Casio MA-100 Service Manual

Contents

Casio MA-100 Service Manual Manual pdf 2 page image

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#5F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6D#3C#3A#2G#2F#2D#2C#2C2 D2 E2 F2 G2 A2 B2 C3 D3 E3CONTENTSSpecifications .................................................................. 2Block Diagram ................................................................. 3Circuit Description ........................................................... 3Troubleshooting ............................................................... 5Major Waveforms ............................................................ 8Schematic Diagrams ....................................................... 9PCB View ...................................................................... 11Exploded View ............................................................... 12Parts List ....................................................................... 13SPECIFICATIONSGENERALNumber of keys: 49Polyphonic: 8-notePreset tones: 100Auto-rhythms: 100Auto-accompaniment: CASIO Chord/FingeredDemonstration tune: Classical MedleyBuilt-in speakers: 8 cm dia. 1.1 W Input Rating: 1 pc.Terminal: AC Adapter Jack (DC 7.5 V)Power source: 2-way AC or DC sourceAC: AC adapterDC: 5 AA size dry batteriesPower consumption: 1.8 WDimensions(HWD): 63 x 650 x 217 mm(2-1/2 x 25-9/16 x 8-1/2 inches)Weight: 1.4 kg (3.1 lbs) excluding batteriesELECTRICALCurrent drain with 9V DC:No sound output 34 mA ± 20%Maximum volume 110 mA ± 20%with keys C3, D3, E3 and F3 pressedin Church Organ tone, Volume; MaximumSpeaker Output Level at 4 Ω load: 510 mV ± 20 %with key E2 pressed in Church Organ toneVolume; MaximumMinimum operating voltage: 5.5 VNomenclature of Keys— 2 —