Yamaha PSR-400

Released in 1991

The PSR-400 Portatone is a 61-note consumer keyboard with built-in speakers.

Synth
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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.

Yamaha PSR-400 replacement keys
Replacement Keys
Battery cover, Yamaha
Battery cover, Yamaha
$9.95 (Part #5290)
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Button set, 2 buttons, Yamaha
Button set, 2 buttons, Yamaha
For MIDI
$3.95 (Part #7871)
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Button set, 2 buttons, Yamaha
Button set, 2 buttons, Yamaha
For Custom, Song Memory
$4.95 (Part #7865)
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Button set, 3 buttons, Yamaha
Button set, 3 buttons, Yamaha
For Demo
$4.95 (Part #7876)
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Button set, 5 buttons, Yamaha
Button set, 5 buttons, Yamaha
For Voice Memory
$6.95 (Part #7862)
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Button set, 5 buttons, Yamaha
Button set, 5 buttons, Yamaha
For Orchestration, Song Memory
$6.95 (Part #7867)
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Button set, 8 arrows, Yamaha
Button set, 8 arrows, Yamaha
For Accomp Volume, Transpose, Tuning, Tempo
$6.95 (Part #7868)
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Button set, 8 buttons, Yamaha
Button set, 8 buttons, Yamaha
For Accompaniment Control
$7.95 (Part #7860)
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Button set, numbers, Yamaha
Button set, numbers, Yamaha
For Style Select, Voice Select
$8.95 (Part #7866)
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Button, black, Yamaha
Button, black, Yamaha
For Auto Harmony, Dual Voice
$3.95 (Part #7873)
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Button, large, Yamaha
Button, large, Yamaha
For Play/Stop
$3.95 (Part #7875)
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Button, small, Yamaha
Button, small, Yamaha
For Split Point Change
$3.95 (Part #7874)
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Contact strip, 1-note, Yamaha
Contact strip, 1-note, Yamaha
$7.95 (Part #3374)
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Contact strip, 12-note, Yamaha
Contact strip, 12-note, Yamaha
$12.95 (Part #3373)
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Display bezel, Yamaha
Display bezel, Yamaha
$6.95 (Part #7859)
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IC, 74HC00 quad 2-input NAND gate
IC, 74HC00 quad 2-input NAND gate
$1.95 (Part #8391)
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IC, 74HC04 hex buffer
IC, 74HC04 hex buffer
$2.95 (Part #2272)
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IC, PC900 optocoupler
IC, PC900 optocoupler
$2.95 (Part #3704)
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Key contact board, Yamaha
Key contact board, Yamaha
$49.95 (Part #7878)
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Keybed cushion, 61-note
Keybed cushion, 61-note
$9.95 (Part #1059)
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Keybed MKS board, Yamaha
Keybed MKS board, Yamaha
$19.95 (Part #7854)
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LED bezel, Yamaha
LED bezel, Yamaha
$0.95 (Part #7877)
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LED board, Yamaha
LED board, Yamaha
$19.95 (Part #7853)
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Music rest, Yamaha
$29.95 (Part #1804)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Foot Switch
$7.95 (Part #4334)
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Phone jack, 1/4-inch, 7-pin PCB mount
Phone jack, 1/4-inch, 7-pin PCB mount
For Phones/Output
$7.95 (Part #3634)
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Pitch bend wheel assembly, Yamaha
Pitch bend wheel assembly, Yamaha
$17.95 (Part #7857)
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Power adapter, 12VDC, 2A
Power adapter, 12VDC, 2A
$29.95 (Part #PA1003)
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Power inlet jack
Power inlet jack
$5.45 (Part #3062)
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Rubber foot, self-adhesive
Rubber foot, self-adhesive
$1.95 (Part #3433)
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Slider knob, Yamaha
Slider knob, Yamaha
$3.95 (Part #6760)
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Speaker, Yamaha, 4.5 inch
Speaker, Yamaha, 4.5 inch
$12.95 (Part #9620)
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Style 59U key, top C note
Style 59U key, top C note
$9.95 (Part #K59UC8)
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Style 59U keys, black notes group
Style 59U keys, black notes group
$12.95 (Part #K59UBL)
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Style 59U keys, C-E-G-B group
Style 59U keys, C-E-G-B group
$13.95 (Part #K59UC)
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Style 59U keys, D-F-A group
Style 59U keys, D-F-A group
$12.95 (Part #K59UD)
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Transistor, 2SC2603E
Transistor, 2SC2603E
$5.95 (Part #10009)
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Volume slider board, Yamaha
Volume slider board, Yamaha
$12.95 (Part #7858)
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