Casio CTK-485 User Manual

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ELECTRONIC KEYBOARD
CTK-485
CTK-485
MULTI FUNCTION DISPLAYMULTI 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
(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
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Summary of Contents

Page 1 - ELECTRONIC KEYBOARD

ELECTRONIC KEYBOARDCTK-485CTK-485MULTI FUNCTION DISPLAYMULTI FUNCTION DISPLAY100 SONG BANK KEYBOARDSONG BANK CONTROLLER⁄POWER/MODEFINGEREDCASIO CHORDN

Page 2 - CONTENTS

— 9 —3) Equipment connection/ProcedureADJUSTMENTMAIN PCB1) Items to be adjusted:2) Adjustment and Test Point LocationsItemMeasuring InstrumentVop volt

Page 3 - ELECTRICAL

— 10 —MAJOR WAVEFORMS0.1 sCH1CH1 5VBWL1 RESET signalIC 1 pin 1120 µsCH1BWLCH1 1V22 Main clock pulseMSM6755B-17 pin 3210 µsCH1CH2CH2BWLCH1 5V 5V3 Key s

Page 4 - BLOCK DIAGRAM

— 11 —PRINTED CIRCUIT BOARDSMain PCB JCM450-MA1MTop ViewBottom View127534

Page 5 - CIRCUIT DESCRIPTION

— 12 —Keyboard PCB KDM6111K-KY1MKeyboard PCB KDM6111K-KY2MMain PCB JCM450-MA2M6 8 9 10

Page 6 - CPU (LSI1: MSM6755B-17)

— 13 —SCHEMATIC DIAGRAMSMain PCB JCM450-MA1M127534

Page 7

— 14 —Main PCB JCM450-MA2M86910(2.9 V)(5.3 V)(0.7 V)

Page 8 - FILTER BLOCK

— 15 —Keyboard PCBs KDM6111K-KY1M/KY2MNotes:1. All capacitance values are indicated in "µF" (p=10-6 µF).2. All resistance values are indicat

Page 9 - TROUBLESHOOTING

— 16 —EXPLODED VIEW131498615185124176119101132716R-1R-2R-4R-5R-6R-3R-6R-5

Page 10 - ADJUSTMENT

Notes: This parts list does not include the cosmetic parts, whichparts are marked with item No. "R-X" in the explodedview.Contact our spare

Page 11 - MAJOR WAVEFORMS

Item Code No. Parts Name Specification Q RMain PCB16926 6310 PCB ASSY/M450-MA1M M240821*1 1 B26926 6320 PCB ASSY/M450-MA2M M140731*1 1 BD12390 1820 DI

Page 12 - PRINTED CIRCUIT BOARDS

— 1 —SPECIFICATIONSGENERALModel: CTK-485Keyboard: 61 standard-size keys, 5 octavesTones: 100Polyphony: 12 notes maximum (6 for certain tones)Auto acco

Page 13 - Main PCB JCM450-MA2M

CASIO TECHNO CO.,LTD.Overseas Service Division8-11-10, Nishi-ShinjukuShinjuku-ku, Tokyo 160-0023, Japan

Page 14 - Main PCB JCM450-MA1M

— 2 —ELECTRICALCurrent 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

Page 15

— 3 —BLOCK DIAGRAMCPUMSM 6755B-17LSI1KeyboardButtonsLCDLCD DriverKS0066U-10BLSI3Reset ICIC1PowerSwitchOscillatorX1, Q1Power Supply CircuitQ101 ~ Q104,

Page 16

— 4 —CIRCUIT DESCRIPTIONKEY MATRIXNOMENCLATURE OF KEYSF#3 G#3A#3 C#4 D#4F#4 G#4A#4C#5D#5F#5 G#5A#5F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B

Page 17 - EXPLODED VIEW

— 5 —CPU (LSI1: MSM6755B-17)The CPU reads sound data from the ROM in accordance with the pressed key and the selected tone; the CPUcan read rhythm dat

Page 18

— 6 —LCD DRIVER (LSI3: KS0066U-10B)The LCD driver can drive a dot matrix LCD having 40 segment and 16 common lines. The LSI contains 240graphic symbol

Page 19

— 7 —POWER AMPLIFIER (IC101: LA4598)The power amplifier is a two-channel amplifier with standby switch.The following table shows the pin function of I

Page 20 - 8-11-10, Nishi-Shinjuku

— 8 —INITIAL RESET CIRCUITWhen batteries are set or an AC adapter is connected, the reset IC provides a low pulse to the CPU.The CPU then initializes

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