Question about Yamaha Full-Size Keyboard
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Posted on Jan 02, 2017
Hi John. Doesn't sound good at all. Your Digital piano is an expensive piece of kit and I would seek a professional repairer to put it right. I would Contact Yamaha Kemble and seek advice.
At the end of the keys are small optical sensors that pick up your keysrokes and turn that into Digital Data. I would suspect that the water has shorted them out and they might need replacing.
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Posted on Jan 02, 2009
What I figured out is that when i turn on the keyboard, if i hold down the pedal by accident, it will work in reverse. I dont know if this is what you mean. If it is, just dont touch the pedal when you turn it on. If it isn't, try to return the pedal. I dropped one, it had this problem, and they gave me a new one. Your cord for it might have been bent (?). Also, turn the keyboard on with the pedal already plugged in. It's not made to be plugged in while it's on. Hope this helps. - Matthew
Posted on May 15, 2009
SOURCE: The sustain is on all the time.
The pedal activates a microswitch fitted to the circuit board. I suspect for some reason unbeknown to man and spirits this switch has become "stuck" or collapsed. If the latter then it has to be replaced as they are soldered to the board. You coulod open the unit trace the pedal back to the sustain switch and "jiggle" it manually to try and release it. A small amount of WD40 on your finger and rubbed over the pole of the switch( do not spray it) should help it to stay releaased until wanted. If you see corrosion on the board near the switch then take it to a music repair shop as this corrosion is like a cancer and will spread to other keys.Mice piddle is not unusual on keyboards and a great destroyer.
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Posted on Dec 02, 2009
Sorry to bring the bad news but the PSR300 does NOT have a connection for a sustain pedal.
It will however recognize a MIDI command for sustain so if you had a MIDI sustain pedal that emitted controller 64 code, you could use that.
It is UNLIKELY you would want to do this as such devices are not readily availablle. If you slaved this from another synth that had a sustain pedla capabilty you could play booth together and use the sustain of the other synth.
Posted on Jan 06, 2010
Hi, I had the same problem, but I have an easy solution. I am trying to connect an FC5 to a Casio CTK-3000. The problem is open vs closed circuit in the pedal and the way that the casio interprets the info. Paulll's fix is correct, but you do not have to use soldering. Simply remove the cover, unscrew the silver screw, and you will notice that the black contraption that holds the two metal strips has one side that pops off. Pop off this side.
Now, notice that the short strip is on top and the long strip is on the bottom. The way the strips bend mean that the circuit is closed when there is no pressure on the pedal. When you press the pedal, the white knob on the long strip pushes the long strip down and breaks the connection with the short strip.
What you need to do now is remove the two strips and slide them back into the black contraption with the long strip on top and the short strip on the bottom. The white knob on the long strip should be facing up. Make sure when you do this that you hook the short strip over that little horizontal black plastic rod so that it will easily contact the long strip when the long strip is pressed down.
By bending the top (long) strip a little, you can make it so that the long strip does not touch the bottom (short) strip in the relaxed position. Make sure that the ends of the strips where the wires join do not touch each other either. You now have an open circuit in the relaxed position, which is what Casio recognizes as NO PEDAL.
Pop the side piece back on the black contraption and screw the black contraption back in place with the silver screw. Set the spring back in place and reattach the 'pedal'. Make sure that there is enough clearance between the top of the white knob and the inside of the pedal so that the circuit remains open in the relaxed position.
Now, if the two strips are NOT touching each other, when you plug it into your Casio, the Casio will not recognize the pedal, which is good. When you push on the pedal, you will close the circuit and the Casio will recognize the pedal.
If you push on the pedal and nothing happens, then the two strips are not contacting each other in the fully pressed position. Take the unit apart and try again.
If the Casio still recognizes the pedal even though you are not pushing on it, then the two strips are contacting each other at any place along their length. Take the unit apart and try again.
Enjoy your new working pedal!
PS. If you Casio won't work with your computer, there is a fix out there for that too. It involves removing (or renaming) some files that Logitech loads on to your computer when you install a webcam. Weird, but true.
Posted on Jan 27, 2010
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