Casio CTK-671 Manual de usuario
REST /YES
/NO
(TIE)
3
FULL RANGE
MAX
MIN
PLAY
RECORD
STEP RECORD
CHORD
FINGERED
CASIO CHORD
NORMAL
BANK STORE
ELECTRONIC KEYBOARD
CTK-671
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
DO
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
E
R/W
RS
Q1
CONT
IC4
IC5
MA0 ~ MA13,MA25
MA0 ~ MA20
VDD
+3.3V
MIDI IN
MIDI OUT
Reset
IC
MD0 ~ MD15
MD0 ~ MD7
CK0,LRC0,SC0,LRC1
DI
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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