Question about Music
Some keys stick,other's are "dead keys' that don't sound when pressed
Sounds like either the contacts are dirty or worn out. Solution clean / replace.
Posted on Jan 08, 2013
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Posted on Jan 02, 2017
Most of these have VELOCITY sensing and that involves two contacts per note. If the velocity sense on those notes is somehow not working, broken wire or trace on the board or short that MIGHT cause your problem.
Posted on Aug 24, 2009
One portion of the key scanning matrix has gone bad. First thing is to clean the contacts with 99% isoprophyl alcohol. These USUALLY consist of traces on a circuit board that conductive rubber "pills" under silicone rubber domes are pressed down. Each note usually has two contacts, one closes before the other. This creates "velocity" measurement for the key. IF ONE of the contacts for a key doesn't work, the velocity can detect that the note has actuated, but no release occurs.
This would be on the "STROBE" line for either the first or second contact for THE OCTAVE you have problem with. There are disconnect diodes that prevent sneak paths.
You could have one bad diode, a crack in the circuit board, or a bad connection to the keyswitch board.
Posted on Nov 27, 2009
The keyboard has a mic jack that is the same size as the headphones. You probably put the headphone plug into the wrong jack is all.
Posted on Jan 10, 2010
This is likely a problem in the scanning matrix of the keys and switches. Other than opening the unit and looking for contamination like a metal shard or a loose cable, it is unlikley you will be ablle to repair the unit yourself. There could easily be a metal part shorting something that is causing the problem, but it could also be a bad IC someplace in the circuitry or even a cracked circuit board.
Posted on May 14, 2010
Pat, the USB output on the Casio WK-210 is only capable of sending and receiving MIDI information. It's not sending any digital or analog audio. Audacity is primarily for sound file editing.
In order to use the keyboard to record onto your computer you can connect an audio cable from the 1/8" stereo mini-jack to an input on your computer. Then you can record into Audacity.
Or you can acquire MIDI recording software (ie. Logic, Cubase) and then using the USB output on the keyboard, you can control and record multiple MIDI instruments in those programs.
Posted on Mar 01, 2011
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