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CTK-530
ELECTRONIC KEYBOARD
CONTENTS
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Major waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PCB View and Check Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Schematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SPECIFICATIONS
GENERAL
Number of keys: 61
Polyphonic: 24-note
Preset tones: 64
Keyboard controls: Touch response: On/Off,
Key transpose: Range from F# to F by a semitone increment
Auto-rhythms: 64, Tempo control: 40 to 255
Auto-accompaniment: Mode: CASIO Chord/Fingered/Full-Range Chord 1/Full-Range Chord 2
Controller: Fill-In, Synchro/Ending
Digital volume controls: Main volume: 10 steps
Accompaniment volume: 100 steps
Demo tunes: 3, A Night has 9000 Bars (arranged and programmed byThomas Hirsch)
Wanting This (Edward Alstrom)
Supersonic Remorse (Edward Alstrom)
Tuning control: 440Hz