Casio CTK-671 Manuale utente

REST /YES

/NO

(TIE)

FULL RANGE

MAX

MIN

PLAY

RECORD

STEP RECORD

CHORD

FINGERED

CASIO CHORD

NORMAL

BANK STORE

ELECTRONIC KEYBOARD

CTK-671

JUN. 2001

CONTENTS Page

Specifications ..........................................................................................................................................................1

Block Diagram.........................................................................................................................................................3

Circuit Description ...................................................................................................................................................4

Printed Circuit Boards .............................................................................................................................................5

Schematic Diagrams ...............................................................................................................................................7

Exploded View ......................................................................................................................................................12

Parts List ...............................................................................................................................................................13

— 1 —

SPECIFICATIONS

GENERAL

Keyboard: 61 standard-size keys, 5 octaves with touch response (Off / Light / Normal / Heavy)

Tones: 348 total (100 panel tones + 128 GM tones + 10 drum sounds + 10 user tones + 100

Advanced Tones); layer/split

Rhythm Instrument Tones: 61

Polyphony: 32 notes maximum (16 for certain tones)

Effects: DSP (110 types: internal, 10 user areas) + Reverb (16 types) + Chorus (16 types)

Equalizer: 10 types, 4 bands

Auto Accompaniment

Rhythm Patterns: 104 (internal, 4 user areas)

Tempo: Variable (226 steps, = 30 to 255)

Chords: 3 fingering methods (CASIO CHORD, FINGERED, FULL RANGE CHORD)

Rhythm Controller: Start/Stop, INTRO/ENDING 1 and 2, VARIATION/FILL-IN 1 and 2, SYNCHRO/FILL-

IN NEXT

Accomp Volume: 0 to 127 (128 steps)

One-touch Presets: Recalls settings for tone, tempo, layer on/off, and harmonize on/off in accordance

with rhythm.

Auto Harmonize: Automatic addition of notes that harmonize with melody note in accordance with speci-

fied Auto Accompaniment chords.

Memory Function

Songs: 2

Recording Tracks: 6 (2 through 6 are melody tracks)

Recording Methods: Real-time, step

Memory Capacity: Approximately 3,500 notes (total for two songs)

* Same memory is shared for user rhythm storage.

Edit Function: Equipped

Demo Tunes: 2

Synthesizer Function

Parameters: Attack time; release time; resonance; cutoff frequency; vibrato type; vibrato delay;

vibrato depth; vibrato rate; octave shift; level; touch sense; reverb send; chorus send;

DSP line; DSP type and DSP parameter

Registration Memory

Number of Setups: 16 (4 setups ×4 banks)

Memory Contents: Tone select, Rhythm select,Tempo settings, Split on/off, Split point settings, Layer on/

off, Mixer settings (Channels 1~10), Effect settings, Equalizer settings, Touch Re-

sponse settings, Assignable jack setting, Transpose settings,Tuning settings, Accom-

paniment volume settings, Harmonize on/off

Tune Number Name Composer Play Time

0 Crystal Fountain Edward Alstrom 1:54

1 Night Breeze Hage Software 1:52

— 2 —

Mixer Function

Channels: 16

Parameters: Channel on/off; tone;part on/off; volume;pan pot; octave shift;coarse tune; fine tune;

reverb send; chorus send; DSP line

MIDI: 16 multi-timbre receive, GM Level 1 standard

Other Functions

Transpose: 49 steps (–24 semitones to +24 semitones)

Tuning: Variable (A4 = approximately 440Hz ±100 cents)

LCD: Adjustable contrast

Terminals

MIDI Terminals: IN, OUT

Sustain/

Assignable Terminal: Standard jack (sustain, sostenuto, soft, rhythm start/stop)

Headphone/

Output Terminal: Stereo standard jack

Output Impedance: 140 ohms

Output Voltage:4.5V (RMS) MAX

Power Supply Terminal: 9V DC

Power Supply: Dual power supply system

Batteries: 6 D-size batteries

Battery Life: Approximately 4 hours continuous operation on manganese batteries

AC Adaptor: AD-5

Auto Power Off: Turns power off approximately six minutes after last key operation. Enabled under

battery power only, can be disabled manually.

Speaker Output: 2.5W + 2.5W

Power consumption: 9V 7.7W

Dimensions: 96.0 ×37.5 ×14.7 cm (37 13/16 ×14 3/4×5 13/16 inch)

Weight: Approximately 5.8 kg (12.8lbs) (without batteries)

About General MIDI

General MIDI standardizes MIDI data for all sound source types, regardless of manufacturer. General MIDI

specifies such factors as tone numbering, drum sounds, and available MIDI channels for all sound sources. This

standard makes it possible for all MIDI equipment to reproduce the same nuances when playing General MIDI

data, regardless of the manufacturer of the sound source.

