Question about Casio Celviano Electronic Keyboard Ap-40

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My Celviano AP-22S / AP-40 has stopped working. We need the small

We seem to need the smaller of the two computer chips replaced. Can u pls advise where I might be able to acquire same. Thanks. Jennifer St.Vincent Caribbean email hudwil@hotmail.com

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Posted on Jan 02, 2017

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SOURCE: Our Casio Celviano AP-620 won't

My AP-620 has a pedal problem too... it sticks and I keep hearing the music I play ring out after the pedal is relaesed

Posted on Mar 08, 2011

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SOURCE: I NEED CASIO EX-40 FIRMWRE,PLEASE SEND IT TO MY

Hi,
Click here to get the firmware of your camera.Reply directly in your e-mail is not possible until approval of the moderator so please check you thread and get help.
Thanks.

Posted on May 14, 2011

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SOURCE: ok i was playnig on

What has happened is that one signal wire of the matrix that scans the keyboard has opened up. Each key has two contacts. One closes before the other and that is how they measure key velocity to control the loudness for piano sounds for example. When one contact doesn't work, often the sound is set to MAXIMUM key velocity resulting in MAX loudness. The key contacts are scanned digitally in groups of usually 8 or 12 and, for instance, every C key has a single line attached and then every group of 8 or 12 has a second line and then there are two complete sets of these to implement the velocity sensing. Your unit probably has either a break in a cable or possibly a cable connector that has failed or not seated OR worst case, the circuit board under the keys has a crack breaking one wire or circuit trace going to that section of the keys. The problem will require opening the keyboard to repair. If you are not electronically adept, besst to take this to a repair shop.

Posted on Aug 14, 2011

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http://support.casio.com/pdf/008/AP620_6_E_1A_web.pdf
E-48
Using a Memory Card
You can use the procedure below to play back a user
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Memory Card Folders
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Casio AP-5 "Celviano" Digital Piano Owners Manual


go to web site user-mauals.com

search for ap-5

Jun 24, 2008 | Audio Players & Recorders

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