Casio MA-100 User Manual

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
D#3
C#3A#2G#2F#2
D#2
C#2
C2
D2
E2
F2
G2
A2
B2 C3 D3 E3
CONTENTS
Specifications .................................................................. 2
Block Diagram ................................................................. 3
Circuit Description ........................................................... 3
Troubleshooting............................................................... 5
Major Waveforms ............................................................8
Schematic Diagrams ....................................................... 9
PCB View ...................................................................... 11
Exploded View............................................................... 12
Parts List ....................................................................... 13
SPECIFICATIONS
GENERAL
Number of keys: 49
Polyphonic: 8-note
Preset tones: 100
Auto-rhythms: 100
Auto-accompaniment: CASIO Chord/Fingered
Demonstration tune: Classical Medley
Built-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 source
AC: AC adapter
DC: 5 AA size dry batteries
Power consumption: 1.8 W
Dimensions(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 batteries
ELECTRICAL
Current drain with 9V DC:
No sound output 34 mA ± 20%
Maximum volume 110 mA ± 20%
with keys C3, D3, E3 and F3 pressed
in Church Organ tone, Volume; Maximum
Speaker Output Level at 4 Ω load: 510 mV ± 20 %
with key E2 pressed in Church Organ tone
Volume; Maximum
Minimum operating voltage: 5.5 V
Nomenclature of Keys
— 2 —

Casio MA-100 Specifications

General

Brand	Casio
Model	MA-100
Category	Electronic Keyboard
Language	English