ELECTRONIC KEYBOARD
CTK-485
CTK-485
MULTI FUNCTION DISPLAY
MULTI FUNCTION DISPLAY
100 SONG BANK KEYBOARD
SONG BANK CONTROLLER
/
POWER/MODE
FINGERED
CASIO CHORD
NORMAL
ON
OFF
SYNCHRO/
FILL-IN
START/
STOP
TEMPO
TRANSPOSE/TUNE
¢
/
VOLUME
¢
0
5
1
6
2
7
3
8
4
9
+
RHYTHM
TONE
LEFT
STOP
PLAY/
PAUSE
ON/OFF
RIGHT
SONG
BANK
TRANSPOSE/
TUNE
SONG BANK CONTROLLER
PIANO
00 PIANO 1
01 PIANO 2
02 HONKY-TONK
03 STUDIO PIANO
04 ELEC PIANO 1
05 ELEC PIANO 2
06 ELEC PIANO 3
07 ELEC PIANO 4
08 HARPSICHORD
09 CLAVI
ORGAN
10 ELEC ORGAN 1
11 ELEC ORGAN 2
12 ELEC ORGAN 3
13 ELEC ORGAN 4
14 CHURCH ORGAN
15 PIPE ORGAN
16 REED ORGAN
17 ACCORDION
18 BANDONEON
19 HARMONICA
GUITAR/BASS
20 GUT GUITAR
21 ACOUS GUITAR
22 JAZZ GUITAR
23 ELEC GUITAR
24 MUTE GUITAR
25 DIST GUITAR
26 WOOD BASS
27 ELEC BASS
28 SLAP BASS
29 BANJO
STRINGS/ENSEMBLE
30 VIOLIN
31 CELLO
32 HARP
33 STRINGS 1
34 STRINGS 2
35 STRINGS 3
36 SYNTH-STR 1
37 SYNTH-STR 2
38 CHOIR
39 VOICE DOO
BRASS
40 TRUMPET
41 TUBA
42 BRASS ENS
43 FR. HORN 1
44 FR. HORN 2
45 BRASS 1
46 BRASS 2
47 SYN-BRASS 1
48 SYN-BRASS 2
49 SYN-BRASS 3
REED/PIPE
50 SOPRANO SAX
51 ALTO SAX
52 TENOR SAX
53 OBOE
54 CLARINET
55 PICCOLO
56 FLUTE
57 RECORDER
58 PAN FLUTE
59 WHISTLE
SYNTH-SOUND 1
60 SYN-LEAD 1
61 SYN-LEAD 2
62 SYN-LEAD 3
63 SYN-CALLIOPE
64 SYN-PAD 1
65 SYN-PAD 2
66 SYN-PAD 3
67 BOWED GLASS
68 COUNTRY FARM
69 SYN-BASS
SYNTH-SOUND 2
70 RAIN DROP
71 COSMIC SOUND
72 SOUND TRACK
73 SPACE PAD
74 VOICE BASS
75 APPLAUSE
76 SYNTH-SFX
77 VEHICLE
78 PHONE
79 FUNNY
LAYER
80 STR PIANO
81 STR E. PIANO
82 CHOIR E. P
83 CHOIR ORGAN
84 STR GUITAR
85 STR HARP
86 BRASS STR
87 VIB PAD
88 12 STR GTR
89 CHOIR STR
SPLIT/PERCUSSIVE
90 BASS/PIANO
91 BASS/E. PIANO
92 BASS/VIB
93 BASS/GUT GTR
94 V.BASS/DOO
95 STR/PIANO
96 STR/TRUMPET
97 VIBRAPHONE
98 MARIMBA
99 PERCUSSION
100 TONES
55 SANTA LUCIA
56 LA CUCARACHA
57 LA PALOMA
58 CIELITO LINDO
59 KATIUCHA
60 TROIKA
61 SZTA DZIE WECZKA
POLKA "THE BARTERED BRIDE"
62
54 HOLDIRIDIA
100 SONG BANK
63 WALTZING MATILDA
64 AJO MAMMA
65 RASA SAYANG
66
NL
(KANG DING QING GE)
70 LE CYGNE
"LE CARNAVAL DES ANIMAUX"
71 SWAN LAKE
72 MARCH "THE NUTCRACKER"
73 BRINDISI "LA TRAVIATA"
74 TRIUMPHAL MARCH "AIDA"
75 LA DONNA É MOBILE
76 TOY SYMPHONY
69 AIR "SUITE no.3"
77 SERENADE
"EINE KLEINE NACHTMUSIK"
78 CHANSON DU TOREADOR
"CARMEN"
67 ODE TO JOY
68 BRIDAL MARCH "LOHENGRIN")
80 L'ARLESIENNE SUITE
1er PRELUDE
81 JOY TO THE WORLD
82 SYMPHONY no.101
"CLOCK" 2nd Mov.
