Question about Casio Cdp-100 88 Note Digital Piano
Posted by Anonymous on
Try this first with the piano off, run the control from stop to stop rapidly several times. The object is to clean off any dust deposits and shine the contacts inside the pot. If the pot is not damaged beyond repair, then this should fix it.
Posted on Dec 06, 2016
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Posted on Jan 02, 2017
Sounds like the built in amplifier is going down. You could put it in to a music shop and have it repaired or buy a small 10 watt amplifier and plug in from you headphone socket to the amplifier. I suppose it depends what is the cheapest way to go and how much you are prepared to spend as the keyboards are pretty cheap nowadays especially on Internet shops.
Posted on Sep 13, 2009
SOURCE: Scratchy volume potentiometer
Try cleaning your volume potentiomenter with contact cleaner (they come in spray can's), the scratchy sound is audible when you turn your volume control on, the contacts inside your potentiometer accumulated dust or some other particles.
Posted on Aug 12, 2010
Yes, active use different value pots than passive. The volume control is LIKELY an "audio taper" which can be either an "A" or a "B" marking as there is confusion about the marking. The resistance is likely around 500K ohms down to as low as 50K ohms. The marking MIGHT be something like 504 B or 503 B or the same with the letter "A".
An A500 pot might be only 50 ohms... That would result in very low output. Again, the marking in the industry is not consistent.
Best bet is to get the part from Yamaha. Go to Yamaha America "parts" dept in California. You can search the phone number with Google.
Posted on Oct 11, 2010
SOURCE: I have a Casio Privia
Beofore you replace it, if it is only scratchy give it a good working by sliding it back and forth a rew dozen times. (if it is a slider type) If you can get some electrical contact cleaner with a thin plastic tube, try squirting that into it and work it again, if that fails, then look at the volume control replacement.
Posted on May 06, 2011
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