20 Most Recent Casio 76 Key Smartmedia Keyboard - Page 3 Questions & Answers


Google (casio)(ctk-150)(manual) without parens.

Casio Music | Answered on Nov 25, 2018


Sounds like you are overloading the capabilities. Basically, you have too many notes sounding at once. It doesn't have a massive amount of polyphony.

Casio Music | Answered on Nov 09, 2018


https://www.amazon.com/casio-keyboard-sustain-pedal/s?page=4&rh=i%3Aaps%2Ck%3Acasio%20keyboard%20sustain%20pedal

Casio Music | Answered on Oct 31, 2018


If you open up the case and look at the rear of the keys, I expect you will see that there is a small spring connected to the rear of each key. i suspect the unit was dropped in transit and some of these springs have popped off. If so, just reattach them using a pair of needle nose pliers. If however it was dropped hard enough to break the fingers that the springs attach to you'll have to replace those keys. This may be a repair shop job. it may also not be cost effective to do the job. Good Luck!

Casio Music | Answered on Oct 30, 2018


There is a test mode :
Hold down 0 1 2 whilst turning on
Not sure however if there is a factory reset option in the test menu

Casio Music | Answered on Aug 07, 2018


Casio generally speakeing work the opposit way around to Yamaha and most other power supplies.

- to centre pin
+ to outer

Check voltage on keyboard or in the manual to be 100% sure

Casio Music | Answered on Aug 07, 2018


This is likely a dirty contact thing... FIRST excersize them a bit to see if they come back.

Else you will have to clean them... If they are conductive rubber type, clean the board and the rubber contact pilss with 99% isoprophyl alcohol and Q tips.

Casio Music | Answered on May 16, 2018


Many Casio electronic instrument manuals are available here: http://support.casio.com/en/manual/manuallist.php?cid=008 . However, I found the CTK-519 manual at Manuals Lib: https://www.manualslib.com/manual/358021/Casio-Ctk-501.html .

I hope this helps.

Cindy Wells

Casio Music | Answered on Apr 19, 2018

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