83 SPRING
"THE FOUR SEASONS"
THAIS MEDITATION
84
79 HABANERA "CARMEN"
85 MINUET (J.S.BACH)
86 GAVOTTE (GOSSEC)
87 CANON (PACHELBEL)
88 LARGO (HANDEL)
92
93 TURKISH MARCH (MOZART)
94 PIANO SONATA K.545 1st Mov.
95 WEDDING MARCH
(MENDELSSOHN)
96 HUNGARIAN DANCE no.5
97 THE ENTERTAINER
91 PIANO SONATA op.13
"PATHETIQUE" 2nd Mov.
FUR ELISE
98 NOCTURNE op.9 no.2
(CHOPIN)
99 VALSE op.64 no.1
"PETIT CHIEN"
89 AMERICAN PATROL
90 CHOPSTICKS
44 AURA LEE
45 JAMAICA FAREWELL
46 JOHNNY COMES
MARCHING HOME
47 CAMPTOWN RACES
48 SWANEE RIVER
49 JEANNIE WITH
THE LIGHT BROWN HAIR
43 HOUSE OF THE RISING SUN
50 YANKEE DOODLE
51 RED RIVER VALLEY
52 MY OLD KENTUCKY HOME
53 HOME ON THE RANGE
31 WORKING ON THE RAILROAD
32 LITTLE BROWN JUG
33 LONG LONG AGO
34 MICHAEL
35 DOMINIQUE
36 DANNY BOY
37 ANNIE LAURIE
38 ALOHA OE
30 GRANDFATHER'S CLOCK
39 MY BONNIE
40 CLAP YOUR HANDS
41 MY DARLING CLEMENTINE
42 SHE WORE A YELLOW RIBBON
20 GREENSLEEVES
21 AMAZING GRACE
22 AULD LANG SYNE
23 TWINKLE TWINKLE
LITTLE STAR
24 LIGHTLY ROW
25 ACH DU LIEBER AUGUSTIN
26 LONDON BRIDGE
19 O CHRISTMAS TREE
27 J'AI PERDU LE DO
28 BATTLE HYMN
OF THE REPUBLIC
29 SUR LE PONT D'AVIGNON
10 SAVING ALL
MY LOVE FOR YOU
11 THE GIRL FROM IPANEMA
12 YESTERDAY
13 ANOTHER DAY IN PARADISE
14 HAPPY BIRTHDAY TO YOU
15 WE WISH YOU
A MERRY CHRISTMAS
09 CROCODILE ROCK
16 JINGLE BELLS
17 SILENT NIGHT
18 WHEN THE SAINTS
GO MARCHING IN
08 ALWAYS ON MY MIND
01 IN THE MOOD
02 A WHOLE NEW WORLD
03 WHEN YOU WISH
UPON A STAR
04 SUPERSTITION
05 I JUST CALLED
TO SAY I LOVE YOU
06 TOP OF THE WORLD
00 HOW DEEP IS YOUR LOVE
07 KILLING ME SOFTLY
WITH HIS SONG
00-19 POPS
POPS/BALLAD/16 BEAT/8 BEAT
20-39 ROCK
SLOW ROCK/SOFT ROCK/SOUL/ROCK/R&B
40-49 JAZZ
BIG BAND/SWING/JAZZ/FUSION
50-59 DANCE
CLUB/TECHNO/DISCO/RAP/FUNK
60-69 EUROPEAN
POLKA/MARCH/WALTZ/TANGO
70-84 LATIN
BOSSA NOVA/SAMBA/MAMBO/RHUMBA/REGGAE
85-99 VARIOUS
COUNTRY/GOSPEL/ETC.
100 RHYTHMS
INDEX
-- 1 --
SPECIFICATIONS
GENERAL
Model:
CTK-485
Keyboard:
61 standard-size keys, 5 octaves
Tones:
100
Polyphony:
12 notes maximum (6 for certain tones)
Auto accompaniment
Rhythm Patterns:
100
Tempo:
Variable (236 steps,
= 20 to 255)
Chords:
2 fingering methods (CASIO CHORD, FINGERED)
Rhythm controller:
START/STOP, SYNCHRO/FILL-IN
Song Bank
Tunes:
100
Controllers:
PLAY/PAUSE, STOP, LEFT (ON/OFF), RIGHT (ON/OFF)
Multi function display
Name display:
TONE, RHYTHM, SONG BANK name/number, keyboard settings name/
value
Tempo:
Tempo value, metronome, synchro standby, beat indicator
Other functions
Transpose:
12 steps (6 semitones to +5 semitones)
Tuning:
Variable (A4 = approximately 440 Hz
± 50 cents)
Volume:
0 to 9 (10 steps)
Terminals
Phones/output terminal:
Stereo standard jack
Output Impedance: 70
Output Voltage: 2.4 V (RMS) MAX
Power supply terminal:
9 V DC
Power supply:
Dual power supply system
Batteries:
6 AA-size batteries
Battery life:
Approximately 2 hours (SUM-3/R6P)/4 hours (AM3/LR6)
AC adaptor:
AD-5
Auto power off:
Turns power off approximately 6 minutes after last key operation. Enabled
under battery power only, can be disabled manually.
