Casio ma 100 service manual
This is the 15 pages manual for casio ma 100 service manual.
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Page 1
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 B5C6 D#3 C#3 A#2 G#2 F#2 D#2 C#2 C2D2 E2F2 G2 A2B2 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 W load: 510 mV ± 20 % with key E2 pressed in Church Organ tone Volume; Maximum Minimum operating voltage: 5.5 V Nomenclature of Keys Ñ 2 Ñ
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BLOCK DIAGRAM CPU MSM6387-22 LSI101 Amplifier AN8053N IC101 Speaker Oscillator Q102, X101 VDD Keyboard Buttons Filter Q101 KO0 ~ KO8 KI0 ~ KI7 AVDD CIRCUIT DESCRIPTION Key Matrix KO0 ~ KO9 MSM6387-13 KI0 KI1 KI2 KI3 KI4 KI5 KI6 KI7 KO00 1 C2 C#2 D2 D#2 E2 F2 KO12 3 F#2 G2 G#2 A2 A#2 B2 KO24 5 C3 C#3 D3 D#3 E3 F3 KO36 7 F#3 G3 G#3 A3 A#3 B3 KO48 9 C4 C#4 D4 D#4 E4 F4 KO5Tone Rhythm F#4 G4 G#4 A4 A#4 B4 KO6Tempo UpTempo DownC5 C#5 D5 D#5 E5 F5 KO7Start/ StopFill-In F#5 G5 G#5 A5 A#5 B5 KO8Demo C6 KO9Normal FingeredCASIO Chord Ñ 3 Ñ