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PPG
Replacement Keys - Parts
Keyboard Service Center



Replacement Keys
These keys will replace broken ones on your keyboard. With the exception of the Top C note, all keys from octave to octave are identical, and all black keys within a given style are identical. In other words, a B note in the lowest octave uses the same key as a B note in any other octave. But the highest C note is different from the other C notes (see illustration below).

If you do not know the note names, on the 61-note keyboard shown below, the white keys from the bottom (left side) up are: C, D, E, F, G, A, B, and then the sequence repeats.

PPG Keyboard Notes

View keys for:
Wave 2.0   Wave 2.3



Parts
We stock both new and used parts; the individual item descriptions will specify whether a specific part is new or used. All used electronic parts are tested and guaranteed working.

This listing reflects our current inventory and is updated daily, so if a part is shown with a "Buy" button, we should have it in stock. If a part is not listed, or is shown as out of stock, then we do not have it.

If you are looking for a part that is not listed on our site, you can email us at sales@syntaur.com, but please understand that we get a large number of such requests, and it takes some time to research the availability of many parts. Please do not ask us to help diagnose problems with your keyboard. We simply don't have the resources to do this, and it is just not practical to diagnose any repair issues without being able to test the keyboard in person.

Diode Diode, for key contact board (Part #3788)
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Integrated Circuit IC, 4011 quad gate (Part #3391)
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Integrated Circuit IC, 74LS00 quad gate (Part #3429)
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Integrated Circuit IC, 74LS04 hex inverter (Part #3147)
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Integrated Circuit IC, 74LS138 decoder/demultiplexer (Part #3251)
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Integrated Circuit IC, 74LS244 buffer/line driver (Part #3424)
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Integrated Circuit IC, 74LS374 flip-flop (Part #4215)
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Integrated Circuit IC, 74LS42N monostable multivibrator (Part #4190)
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Integrated Circuit IC, CEM3310 envelope generator (Part #3716)
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Integrated Circuit IC, CEM3320 filter (Part #3717)
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Integrated Circuit IC, SSM2044 filter chip (Part #3720)
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PPG Wave J-wire guide J-wire guide, Wave 2.2 (Part #3182)
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PPG Wave Key Bracket Key bracket, white key, Wave 2.2 (Part #PRKB)
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Oberheim Key Bracket Key bracket, black key, Wave 2.2 (Part #PRKBB)
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PPG Key Bushing Key bushing, for all Wave (Part #4169)
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PPG Wave Key Return Spring Key return spring, white key, for Wave 2.0 (Part #KYSP17)
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PPG Wave Key Return Spring Key return spring, black key, for Wave 2.0 (Part #KEYSPM)
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PPG Wave Key Return Spring Key return spring, white key, for Wave 2.2 (Part #KEYSPM)
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PPG Wave Key Return Spring Key return spring, black key, for Wave 2.2 (Part #KYSP16)
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PPG Power Cord Power cord (Part #PC)
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Screws Screws, for Wave 2.2 keytops, pkg of 10 (Part #3923)
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