Casio CTK-573, Service Manual

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CONTENTS
Page
Specifications .............................................................................................................................................. 1
Block Diagram ............................................................................................................................................. 3
Circuit Description ....................................................................................................................................... 4
Adjustment ................................................................................................................................................ 10
Major Waveforms ...................................................................................................................................... 11
Printed Circuit Boards ............................................................................................................................... 12
Schematic Diagrams ................................................................................................................................. 15
Exploded View .......................................................................................................................................... 20
Parts List ................................................................................................................................................... 21
SPECIFICATIONS
GENERAL
Keyboard: 61 standard-size keys, 5 octaves (with touch response on/off)
Tones: 137 (128 General MIDI tones + 9 drum tones); with layer and split
Rhythm Instrument Tones: 61
Polyphony: 24 notes maximum (12 for certain tones)
Auto Accompaniment
Rhythm Patterns: 100
Tempo: Variable (216 steps, = 40 to 255)
Chords: 3 fingering methods (CASIO CHORD, FINGERED, FULL RANGE CHORD)
Rhythm Controller: START/STOP, INTRO, NORMAL/NORMAL FILL-IN, VARIATION/VARIATION
FILL-IN, SYNCHRO/ENDING
Accomp Volume: 0 to 127 (128 steps)
One Touch Presets: Recalls settings for tone, tempo, layer, split, and accompaniment volume in
accordance with rhythm.
3-step Lesson: 3 lessons (Step 1, 2, 3)
Playback: Repeat play of a single tune
Song Bank, Etude, Concert Piece
Number of Tunes: 100 (Song Bank: 50, Etude: 20, Concert Piece: 30)
Controllers: PLAY/PAUSE, STOP, FF, REW, LEFT/TRACK 1, RIGHT/TRACK 2
Musical Information Function: Tone, Auto Accompaniment, Song Bank numbers and names; staff notation,
tempo, metronome, measure and beat number, step lesson display, chord name,
fingering, pedal operation, Keyboard, Piano mark
Metronome: On/Off
Beat Specification: 1 to 6
Memory
Songs: 2
Recording Tracks: 2
Recording Method: Real-time
Memory Capacity: Approximately 5,200 notes (total for two songs)
MIDI: 16 multi-timbre receive, GM Level 1 standard