Yamaha CP-40
Released in 2013The CP-40 is an 88-note digital stage 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

Button, black with LED window, Yamaha
$4.95 (Part #2864)
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$4.95 (Part #2864)

Button, black, Yamaha
$7.95 (Part #3538)
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$7.95 (Part #3538)

Contact strip, 11-note
$13.95 (Part #4759)
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$13.95 (Part #4759)

Contact strip, 12-note
$13.95 (Part #4758)
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$13.95 (Part #4758)

Contact strip, 5-note
$10.95 (Part #4760)
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$10.95 (Part #4760)

Encoder
For Voice Select
$9.95 (Part #5077)
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For Voice Select
$9.95 (Part #5077)

Encoder knob, Yamaha
$9.95 (Part #3432)
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$9.95 (Part #3432)

Hammer weight #1, black key, Yamaha
$5.95 (Part #5380)
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$5.95 (Part #5380)

Hammer weight #1, white key, Yamaha
$5.95 (Part #4434)
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$5.95 (Part #4434)

Hammer weight #2, black key, Yamaha
$5.95 (Part #5358)
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$5.95 (Part #5358)

Hammer weight #2, white key, Yamaha
$5.95 (Part #4481)
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$5.95 (Part #4481)

Hammer weight #3, white key, Yamaha
$5.95 (Part #4515)
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$5.95 (Part #4515)

Hammer weight #4, black key, Yamaha
$5.95 (Part #4755)
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$5.95 (Part #4755)

Key actuator pad, rubber, Yamaha
$2.95 (Part #1268)
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$2.95 (Part #1268)

Key contact board, 24-note (Upper), Yamaha
$24.95 (Part #5785)
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$24.95 (Part #5785)

Key contact board, 30-note (Mid), Yamaha
$29.95 (Part #5784)
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$29.95 (Part #5784)

Key contact board, 34-note (Low), Yamaha
$49.95 (Part #5783)
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$49.95 (Part #5783)

Key return flat spring
$2.95 (Part #KEYSPY)
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$2.95 (Part #KEYSPY)

Key return flat springs, pkg of 10
$23.95 (Part #KEYSPYX)
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$23.95 (Part #KEYSPYX)

Keybed assembly, 88-note, Yamaha
$395.95 (Part #9556)
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$395.95 (Part #9556)

Keybed cushion, 88-note, lower
(Hammers rest against this)
$34.95 (Part #4756)
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(Hammers rest against this)
$34.95 (Part #4756)

Keybed cushion, 88-note, Yamaha
(Hammers strike against this)
$33.95 (Part #7191)
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(Hammers strike against this)
$33.95 (Part #7191)

Knob, Yamaha
For Master Volume
$7.95 (Part #3128)
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For Master Volume
$7.95 (Part #3128)

Phone jack, 1/4-inch, 4-pin PCB mount
For all jacks
$10.95 (Part #4978)
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For all jacks
$10.95 (Part #4978)

Pitch bend/mod wheel rubber, Yamaha
$3.95 (Part #7122)
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$3.95 (Part #7122)

Pitch bend/mod wheel, Yamaha
$9.95 (Part #4963)
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$9.95 (Part #4963)

Potentiometer, 10KB rotary
For mod wheel
$9.95 (Part #3479)
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For mod wheel
$9.95 (Part #3479)

Potentiometer, 10KB rotary
For Volume
$8.95 (Part #2726)
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For Volume
$8.95 (Part #2726)

Potentiometer, 10KB rotary with center tap
For pitch bend wheel
$9.95 (Part #3713)
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For pitch bend wheel
$9.95 (Part #3713)

Power adapter, 12VDC, 2A
$29.95 (Part #PA1003)
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$29.95 (Part #PA1003)

Power inlet jack
$7.95 (Part #2133)
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$7.95 (Part #2133)

Power switch cap, black, round
$6.95 (Part #5701)
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$6.95 (Part #5701)

Power switch, pushbutton
$6.95 (Part #6153)
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$6.95 (Part #6153)

Pushbutton tact switch, 7.3mm, 4-pin
For Split, Layer, Main, Performance Play/Select
$1.95 (Part #4495)
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For Split, Layer, Main, Performance Play/Select
$1.95 (Part #4495)

Pushbutton tact switch, 7mm, 2-pin
For buttons with LEDs
$1.95 (Part #2098)
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For buttons with LEDs
$1.95 (Part #2098)

Pushbutton tact switch, 9.5mm, 2-pin
For buttons without LED (except Split, Layer, Main, Performance Play/Select)
$1.95 (Part #4801)
Click for details
For buttons without LED (except Split, Layer, Main, Performance Play/Select)
$1.95 (Part #4801)

Pushbutton tact switches, pkg of 10
For buttons without LED (except Split, Layer, Main, Performance Play/Select)
$11.95 (Part #4801X)
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For buttons without LED (except Split, Layer, Main, Performance Play/Select)
$11.95 (Part #4801X)

Rubber foot, 3/4-inch tall
$4.95 (Part #2842)
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$4.95 (Part #2842)

Slide potentiometer, 10KB, 20mm
For Main, Layer, Split
$15.95 (Part #6857)
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For Main, Layer, Split
$15.95 (Part #6857)

Slide potentiometer, 10KB, 20mm with center detent
For EQ
$15.95 (Part #2844)
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For EQ
$15.95 (Part #2844)

Slider knob, Yamaha
$3.95 (Part #9936)
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$3.95 (Part #9936)

Spring for pitch bend wheel
$3.95 (Part #4028)
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$3.95 (Part #4028)

Style 23U key, black note
$9.95 (Part #K23UBL)
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$9.95 (Part #K23UBL)

Style 23U key, bottom A note
$13.95 (Part #K23UAB)
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$13.95 (Part #K23UAB)

Style 23U key, note A
$12.95 (Part #K23UA)
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$12.95 (Part #K23UA)

Style 23U key, note B
$12.95 (Part #K23UB)
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$12.95 (Part #K23UB)

Style 23U key, note C
$12.95 (Part #K23UC)
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$12.95 (Part #K23UC)

Style 23U key, note D
$12.95 (Part #K23UD)
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$12.95 (Part #K23UD)

Style 23U key, note E
$12.95 (Part #K23UE)
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$12.95 (Part #K23UE)

Style 23U key, note F
$12.95 (Part #K23UF)
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$12.95 (Part #K23UF)

Style 23U key, note G
$12.95 (Part #K23UG)
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$12.95 (Part #K23UG)

Style 23U key, top C note
$13.95 (Part #K23UC8)
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$13.95 (Part #K23UC8)

USB connector
$6.95 (Part #3487)
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$6.95 (Part #3487)