Roland HP-1900G
Released in 1994The HP-1900G 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, red, with LED window, Roland
For Record
$4.95 (Part #6287)
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For Record
$4.95 (Part #6287)

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

Button, without LED window, Roland
For Reset, Stop, Bwd, Fwd
$3.95 (Part #4815)
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For Reset, Stop, Bwd, Fwd
$3.95 (Part #4815)

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

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 #7736)
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$9.95 (Part #7736)

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

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

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 Outputs
$9.95 (Part #3688)
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For Outputs
$9.95 (Part #3688)

Phone jack, 1/4-inch, 5-pin PCB mount
For Pedal
$12.95 (Part #2298)
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For Pedal
$12.95 (Part #2298)

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

Potentiometer, 10KB rotary with center detent
For Playback Balance
$7.95 (Part #2086)
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For Playback Balance
$7.95 (Part #2086)

Potentiometer, 10KBx2 rotary
For Brilliance
$7.95 (Part #5353)
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For Brilliance
$7.95 (Part #5353)

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

Power cord
$10.95 (Part #PCD)
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$10.95 (Part #PCD)

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)
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)
Click for details
$19.95 (Part #K20WC8)