Possibly a dead internal memory battery? Likely on the main board inside. I’m not sure if it used the typical button cell ex. 2032 or not in the CZ-1… Good Luck, Brian In Ohio From: vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com] Sent: Saturday, July 16, 2016 8:54 AM To: vintagesynthrepair@yahoogroups.com Subject: [vintagesynthrepair] Re: Casio CZ1 keyboard issue, please help me Hi all, i just change the battery with a new one and The keyboard are wrong, one notes sound ok but the scale is wrong and another keys sound too hight in tone and sustained until poder off, in the middle of keyboard all notes are sustained and too hight the key velocity touch is ok for all keys. Any idea about what happen. Thank you
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RE: [vintagesynthrepair] Re: Casio CZ1 keyboard issue, please help me
2016-07-21 by Brian Fuller