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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 ± 50 cents
Built-in speakers: 12 cm dia. 2 W input rating: 2 pcs.
MIDI: 16 multi-channel reception
Terminals: Phone Jack [Output impedance: 50 Ω, Output voltage: 4.0 V(rms) MAX],
MIDI Jacks (IN, OUT), AC Adapter Jack (9 V)
Auto power off: Approximately 6 minutes after the last operation
Power source: 2-way AC or DC source
AC: AC adapter AD-5
DC: 6 D size dry batteries
Battery life: approx. 5 hours by manganese batteries R20P/SUM-1
Power consumption: 7.7 W
Dimensions (HWD): 99 x 931 x 326 mm (3-7/8 x 36-5/8 x 12-13/16 inches)
Weight: 4.4 kg (9.7 lbs) excluding batteries
ELECTRICAL
Current Drain with 9 V DC:
No Sound Output 180 mA ± 20%
Maximum Volume 825 mA ± 20%
with keys C3 to E4 pressed in Synth-Lead 1 tone
Volume: maximum, Touch response: maximum