Roland HP-3500S
Released in 1989The HP-3500S is an 88-note electronic piano with built-in speakers.

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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, black, Roland
$3.95 (Part #1282)
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$3.95 (Part #1282)

Contact strip, 12-note
$16.95 (Part #1300)
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$16.95 (Part #1300)

Contact strip, 4-note
$11.95 (Part #6310)
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$11.95 (Part #6310)

Contact strip, 7-note
$16.95 (Part #1302)
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$16.95 (Part #1302)

Contact strip, 8-note
$16.95 (Part #1301)
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$16.95 (Part #1301)

Encoder, rotary
For Tune
$16.95 (Part #1125)
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For Tune
$16.95 (Part #1125)

Key contact board, 24-note (Low), Roland/Rhodes
$29.95 (Part #5721)
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$29.95 (Part #5721)

Key contact board, 32-note (Mid), Roland/Rhodes
$34.95 (Part #5722)
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$34.95 (Part #5722)

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)

Knob, rotary, Roland
For Tune
$7.95 (Part #2188)
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For Tune
$7.95 (Part #2188)

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

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

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

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

Power inlet jack
For DC Out
$5.95 (Part #3062)
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For DC Out
$5.95 (Part #3062)

Power switch cap, black
$9.95 (Part #3491)
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$9.95 (Part #3491)

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

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

Slide potentiometer, 10KB, 30mm
For Brilliance, Tremolo, Rev Control
$17.95 (Part #4682)
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For Brilliance, Tremolo, Rev Control
$17.95 (Part #4682)

Slider knob, Roland
$6.95 (Part #1283)
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$6.95 (Part #1283)

Style 20W key, black note
$12.95 (Part #K20WBL)
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$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)
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$14.95 (Part #K20WB)

Style 20W key, note C
$14.95 (Part #K20WC)
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$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)
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$14.95 (Part #K20WF)

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

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