Casio M-300 Service Manual

Contents

Casio M-300 Service Manual Manual pdf 2 page image

— 2 —CONTENTSSpecification .................................................................... 2Block Diagram ................................................................. 3Circuit Description ........................................................... 3PCB View and Major Waveforms .................................... 5Schematic Diagrams ....................................................... 6Exploded View ................................................................. 8Parts List ......................................................................... 9SPECIFICATIONSGeneralNumber of Keys: 32Polyphonic: 4-notePreset Tones: 8Preset Effects: 6Preset Phrases: 4Demonstration Tunes: 6Function Dial: Magical sound dialBuilt-In Speaker: 8 cm dia. 1.0 W Input Rating: 1 pce.Power Source: 5 AA size dry batteriesBattery life: approx. 6 hours (SUM-3/R6P)Power Consumption: 1.5 WDimensions (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 batteriesElectricalCurrent Drain with 7.5 V DC:NoSound Output 33 mA +/-20%Maximum Volume 170 mA +/-20%with keys G3, A3, B3 and C4 pressedin Street Organ tone, Volume; MaximumSpeaker output level at 4 Ω load: 640 mV +/-20%with key C4 pressed in Street Organ toneVolume; MaximumMinimum Operating Voltage: 5.0 VNomenclature of KeysF#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5 F#5 G#5 A#5F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6