Question about Casio Portable Keyboard Touch Sensitive Keys

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Casio PX700 sensors not working

My Casio PX 700 sensors do not seem to be working. They use to be touch-sensitive but now it doesn't matter how hard or soft I hit the key; it's all the same sound/volume. How can I fix this problem? Any suggestions would be much appreciated.


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  • tara537
    tara537 Oct 30, 2012

    I should have posted my comment here. I also need assistance. The Function button does not seem to make a difference as the manual button suggests.



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Hi. I don't have a 700, but on the other privia's I have seen, there is a function key combo to turn on and off the touch response. Go to casio, and download the manual. You hit "fn" and then one of the lower keys. There are 4 levels of sensitivity on my machine. -Don

Posted on Feb 16, 2009

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I have the same issue with my Casio Px-700. One day all of a sudden, there is no dynamic. I did look at the manual. And saw the option to hold down Function then C5 to reset - but it did not help. Any one else know how to actually fix this issue. I see I am not the only one with the problem.-Tara

Posted on Oct 30, 2012


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I have a Piano from Casio Named The PX830 BP.I also have a Sustain Pedal Model from Casio named the SP 33.Will connecting the SP 33 into the PX830 BP work?Please tell me if I have the wrong model.

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The sustain pedal is broken on my PX-700 and I would like to know if there are any replacement pedals on the market that are compatible?

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There are now 2 choices:
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For choice i)
Turn off power. You can now cut the old cable where it enters the pedal assembly & remove the pedal bar (held by 2 large screws).
Discard the pedal bar & old pedals.

Open new pedal base & desolder the screened cable (note the screen connection pad position).
a) Run the black cable wire to the new pedal screen pad & solder in place.
b) Join the grey & brown wires & solder to the other pad.

Insulate the unused (yellow/red) wires.
Replace pedal base - JOB DONE!

For choice ii)
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Problem. The above pedal is 9" overall, so may be placed sideways, so as not to be too far forward.
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If you don't have a manual, download it here:

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