Panel Board Panel board and display, for S-50 (Part #4630)
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Roland Phone Jack Phone jack, all S-10 jacks except Phones (Part #4334)
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Roland S-50 Phone Jack Phone jack, all S-50 jacks except Pedal EV-5 and Phones (Part #4334)
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Roland Headphone Jack Phone jack, S-50/770 Headphones (Part #4178)
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Roland Phone Jack Phone jack, S-770 Foot (Part #4334)
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Roland Power Cord Power cord (Part #PCJ)
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Roland S-10 Power Supply Board Power supply board, for S-10 (Part #4598)
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Roland S-50 Power Supply Board Power supply board, for S-50 (Part #4492)
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Roland S-50 Power Switch Power switch (Part #4289)
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Roland Power Switch Cap Power switch cap, for S-770 (Part #3697)
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Roland Tact Switch Pushbutton tact switch (Part #4572)
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Roland Ribbon Cable Ribbon cable, keyboard contact boards, for S-10/50 (Part #4641)
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Roland S-50 Rubber Foot Rubber foot (Part #4295)
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Roland Screws Screws, for circuit boards (Part #3908)
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Roland Slide Potentiometer Slide potentiometer, for S-10 Volume, Rec Level (Part #3658)
Slider shaft is too long, and will have to be cut. Original part is no longer available.
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Roland Slide Potentiometer Slide potentiometer, for S-10 Bend Depth (Part #3684)
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Roland Slide Potentiometer Slide potentiometer, for S-50 Volume, Bend Range (Part #4682)
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Roland Slide Potentiometer Slide potentiometer, for S-50 Rec Level (Part #3684)
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Roland S-50 Slider Knob Slider knob (Part #4487)
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Roland S-10 Transformer Transformer, for S-10 (Part #4638)
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Roland S-50 Transformer Transformer, for S-50 (Part #4489)
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Roland S-50 Pitch Bender Assembly Volume/Slider board, for S-50 (Part #4497)
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