Yamaha PSR-78

The PSR-78 Portatone is a 49-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-78 replacement keys
Replacement Keys
Battery contacts, Yamaha
Battery contacts, Yamaha
$8.95 (Part #1215)
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Button set, Yamaha
Button set, Yamaha
$16.95 (Part #1660)
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Circuit board, XR675, Yamaha
Circuit board, XR675, Yamaha
$19.95 (Part #1136)
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Contact strip, 1-note, Yamaha
Contact strip, 1-note, Yamaha
$7.95 (Part #CS3191)
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Contact strip, 12-note, Yamaha
Contact strip, 12-note, Yamaha
$11.95 (Part #CS3190)
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Display, LCD, Yamaha
Display, LCD, Yamaha
$19.95 (Part #1521)
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Key contact board, Yamaha
Key contact board, Yamaha
$41.95 (Part #1132)
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Knob, black, Yamaha
Knob, black, Yamaha
For Volume
$5.95 (Part #3181)
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Main board, Yamaha PSR-78
Main board, Yamaha PSR-78
$49.95 (Part #1284)
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Music rest, Yamaha
Music rest, Yamaha
$29.95 (Part #3980)
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Panel contact board, Yamaha
Panel contact board, Yamaha
$24.95 (Part #1165)
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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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Potentiometer, 10KAx2 rotary
Potentiometer, 10KAx2 rotary
For Master Volume
$12.95 (Part #1266)
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Power inlet jack
Power inlet jack
$5.45 (Part #3062)
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Power switch assembly, Yamaha
Power switch assembly, Yamaha
$18.95 (Part #1225)
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Power switch cap, red
Power switch cap, red
$6.95 (Part #1224)
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Power switch, pushbutton
Power switch, pushbutton
$11.95 (Part #2176)
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Speaker, Yamaha
Speaker, Yamaha
$10.95 (Part #1271)
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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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Volume board, Yamaha
Volume board, Yamaha
$19.95 (Part #1187)
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