Roland HP-450
Released in 1985The HP-450 is an 88-note electronic 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)

IC, 4011 quad gate
$2.95 (Part #3391)
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$2.95 (Part #3391)

MIDI jack, female
For MIDI Out, Thru (not In)
$9.95 (Part #5325)
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For MIDI Out, Thru (not In)
$9.95 (Part #5325)

Phone jack, 1/4-inch, 3-pin PCB mount
For Inputs, Outputs, Pedals
$12.95 (Part #4546)
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For Inputs, Outputs, Pedals
$12.95 (Part #4546)

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

Pushbutton tact switch
$8.95 (Part #3568)
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$8.95 (Part #3568)

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

Slide switch, 3-position
For Level
$16.95 (Part #2592)
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For Level
$16.95 (Part #2592)

Style 85W key, black note
$10.95 (Part #K85WBL)
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$10.95 (Part #K85WBL)

Style 85W key, bottom A note
$16.95 (Part #K85WAB)
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$16.95 (Part #K85WAB)

Style 85W key, note A
$12.95 (Part #K85WA)
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$12.95 (Part #K85WA)

Style 85W key, note B
$12.95 (Part #K85WB)
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$12.95 (Part #K85WB)

Style 85W key, note C
$12.95 (Part #K85WC)
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$12.95 (Part #K85WC)

Style 85W key, note D
$12.95 (Part #K85WD)
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$12.95 (Part #K85WD)

Style 85W key, note E
$12.95 (Part #K85WE)
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$12.95 (Part #K85WE)

Style 85W key, note F
$12.95 (Part #K85WF)
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$12.95 (Part #K85WF)

Style 85W key, note G
$12.95 (Part #K85WG)
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$12.95 (Part #K85WG)

Style 85W key, top C note
$16.95 (Part #K85WC8)
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$16.95 (Part #K85WC8)