Casio CTK-620L Service Manual

Also see for CTK-620L: User guide User guide

Contents

Casio CTK-620L Service Manual Manual pdf 2 page image

— 1 —SPECIFICATIONSGENERALKeyboard: 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 splitRhythm instrument tones: 61Polyphony: 24 notes maximum (12 for certain tones)Digital effects: 3 reverb types (HALL, STAGE, ROOM)Auto accompanimentRhythm patterns: 100Tempo: Variable (216 steps, = 40 to 255)Chords: 3 fingering methods (CASIO CHORD, FINGERED, FULL RANGECHORD)Rhythm controller: START/STOP, INTRO, NORMAL/NORMARL FILL-IN, VARIATION/VARIATION FILL-IN, SYNCHRO/ENDINGAccomp volume: 0 to 127 (128 steps)3-step lesson: 3 lessons (step 1, 2, 3)Playback: Repeat play of a single tuneSong bankNumber of tunes: 100Controllers: PLAY/PAUSE, STOP, FF, REW, LEFT, RIGHTMusical 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 operationMetronome: On/OffBeat specification: 1 to 6MemorySongs: 2Recording tracks: 2Recording methods: Real-time, stepMemory capacity: Approximately 5,200 notes (total for two songs)MIDI: 16 multi-timbre receive, GM Level 1 standardOther functionsTranspose: 25 steps (–12 semitones to +12 semitones)Tuning: 101 steps (A4 = approximately 440 Hz ± 50 cents)TerminalsMIDI terminals: IN, OUTAssignable jack: Standard jack (sustain, sostenuto, soft, rhythm start/stop)Headphone/output terminal: Stereo standard jackOutput Impedance: 100 ΩOutput voltage: 4.5 V (RMS) MAXCONTENTSPageSpecifications ............................................................................................................................................ 1Block Diagram ........................................................................................................................................... 3Circuit Description ..................................................................................................................................... 4Adjustment .............................................................................................................................................. 12Major Waveforms .................................................................................................................................... 13Printed Circuit Boards ............................................................................................................................. 14Schematic Diagrams ............................................................................................................................... 15Exploded View ........................................................................................................................................ 28Parts List ................................................................................................................................................. 29