Roland HP-1800
Released in 1993The HP-1800 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
$11.95 (Part #2257)
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$11.95 (Part #2257)

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

Phone jack, 1/4-inch, 4-pin PCB mount
For Inputs, Outputs
$12.95 (Part #3688)
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For Inputs, Outputs
$12.95 (Part #3688)

Phone jack, 1/4-inch, 5-pin PCB mount
For Pedal
$13.95 (Part #2298)
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For Pedal
$13.95 (Part #2298)

Phone jack, 1/4-inch, 6-pin PCB mount
For Headphones
$10.95 (Part #2074)
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For Headphones
$10.95 (Part #2074)

Potentiometer, 10KB rotary
For Tune
$8.95 (Part #3683)
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For Tune
$8.95 (Part #3683)

Potentiometer, 10KB rotary
For Brilliance
$8.95 (Part #3935)
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For Brilliance
$8.95 (Part #3935)

Potentiometer, 10KBx2 with center tap
For Volume
$11.95 (Part #5356)
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For Volume
$11.95 (Part #5356)

Power cord
$12.95 (Part #PCD)
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$12.95 (Part #PCD)

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

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)

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)