Roland HP-900
Released in 1991The HP-900 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
For all panel buttons
$9.95 (Part #4904)
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For all panel buttons
$9.95 (Part #4904)

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)

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, 76-note
For lower felts (keys rest against this cushion)
$9.95 (Part #9044)
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For lower felts (keys rest against this cushion)
$9.95 (Part #9044)

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

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)

Potentiometer, 10KB rotary
For Tune
$8.95 (Part #1058)
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For Tune
$8.95 (Part #1058)

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

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)

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)

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, 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)

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)

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

Style 20W key, bottom E note
$19.95 (Part #K20WEB)
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$19.95 (Part #K20WEB)

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)
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 G note
$19.95 (Part #K20WGT)
Click for details
$19.95 (Part #K20WGT)