Casio CTK-330 User Manual

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CONTENTS
Specifications .......................................................................................................................... 2
Block Diagram ......................................................................................................................... 3
Circuit Description ................................................................................................................... 4
Major Waveforms .................................................................................................................... 7
Schematic Diagrams ............................................................................................................... 8
Printed Circuit Board ............................................................................................................. 10
Exploded View ...................................................................................................................... 11
Parts List ............................................................................................................................... 13
SPECIFICATIONS
GENERAL
Number of keys: 49
Polyphonic: 12-note
Preset tones: 100
Auto-rhythms: 50, Tempo control: 40 to 255
Accompaniment: Casio Chord, Fingered
Song bank: 20-tune
Tuning control: 440 Hz ± 50 cents
Built-in speakers: 4 inch dia. 2 W input rating: 2 pcs
Terminals: Stereo standard Jack (Output impedance: 100 ohm, Output voltage: 3 V (rms)
MAX
Power source: 2-way AC or DC source
AC: AC adapter
DC: 6 AA size dry batteries
Power consumption: 7.2 W
Dimensions(HWD): 988 × 311 × 125 mm (38-15/16 × 12-1/4 × 4-15/16 inches)
Weight: 3.5 kg (7.7 lbs) excluding batteries
ELECTRICAL
Current drain with 9 V DC:
No sound output 120 mA ± 30%
Maximum volume 650 mA ± 30%
with white keys C1 to G2 pressed in Synth-Lead 1
Volume: 9
Phone output Level (Vrms with 8 ohm load each channel):
with key E3 pressed in Synth-Lead 1 80 mV ± 30%
Sound Pressure (at 10 cm away from speaker):
with key E3 pressed in Synth-Lead 1 100 dB ± 10 dB
Minimum operating voltage: 6.0 V

Casio CTK-330 Specifications

General

Brand	Casio
Model	CTK-330
Category	Electronic Keyboard
Language	English