This keyboard supports General MIDI, so it can be used to play commercially available pre-recorded General

MIDI data and General MIDI data send to it from a personal computer.

— 3 —

BLOCK DIAGRAM

LCD Driver

CPU

(uPD914GM-3ED)

LSI1

RAM

(1Mbit)

UPD441000LGZ

LSI5

ROM

(32Mbit)

LSI3

RAM

(256kbit)

LSI4

IC11

FVDD

+5V

AVDD

+5V

DVDD

+5V

VCC

+9V

CLK

WCK0

DAC

Filter

Main

Volume

Power Amp

Speakers

Keyboard

Key

Controller

Power supply Circuit

LSI2

Buttons

EA0 ~ EA16

ED12 ~ ED19

MA0 ~ MA3 CA0 ~ CA3

CD0 ~ CD15

FI8 ~ FI10

KI0 ~ KI2

KC0 ~ KC7

SI0 ~ SI7

FI0 ~ FI7

IC8

DB0

DB7

R/W

CONT

IC4

IC5

MA0 ~ MA13,MA25

MA0 ~ MA20

VDD

+3.3V

MIDI IN

MIDI OUT

Reset

MD0 ~ MD15

MD0 ~ MD7

CK0,LRC0,SC0,LRC1

CLK

WCKIO

WCKI1

MSW0 ~ MSW3 MODE SWITCH

P10 ~ P13

— 4 —

KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7

FI8 ONE REVERB

EQUALIZER

RNYTHM TONE 7 8 9

TOUCH

FI9 SONG CHORUS SYNTH

TRANSPOSE

456

MEMORY

FI10 ACCOMP DSP MIXER SPECIAL + 1 2 3

VOLUME

KI0 INTRO/

VARIATION

SYNCHRO AUTO DEMO - 0 SPLT

ENDING1 /FILL-IN1

/CROSS FILL HIARMONIZE

KI1 STORE INTRO/

VARIATION

START/ TEMPO EXIT ENTER LAYER

ENDING2 /FILL-IN2 STOP UP

KI2 BANK A B C D TEMPO LEFT RIGHT

DOWN

KC0 KC1 KC2 KC3 KC4 KC KC6 KC7

FI0 C2 (1) C#2 (1) D2 (1) D#2 (1) E2 (1) F2 (1) F#2 (1) G2 (1)

SI0 C2(2) C#2 (2) D2 (2) D#2 (2) E2 (2) F2 (2) F#2 (2) G2 (2)

FI1 G#2 (1) A2 (1) A#2 (1) B2 (1) C3 (1) C#3 (1) D3 (1) D#3 (1)

SI1 G#2 (2) A2 (2) A#2 (2) B2 (2) C3 (2) C#3 (2) D3 (2) D#3 (2)

FI2 E3 (1) F3 (1) F#3 (1) G3 (1) G#3 (1) A3 (1) A#3 (1) B3 (1)

SI2 E3 (2) F3 (2) F#3 (2) G3 (2) G#3 (2) A3 (2) A#3 (2) B3 (2)

FI3 C4 (1) C#4 (1) D4 (1) D#4 (1) E4 (1) F4 (1) F#4 (1) G4 (1)

SI3 C4 (2) C#4 (2) D4 (2) D#4 (2) E4 (2) F4 (2) F#4 (2) G4 (2)

FI4 G#4 (1) A4 (1) A#4 (1) B4 (1) C5 (1) C#5 (1) D5 (1) D#5 (1)

SI4 G#4 (2) A4 (2) #4 (2) B4 (2) C5 (2) C#5 (2) D5 (2) D#5 (2)

FI5 E5 (1) F5 (1) F#5 (1) G5 (1) G#5 (1) A5 (1) A#5 (1) B5 (1)

SI5 E5 (2) F5 (2) F#5 (2) G5 (2) G#5 (2) A5 (2) A#5 (2) B5 (2)

FI6 C6 (1) C#6 (1) D6 (1) D#6 (1) E6 (1) F6 (1) F#6 (1) G6 (1)

SI6 C6 (2) C6# (2) D6 (2) D#6 (2) E6 (2) F6 (2) F#6 (2) G6 (2)

FI7 G#6 (1) A6 (1) A#6 (1) B6 (1) C7 (1)

SI7 G#6 (2) A6 (2) A#6 (2) B6 (2) C7 (2)

CIRCUIT DESCRIPTION

KEY MATRIX

BUTTON MATRIX

— 5 —

PRINTED CIRCUIT BOARDS

Main PCB JCM703-MA1M

Top View

Bottom View

— 6 —

Sub PCB KDM703-MA2M

— 7 —

SCHEMATIC DIAGRAMS

Main PCB JCM703-MA1M

— 8 —

Sub PCB JCM703-MA2M

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