Roland KR-55
Released in 1990The KR-55 is a 76-note digital home piano.

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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.

Replacement Keys

AC power socket, 2-blade
$14.95 (Part #4415)
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$14.95 (Part #4415)

Button, with LED window, Roland
$4.95 (Part #4904)
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$4.95 (Part #4904)

Button, without LED window, Roland
$4.95 (Part #1455)
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$4.95 (Part #1455)

Connector board, Roland/Rhodes
$8.95 (Part #9726)
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$8.95 (Part #9726)

Connector board, Upper, Roland
$8.95 (Part #9901)
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$8.95 (Part #9901)

Contact strip, 12-note
$15.95 (Part #4283)
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$15.95 (Part #4283)

Contact strip, 8-note
$15.95 (Part #5074)
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$15.95 (Part #5074)

Contact strip, 8-note, Roland
$16.95 (Part #CS4281)
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$16.95 (Part #CS4281)

Display bezel, Roland
$7.95 (Part #9902)
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$7.95 (Part #9902)

End cap, left, Roland
$24.95 (Part #9434)
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$24.95 (Part #9434)

End cap, right, Roland
$24.95 (Part #9435)
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$24.95 (Part #9435)

Fuse board, Roland
$16.95 (Part #9898)
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$16.95 (Part #9898)

Jack board, Roland
$74.95 (Part #9897)
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$74.95 (Part #9897)

Key bushing, rubber
$0.45 (Part #4269)
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$0.45 (Part #4269)

Key contact board, 32-note (Low), Roland
$32.95 (Part #1193)
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$32.95 (Part #1193)

Key contact board, 44-note (High), Roland
$46.95 (Part #1194)
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$46.95 (Part #1194)

Key return flat spring, pkg of 10, Roland
$5.95 (Part #KEYSP6X)
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$5.95 (Part #KEYSP6X)

Key return flat spring, Roland
$0.75 (Part #KEYSP6)
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$0.75 (Part #KEYSP6)

Main board, Roland
$84.95 (Part #9896)
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$84.95 (Part #9896)

Memory card board, Roland
$19.95 (Part #9900)
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$19.95 (Part #9900)

Memory card holder, Roland
$9.95 (Part #4947)
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$9.95 (Part #4947)

Memory card holder, Roland
$9.95 (Part #4947)
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$9.95 (Part #4947)

Panel board, Roland
$59.95 (Part #9895)
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$59.95 (Part #9895)

Phone jack, 1/4-inch, 3-pin PCB mount
For Right Input, Right Output
$7.95 (Part #4334)
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For Right Input, Right Output
$7.95 (Part #4334)

Phone jack, 1/4-inch, 3-pin PCB mount
For Left Output
$7.95 (Part #4178)
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For Left Output
$7.95 (Part #4178)

Phone jack, 1/4-inch, 4-pin PCB mount
For Lower Pedal
$7.95 (Part #4177)
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For Lower Pedal
$7.95 (Part #4177)

Phone jack, 1/4-inch, 7-pin PCB mount
For Phones, Left Input
$7.95 (Part #3634)
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For Phones, Left Input
$7.95 (Part #3634)

Phones board, Roland
$11.95 (Part #9899)
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$11.95 (Part #9899)

Power cord, 2-blade
$13.95 (Part #PCJ)
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$13.95 (Part #PCJ)

Power supply, Roland
$59.95 (Part #9904)
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$59.95 (Part #9904)

Power switch cap, Roland
$7.95 (Part #3903)
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$7.95 (Part #3903)

Power switch, pushbutton
$26.95 (Part #3916)
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$26.95 (Part #3916)

Pushbutton tact switch, 5mm, 2-pin
$1.95 (Part #4478)
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$1.95 (Part #4478)

Pushbutton tact switches, 5mm, pkg of 10
$11.95 (Part #4478X)
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$11.95 (Part #4478X)

Slide potentiometer, 10KAx2, 30mm
For Volume, Brilliance
$19.95 (Part #3630)
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For Volume, Brilliance
$19.95 (Part #3630)

Slider knob, Roland
$6.95 (Part #3661)
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$6.95 (Part #3661)

Speaker, 8-inch, Roland
$22.95 (Part #7723)
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$22.95 (Part #7723)

Style 31W key, black note
$9.95 (Part #K31WBL)
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$9.95 (Part #K31WBL)

Style 31W key, bottom E note
$15.95 (Part #K31WEB)
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$15.95 (Part #K31WEB)

Style 31W key, note A
$10.95 (Part #K31WA)
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$10.95 (Part #K31WA)

Style 31W key, note B or E
$10.95 (Part #K31WBE)
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$10.95 (Part #K31WBE)

Style 31W key, note C or F
$10.95 (Part #K31WCF)
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$10.95 (Part #K31WCF)

Style 31W key, note D
$10.95 (Part #K31WD)
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$10.95 (Part #K31WD)

Style 31W key, note G
$10.95 (Part #K31WG)
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$10.95 (Part #K31WG)

Style 31W key, top G note
$15.95 (Part #K31WGT)
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$15.95 (Part #K31WGT)

Transformer, Roland
$49.95 (Part #9903)
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$49.95 (Part #9903)