Yamaha KB-280
Released in 2006The KB-280 Portatone is a 5-octave consumer keyboard 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

Battery cover, Yamaha
$14.95 (Part #2093)
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$14.95 (Part #2093)

Contact strip, 12-note
$13.95 (Part #3430)
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$13.95 (Part #3430)

Contact strip, 13-note
For top octave only
$14.95 (Part #CS3431)
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For top octave only
$14.95 (Part #CS3431)

Key cushion, lower, 61-note
$8.95 (Part #5253)
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$8.95 (Part #5253)

Knob, black, Yamaha
For Volume
$7.95 (Part #3181)
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For Volume
$7.95 (Part #3181)

Music rest, Yamaha
$29.95 (Part #2065)
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$29.95 (Part #2065)

Phone jack, 1/4-inch, 2-pin PCB mount
For Sustain
$10.95 (Part #3869)
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For Sustain
$10.95 (Part #3869)

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

Pitch bend wheel spring, Yamaha
$4.95 (Part #6294)
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$4.95 (Part #6294)

Pitch bend/mod wheel, Yamaha
$8.95 (Part #2322)
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$8.95 (Part #2322)

Potentiometer, 10KB rotary
For Pitch Bend wheel
$10.95 (Part #4164)
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For Pitch Bend wheel
$10.95 (Part #4164)

Potentiometer, 5KAx2 rotary
For Volume
$8.95 (Part #5897)
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For Volume
$8.95 (Part #5897)

Power inlet jack
$5.95 (Part #3062)
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$5.95 (Part #3062)

Power switch cap, red
$8.95 (Part #1224)
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$8.95 (Part #1224)

Power switch, pushbutton
$11.95 (Part #2176)
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$11.95 (Part #2176)

Rubber foot, self-adhesive
$1.95 (Part #3433)
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$1.95 (Part #3433)

Speaker, tweeter assembly, Yamaha
$9.95 (Part #6817)
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$9.95 (Part #6817)

Style 48U key, top C note
$9.95 (Part #K48UC8)
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$9.95 (Part #K48UC8)

Style 48U keys, black key group
$12.95 (Part #K48UBL)
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$12.95 (Part #K48UBL)

Style 48U keys, C-E-G-B group
$12.95 (Part #K48UC)
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$12.95 (Part #K48UC)

Style 48U keys, D-F-A group
$12.95 (Part #K48UD)
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$12.95 (Part #K48UD)