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Casio CTK-620L Service Manual

Casio CTK-620L
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SPECIFICATIONS
GENERAL
Keyboard: 61 standard-size keys, 5 octaves (with touch response on/off)
Key light system: Can be turned on and off (up to 10 keys can be lit at the same time)
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)
Digital effects: 3 reverb types (HALL, STAGE, ROOM)
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/NORMARL FILL-IN, VARIATION/
VARIATION FILL-IN, SYNCHRO/ENDING
Accomp volume: 0 to 127 (128 steps)
3-step lesson: 3 lessons (step 1, 2, 3)
Playback: Repeat play of a single tune
Song bank
Number of tunes: 100
Controllers: PLAY/PAUSE, STOP, FF, REW, LEFT, RIGHT
Musical information function: Tone, Auto Accompaniment, Song Bank numbers and names; staff nota-
tion, tempo, metronome, measure and beat number, step lesson display,
chord name, dynamic mark, fingering, pedal operation
Metronome: On/Off
Beat specification: 1 to 6
Memory
Songs: 2
Recording tracks: 2
Recording methods: Real-time, step
Memory capacity: Approximately 5,200 notes (total for two songs)
MIDI: 16 multi-timbre receive, GM Level 1 standard
Other functions
Transpose: 25 steps (–12 semitones to +12 semitones)
Tuning: 101 steps (A4 = approximately 440 Hz ± 50 cents)
Terminals
MIDI terminals: IN, OUT
Assignable jack: Standard jack (sustain, sostenuto, soft, rhythm start/stop)
Headphone/output terminal: Stereo standard jack
Output Impedance: 100
Output voltage: 4.5 V (RMS) MAX
CONTENTS
Page
Specifications ............................................................................................................................................ 1
Block Diagram........................................................................................................................................... 3
Circuit Description ..................................................................................................................................... 4
Adjustment .............................................................................................................................................. 12
Major Waveforms .................................................................................................................................... 13
Printed Circuit Boards ............................................................................................................................. 14
Schematic Diagrams ............................................................................................................................... 15
Exploded View ........................................................................................................................................ 28
Parts List ................................................................................................................................................. 29

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Casio CTK-620L Specifications

General IconGeneral
BrandCasio
ModelCTK-620L
CategoryElectronic Keyboard
LanguageEnglish

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