Question about Casio PX3 Privia 88Key Digital Stage Piano

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My Casio PX3 On note g4, works normally then the note intermittently plays with full velocity

I'm playing normally, not very hard (I'm classically trained and have good technique) when the note G4 will suddenly play at 127 (full velocity) The problem seems to be getting worse. What does Casio use in the action to achieve velocity sensitivity? Also, any instructions on taking the keyboard apart?

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You are suffering from midi latency. There is a good article about this at www.thewhippinpost.co.uk/latency.htm There is also some good advice there.

Posted on Jun 23, 2009

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SOURCE: My Casio Privia PX-110 is playing two notes at

IF every key sounds like it is doing that, you may have two voices selected with one of them being transposed.

You may have an "effect" turned on that generates a chorus, layered or multiple voice sounds.

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SOURCE: Casio CTK-651 keyboard wont switch on

An internal fuse is UNLIKELY.

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SOURCE: Casio CTK-671 No Sound

phylomedusa, I have the exact same problem???

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SOURCE: My Casio Px 330 keyboard

This is a problem with one of the two contacts for that key. The contacts close at different times as the key is depressed and the time it takes between is measured as velocity which is used to control the loudness as in a regular piano. The contacts are conductive rubber pills. After a lot of dis-assembly you can clean them with 99% isoprphyl alcohol and Q Tips. Clean both the pills and the circuit traces on the board they are pressed against. Be very careful of the ribbon cables between the halves of the case.

Posted on Jun 02, 2011

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