Roland KR-4500
Released in 1992The KR-4500 is an 88-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)

Bender panel, Roland
$14.95 (Part #8764)
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$14.95 (Part #8764)

Button, brown, without LED window, Roland
For Stop, One Touch Program
$4.95 (Part #6286)
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For Stop, One Touch Program
$4.95 (Part #6286)

Button, gray, Roland
For Song Demo
$4.95 (Part #7650)
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For Song Demo
$4.95 (Part #7650)

Button, gray, without LED window, Roland
For Start/Stop
$5.95 (Part #1462)
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For Start/Stop
$5.95 (Part #1462)

Button, red, with LED window, Roland
For Record
$4.95 (Part #6287)
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For Record
$4.95 (Part #6287)

Button, red, without LED window, Roland
For Write
$4.95 (Part #6288)
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For Write
$4.95 (Part #6288)

Button, with LED window, Roland
For smaller buttons
$10.95 (Part #4904)
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For smaller buttons
$10.95 (Part #4904)

Button, with LED window, Roland
$3.95 (Part #4476)
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$3.95 (Part #4476)

Button, without LED window, Roland
$3.95 (Part #4815)
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$3.95 (Part #4815)

Button, without LED window, Roland
$6.95 (Part #1455)
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$6.95 (Part #1455)

Cheek block, Roland
$14.95 (Part #8760)
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$14.95 (Part #8760)

Contact strip, 12-note, Roland
$16.95 (Part #1286)
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$16.95 (Part #1286)

Contact strip, 4-note, Roland
$9.95 (Part #7733)
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$9.95 (Part #7733)

Contact strip, 4-note, Roland
$9.95 (Part #7736)
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$9.95 (Part #7736)

Contact strip, 8-note, Roland
$11.95 (Part #1733)
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$11.95 (Part #1733)

Disk drive, 3.5-inch
$69.95 (Part #3512)
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$69.95 (Part #3512)

Headphone jack assembly, Roland
$17.95 (Part #8766)
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$17.95 (Part #8766)

IC, 74HC138 3 to 8 multiplexer
$1.95 (Part #8125)
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$1.95 (Part #8125)

IC, 74HC574 tri-state flip-flop
$2.95 (Part #6853)
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$2.95 (Part #6853)

IC, C4570HA dual op amp, SIP
$3.95 (Part #6624)
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$3.95 (Part #6624)

Key contact board, 24-note (Low), Roland
$27.95 (Part #7702)
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$27.95 (Part #7702)

Key contact board, 32-note (High), Roland
$39.95 (Part #7738)
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$39.95 (Part #7738)

Key contact board, 32-note (Mid), Roland
$39.95 (Part #7737)
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$39.95 (Part #7737)

Key guide, white key
$0.45 (Part #5043)
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$0.45 (Part #5043)

Key lock, black key, Roland
$2.95 (Part #5757)
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$2.95 (Part #5757)

Key lock, white key, Roland
$2.95 (Part #5758)
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$2.95 (Part #5758)

Key return spring, Roland
$1.95 (Part #5754)
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$1.95 (Part #5754)

Keybed cushion, 88-note
For lower felts (keys rest against this)
$12.95 (Part #1129)
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For lower felts (keys rest against this)
$12.95 (Part #1129)

Keybed cushion, 88-note
For upper felts (keys press down against this cushion)
$16.95 (Part #1130)
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For upper felts (keys press down against this cushion)
$16.95 (Part #1130)

LED board, Roland
$6.95 (Part #6358)
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$6.95 (Part #6358)

Main board, Roland KR-4500
$169.95 (Part #8759)
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$169.95 (Part #8759)

Memory card board, Roland
$16.95 (Part #6360)
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$16.95 (Part #6360)

Memory card guide, Roland
$7.95 (Part #3964)
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$7.95 (Part #3964)

MIDI jacks assembly
$12.95 (Part #5251)
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$12.95 (Part #5251)

Music rest holder, Roland
$4.95 (Part #7667)
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$4.95 (Part #7667)

Panel board A, Roland
$26.95 (Part #6357)
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$26.95 (Part #6357)

Panel board B, Roland
$36.95 (Part #8770)
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$36.95 (Part #8770)

Panel board C, Roland
$37.95 (Part #8758)
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$37.95 (Part #8758)

Phone jack, 1/4-inch, 3-pin PCB mount
For Inputs, Outputs
$10.95 (Part #4334)
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For Inputs, Outputs
$10.95 (Part #4334)