Speaker output:
2.0 W + 2.0 W
Power consumption:
9 V . .. 7.0 W
Dimensions (HWD):
91.0
× 32.2 × 9.0 cm (35 7/8 × 12 11/16 × 3 9/16 inches)
Weight:
Approximately 4.0 kg (8.8 lbs) (without batteries)
CONTENTS
Page
Specifications ............................................................................................................................................ 1
Block Diagram ........................................................................................................................................... 3
Circuit Description ..................................................................................................................................... 4
Troubleshooting ........................................................................................................................................ 8
Adjustment ................................................................................................................................................ 9
Major Waveforms .................................................................................................................................... 10
Printed Circuit Boards ............................................................................................................................. 11
Schematic Diagrams ............................................................................................................................... 13
Exploded View ........................................................................................................................................ 16
Parts List ................................................................................................................................................. 17
-- 2 --
ELECTRICAL
Current drain with 9 V DC:
No sound output
137 mA
± 20 %
Maximum volume
710 mA
± 20 %
with white keys C1 to G2 pressed in Synth-Lead 1
Volume: maximum.
Speaker output level (Vrms with 40
load each channel):
with key A1 pressed in Synth-Lead 1
L-ch: 1,260 mV
± 20%
R-ch:1,200 mV
± 20%
Phone output level (Vrms with 8
load each channel):
with key A2 pressed in Synth-Lead 1
L-ch: 93 mV
± 20%
R-ch: 90 mV
± 20%
Minimum operating voltage:
6.0 V
-- 3 --
BLOCK DIAGRAM
CPU
MSM
6755B-17
LSI1
Keyboard
Buttons
LCD
LCD
Driver
KS0066U-10B
LSI3
Reset
IC
IC1
Power
Switch
Oscillator
X1,
Q1
Power
Supply
Circuit
Q101
~
Q104,
D205
Power
Amp.
LA4598
IC101
Filter
(L)
Q106
Filter
(R)
Q107
Phones/Output
Speaker
(L)
Speaker
(R)
VC
VCC
DVDD
AVDD
APO
MD0
~
MD7
MA0
~
MA18
DC
+
9
V
IN
DB4
~
DB7
COM1
~
COM14
SEG1
~
SEG40
RS
R/W
E
KO8
~
KO12
KI0
~
KI6
KI0
~
KI7
KO0
~
KO7
ROM(2M-bit)
LC372100PM-
H78
LSI2
-- 4 --
CIRCUIT DESCRIPTION
KEY MATRIX
NOMENCLATURE OF KEYS
F#3 G#3 A#3
C#4 D#4
F#4 G#4 A#4
C#5 D#5
F#5 G#5 A#5
F3
G3
A3
B3
C4
D4
E4
F4
G4
A4
B4
C5
D5
E5
F5
G5
A5
B5
C6
D#3
C2
D2
E2
F2
G2
A2
B2
C3
D3
E3
B6
A6
G6
F6
E6
D6
C7
C#3
A#2
G#2
F#2
D#2
C#2
A#6
G#6
F#6
D#6
C#6
KI0
KI1
KI2
KI3
KI4
KI5
KI6
KI7
KO0
C1
G#1
E2
C3
G#3
E4
C5
G#5
KO1
C#1
A1
F2
C#3
A3
F4
C#5
A5
KO2
D1
A#1
F#2
D3
A#3
F#4
D5
A#5
KO3
D#1
B1
G2
D#3
B3
G4
D#5
B5
KO4
E1
C2
G#2
E3
C4
G#4
E5
C6
KO5
F1
C#2
A2
F3
C#4
A4
F5
KO6
F#1
D2
A#2
F#3
D4
A#4
F#5
KO7
G1
D#2
B2
G3
D#4
B4
G5
KO8
--
+
0
Tempo w
Tempo v
Volume w Volume v
KO9
3
2
1
Start/Stop
KO10
6
5
4
Song Bank
Rhythm
Tone
KO11
9
8
7
Fingered
Normal
KO12
Right
Play/Pause
Stop
Left
Synchro/
Fill in
Casio
Chord
Power
off
Transpose/
Tune