Casio_CTK-691_Service_Manual.pdf

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CTK-691
JUN. 2003
CTK-691
ELECTRONIC KEYBOARD
INDEX
Ver.2 :
Sep.
2006
CONTENTS
Page
Specifications ............................................................................................................................................ 1
Block Diagram ........................................................................................................................................... 3
Circuit Description ..................................................................................................................................... 4
Printed Circuit Boards ............................................................................................................................... 5
Disassembly .............................................................................................................................................. 8
Diagnostic Program ................................................................................................................................. 14
Schematic Diagrams ............................................................................................................................... 17
Exploded View ........................................................................................................................................ 22
Parts List ................................................................................................................................................. 23
SPECIFICATIONS
GENERAL
Keyboard:
Tones:
61 standard-size keys, 5 octaves with touch response (Off / 1 / 2 / 3)
300 Advanced Tones + 200 Preset Tones + 16 Drum Sets + 100 standard
user tones + 20 user tones with waves*: + 4 drum sets with waves* + 50
drawbar organ tones + 100 user drawbar organ tones (790 tones total);
layer/split
61
32 notes maximum (10 for certain tones)
DSP (200 types: internal, 100 user areas) + Reverb (16 types) + Chorus (16
types) + Equalizer (10 types, 4 bands)
156 (internal, 16 user areas*)
Variable (226 steps, = 30 to 255)
3 fingering methods (CASIO CHORD, FINGERED, FULL RANGE CHORD)
START/STOP, INTRO/ENDING 1 and 2, VARIATION/FILL-IN 1 and 2,
SYNCHRO/FILL-IN NEXT
0 to 127 (128 steps)
Recalls settings for tone, tempo, layer on/off, and harmonize on/off in
accordance with rhythm.
10 types: Automatic addition of notes that harmonize with melody note in
accordance with specified Auto Accompaniment chords.
5
6 (2 through 6 are melody tracks)
Real-time, step
Approximately 10,000 notes (total for 5 songs)
Equipped
3
Tune Number
Name
Composer
Play time
0
Nora Park
TECH-NOTE INTERNATIONAL LTD.
2:06
1
Garage Flava
Steave Turner
2:15
2
Strut With Beauty
Edward Alstrom
1:52
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, DSP level.
32 (4 setups
×
8 banks)
Tone, Rhythm, Tempo, Layer on/off, Split on/off, Split point, Harmonize on/
off, Mixer settings (Channels 1 to 10), Effect settings, Touch Response
settings, Assignable jack setting, Transpose, Tuning, Accompaniment
volume setting, Auto Harmonize type, MODE button setting, Synchro
standby state, Mixer Hold, DSP Hold, Synthesizer Mode parameters
16
Tone; part on/off; volume; pan pot; octave shift; coarse tune; fine tune;
reverb send; chorus send; DSP line; DSP level; DSP pan; DSP system
reverb send; DSP system chorus send
16 multi-timbre receive, GM Level 1 standard
Rhythm Instrument Tones:
Polyphony:
Effects:
Auto Accompaniment
Rhythm Patterns:
Tempo:
Chords:
Rhythm Controller:
Accomp Volume:
One Touch Presets:
Auto Harmonize:
Memory Function
Songs:
Recording Tracks:
Recording Methods:
Memory Capacity:
Edit Function:
Demo Tunes:
Registration Memory
Number of Setups:
Memory Contents:
Mixer Function
Channels:
Parameters:
MIDI:
—1—
Other Functions
Transpose:
Tuning:
LCD:
SMF Player
Flash Memory
49 steps (–24 semitones to +24 semitones)
Variable (A4 = approximately 440Hz
±100
cents)
Adjustable contrast
Flash memory storage for up to 200 files*
• Supported Format: SMF0
Capacity: 2MB
Shared Area: Approximately 1.5MB (waveform data, accompaniment data,
SMF data)
• Further storage of waveform, accompaniment, and SMF data becomes
impossible after the total of such data reaches approximately 1.5MB.
Terminals
MIDI Terminals:
IN, OUT
Sustain/Assignable Terminal: Standard jack (sustain, sostenuto, soft, rhythm start/stop)
Headphone/Output Terminal: Stereo standard jack
Output Impedance: 140Ω
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:
3W + 3W
Power consumption:
9V
7.7W
Dimensions:
96.0
×
37.5
×
14.6 cm (37
13
/
16
×
14
3
/
4
×
5
3
/
4
inch)
Weight:
Approximately 5.6 kg (12.3lbs) (without batteries)
* The same memory area is used to store waveform data, accompaniment data, and SMF data.
ELECTRICAL
Current drain with 9 V DC:
No sound output
Maximum volume
with 16 keys from C1 to D#2 pressed in 193 BREATHY ALTO SAX (R channel)
Volume: maximum, Velocity: maximum
Speaker output level (Vrms with 4
Ω
load each channel):
with key G1 in 193 BREATHY ALTO SAX (R channel)
Volume: maximun, Velocity: maximum
Phone output level (Vrms with 32
Ω
load each channel):
with key, E1 in 193 BREATHY ALTO SAX (R channel)
Volume: maximun, Velocity: maximum
Output level (Vrms with 47
Ω
load each channel):
with key E1 in 193 BREATHY ALTO SAX (R channel)
Volume: maximun, Velocity: maximum
1200 mA
±
20 %
260 mA
±
20 %
L/R: 3700 mV
±
20 %
L/R: 320 mV
±
20 %
L/R: 1750 mV
±
20 %
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.
—2—
MIDI
MA0 ~ MA20
FLASH ROM (16MBit)
IC5
LH28F160BJHE-BTL90
Assingnable Jack
PEDAL
IN
D209
MD0 ~ MD15
OUT
Q207
CPU
MA0 ~ MA21
IC10
EA0 ~ EA19
uPD914AGM-3ED
MD0 ~ MD15
MD0 ~ MD15
Reset IC
RESET
IC4
R1151N001C-TR
ROM (64Mbit)
IC8
MR27V6402G01BTNZ04
ED12 ~ ED19
MD0 ~ MD7
MA0 ~ MA23, MA25
RAM (1Mbit)
IC2
CY62128VLL-70AZI
MA0 ~ MA15, MA25
RAM (1Mbit)
IC12
CY62128VLL-70AZI
16.384MHz
BLOCK DIAGRAM
Keyboard
MA1 ~ MA3
KC0 ~ KC7
—3—
DAC IC3
µPD6379LGR-E1
CONT
LOUT
ROUT
(9V) (5V) (5V)
VC VD5 VA5
Filter
IC202, IC203
APO
Main
Volume
Power Supply Circuit
Q201 ~ Q206, D201,
D204, D205, D207, D208
Power Amplifier
IC201
LA4636
Battery
ADIN
APO Cancellation
D203
LCD Controller
ML9040-B02GA (IC501)
MD0 ~ MD15
KEY/BOTTON
CONTROLLER
IC13
TC190C020AF-001
SI0 ~ SI7
FI0 ~ FI7
(9V)
VCP
FI8 ~ FI10, FI0 ~ FI7, KI0 ~ KI2,
LD14 ~ LD16, LD20 ~ LD22
Buttons
Phones/Output
Speakers
(L)
(R)
AC Adaptor
DC 9V

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