Phone jack, 1/4-inch, 3-pin PCB mount
For Exp Pedal
$10.95 (Part #4178)
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For Exp Pedal
$10.95 (Part #4178)

Phone jack, 1/4-inch, 7-pin PCB mount
For Phones
$10.95 (Part #3634)
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For Phones
$10.95 (Part #3634)

Pitch bend wheel assembly, Roland
$28.95 (Part #8769)
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$28.95 (Part #8769)

Pitch bend/mod wheel, Roland
$7.95 (Part #9097)
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$7.95 (Part #9097)

Pitch wheel frame, Roland
$8.95 (Part #9865)
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$8.95 (Part #9865)

Potentiometer, 100KB rotary with center tap
For bender
$23.95 (Part #4952)
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For bender
$23.95 (Part #4952)

Power cord, 2-blade
$15.95 (Part #PCJ)
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$15.95 (Part #PCJ)

Power supply, Roland
$74.95 (Part #8763)
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$74.95 (Part #8763)

Power switch cap, black
$12.95 (Part #3491)
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$12.95 (Part #3491)

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)
Click for details
$1.95 (Part #4478)

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

Ribbon cable, 13-inch, 26-pin
Main board to right panel board
$10.95 (Part #8473)
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Main board to right panel board
$10.95 (Part #8473)

Ribbon cable, 2.5-inch, 8-wire
For Mid-to-High key contact boards
$8.95 (Part #8196)
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For Mid-to-High key contact boards
$8.95 (Part #8196)

Ribbon cable, 23-inch, 34-pin
To disk drive
$11.95 (Part #3055)
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To disk drive
$11.95 (Part #3055)

Ribbon cable, 3-inch, 14-wire
For Low-to-Mid key contact boards
$9.95 (Part #7735)
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For Low-to-Mid key contact boards
$9.95 (Part #7735)

Rubber foot, 3/8-inch tall
$1.45 (Part #4295)
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$1.45 (Part #4295)

Screws, 8mm, pkg of 10
For circuit boards
$3.95 (Part #3908)
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For circuit boards
$3.95 (Part #3908)

Slide potentiometer, 10KB, 45mm
For Tempo
$19.95 (Part #3700)
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For Tempo
$19.95 (Part #3700)

Slide potentiometer, 10KBx2, 30mm
For Volume
$19.95 (Part #4531)
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For Volume
$19.95 (Part #4531)

Slide potentiometer, 50KBx2 with detent, 30mm
For Brilliance
$19.95 (Part #3554)
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For Brilliance
$19.95 (Part #3554)

Slider knob, Roland
$5.95 (Part #3910)
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$5.95 (Part #3910)

Speaker, tweeter, Roland
$17.95 (Part #8761)
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$17.95 (Part #8761)

Style 20W key, black note
$12.95 (Part #K20WBL)
Click for details
$12.95 (Part #K20WBL)

Style 20W key, bottom A note
$19.95 (Part #K20WAB)
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$19.95 (Part #K20WAB)

Style 20W key, note A
$14.95 (Part #K20WA)
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$14.95 (Part #K20WA)

Style 20W key, note B
$14.95 (Part #K20WB)
Click for details
$14.95 (Part #K20WB)

Style 20W key, note C
$14.95 (Part #K20WC)
Click for details
$14.95 (Part #K20WC)

Style 20W key, note D
$14.95 (Part #K20WD)
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$14.95 (Part #K20WD)

Style 20W key, note E
$14.95 (Part #K20WE)
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$14.95 (Part #K20WE)

Style 20W key, note F
$14.95 (Part #K20WF)
Click for details
$14.95 (Part #K20WF)

Style 20W key, note G
$14.95 (Part #K20WG)
Click for details
$14.95 (Part #K20WG)

Style 20W key, top C note
$19.95 (Part #K20WC8)
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$19.95 (Part #K20WC8)

Terminal board assembly, Roland
$16.95 (Part #8768)
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$16.95 (Part #8768)

Transistor, 2SA1015
$1.95 (Part #3294)
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$1.95 (Part #3294)

Voltage regulator, 78M15
$2.95 (Part #4412)
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$2.95 (Part #4412)

Voltage regulator, 79M15
$2.95 (Part #2415)
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$2.95 (Part #2415)

Wiring harness, Roland
$8.95 (Part #8767)
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$8.95 (Part #8767)