Casio M-300 manual Contents, Specifications

CONTENTS
Specification	2
Block Diagram	3
Circuit Description	3
PCB View and Major Waveforms	5
Schematic Diagrams	6
Exploded View	8
Parts List	9

	SPECIFICATIONS
General
Number of Keys:	32
Polyphonic:	4-note
Preset Tones:	8
Preset Effects:	6
Preset Phrases:	4
Demonstration Tunes:	6
Function Dial:	Magical sound dial
Built-In Speaker:	8 cm dia. 1.0 W Input Rating: 1 pce.
Power Source:	5 AA size dry batteries
	Battery life: approx. 6 hours (SUM-3/R6P)
Power Consumption:	1.5 W
Dimensions (HWD):	58 x 439 x 205 mm
	(2-1/4 x 17-1/4 x 8-1/16 inches)
Weight:	0.99 kg (2.2 lbs) including batteries

Electrical

Current Drain with 7.5 V DC:
NoSound Output	33 mA +/-20%
Maximum Volume	170 mA +/-20%
with keys G3, A3, B3 and C4 pressed
in Street Organ tone, Volume; Maximum
Speaker output level at 4 Ω load:	640 mV +/-20%
with key C4 pressed in Street Organ tone
Volume; Maximum
Minimum Operating Voltage:	5.0 V

Nomenclature of Keys

F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5 F#5 G#5 A#5

F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6

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