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ELECTRONIC KEYBOARD

CTK-631

CTK-631

ENTER

CURSOR

ENVELOPE

ENVELOPE

ENVELOPE

AMP

00 FLAT

01-19 VIBRATO

20-49 OTHERS

000-048 DECAY

049-137 SUSTAIN

PITCH

REST

(TIE)

3

0

1

2

3

4

5

6

7

TONE

RHYTHM

8

9

PIANO

BASS

BRASS

REED

STR/ORCHESTRA

ENSEMBLE

ORGAN

GUITAR

CHROMATIC PERC

000 GRAND PIANO

001 BRIGHT PIANO

003 HONKY-TONK

004 ELEC PIANO 1

005 ELEC PIANO 2

006 HARPSICHORD

007 CLAVI

008 CELESTA

009 GLOCKENSPIEL

010 MUSIC BOX
011 VIBRAPHONE

012 MARIMBA
013 XYLOPHONE

015 DULCIMER

014 TUBULAR BELLS

016 DRAWBAR ORGAN
017 PERC ORGAN

018 ROCK ORGAN

020 REED ORGAN
021 ACCORDION

022 HARMONICA
023 BANDONEON

024 NYLON STR GT
025 STEEL STR GT

019 CHURCH ORGAN

002 E GRAND PIANO

027 CLEAN GUITAR

026 JAZZ GUITAR

028 MUTE GUITAR

030 DIST GUITAR

031 GT HARMONICS

032 ACOUSTIC BASS

033 FINGERED BASS

034 PICKED BASS

035 FRETLESS BASS

036 SLAP BASS 1

037 SLAP BASS 2
038 SYNTH-BASS 1

039 SYNTH-BASS 2

041 VIOLA

042 CELLO

040 VIOLIN

043 CONTRABASS
044 TREMOLO STR

045 PIZZICATO STR

047 TIMPANI

048 STRINGS 1
049 STRINGS 2
050 SYNTH-STR 1

051 SYNTH-STR 2
052 CHOIR AAHS

046 HARP

029 OVERDRIVE GT

PIPE

054 SYNTH-VOICE

053 VOICE DOO

055 ORCHESTRA HIT

056 TRUMPET

057 TROMBONE

058 TUBA

059 MUTE TRUMPET

060 FRENCH HORN

061 BRASS

062 SYNTH-BRASS 1

063 SYNTH-BRASS2

064 SOPRANO SAX
065 ALTO SAX

066 TENOR SAX

068 OBOE

069 ENGLISH HORN

067 BARITONE SAX

070 BASSOON
071 CLARINET

073 FLUTE
074 RECORDER

075 PAN FLUTE
076 BLOWN BOTTLE
077 SHAKUHACHI

078 WHISTLE
079 OCARINA

072 PICCOLO

SYNTH-LEAD

SYNTH-PAD

SYNTH-SFX

ETHNIC

080 SQUARE WAVE

081 SAWTOOTH WAVE

082 CALLIOPE

083 CHIFF LEAD

084 CHARANG

085 VOICE LEAD

086 FIFTH LEAD

087 BASS + LEAD

088 NEW AGE

089 WARM PAD

090 POLYSYNTH

091 SPACE CHOIR
092 BOWED GLASS

093 METALLIC PAD

095 SWEEP PAD

094 HALO PAD

096 RAIN DROP
097 SOUNDTRACK

098 CRYSTAL

100 BRIGHTNESS
101 GOBLINS

102 ECHOES
103 SF

104 SITAR
105 BANJO

099 ATMOSPHERE

SYNTH TONE

DRUM SET

USER TONE

PERCUSSIVE

SOUND EFFECTS

107 KOTO

106 SHAMISEN

108 KALIMBA

109 BAG PIPE

110 FIDDLE

111 SHANAI

112 TINKLE BELL

113 AGOGO

114 STEEL DRUM

115 WOOD BLOCK

116 TAIKO

117 MELODIC TOM

118 SYNTH-DRUM
119 REVERSE CYMBAL

121 BREATH NOISE
122 SEASHORE

120 GT FRET NOISE

123 BIRD
124 TELEPHONE

125 HELICOPTER

127 GUNSHOT

128

159

167

199

160

168

126 APPLAUSE

IN

TR

O

SYNC

HR

O

/E

N

D

IN

G

N

O

R

M

A

L/F

ILL-I

N

VAR

IA

TI

O

N

/F

IL

L

-I

N

START/STOP

POWER

TEMPO

VOLUME

MODE

FULL RANGE

BACKLIGHT LCD

DIGITAL REVARB

2-WAY MULTI-TRACK MEMORY

CHORD
FINGERED

CASIO CHORD

NORMAL

MAX

MIN

POPS 

I

DANCE / FUNK

POPS 

II

00 CLUB POP

01 EURO POP

02 90'S POP

03 8 BEAT

04 8 BEAT BALLAD 1

05 8 BEAT BALLAD 2

06 60'S 8 BEAT

07 16 BEAT

08 16 BEAT BALLAD

09 16 BEAT SHUFFLE

10 POP 1
11 POP 2

12 70'S ROCK 1
13 POP BALLAD

14 16 BEAT SOUL
15 SOUL POP

16 WORLD POP
17 FUSION SHUFFLE

18 6/8 BALLAD
19 50'S R&B BALLAD

ROCK 

I

20 RAP

21 TRIP HOP

22 TECHNO 1

23 TECHNO 2

24 FUNKY GROOVE

25 DRUM & BASS

26 RAVE

27 TRANCE

28 DISCO

29 FUNK

30 AMERICAN ROCK
31 ROCK

32 70'S ROCK 2
33 RIFF ROCK

34 HEAVY METAL
35 POP ROCK

36 SOFT ROCK
37 SLOW ROCK 1

38 SLOW ROCK 2
39 ROCK WALTZ

ROCK 

II

JAZZ

40 BIG BAND ROCK

41 SHUFFLE ROCK

42 OLDIES POP

43 OLDIES SHUFFLE

44 BOOGIE-WOOGIE

45 50'S ROCK

46 TWIST

47 NEW ORLNS R&R

48 CHICAGO BLUES

49 R&B

50 BIG BAND 1
51 BIG BAND 2

52 SWING 1
53 SWING 2

54 SLOW SWING
55 ORCH SWING

56 FUNKY JAZZ
57 JAZZ VOICES

58 ACID JAZZ
59 JAZZ WALTZ

EUROPEAN

LATIN 

I

60 POLKA 1

61 POLKA 2

62 MARCH 1

63 MARCH 2

64 MARCH 3

65 WALTZ

66 FRENCH WALTZ

67 BALLROOM WALTZ

68 VIENNESE WALTZ

69 TANGO

70 BOSSA NOVA 1
71 BOSSA NOVA 2

72 SAMBA 1
73 SAMBA 2

74 BEGUINE
75 MAMBO

76 RHUMBA
77 CHA-CHA-CHA

78 MERENGUE
79 BOLERO

LATIN 

II / 

VARIOUS 

I

VARIOUS 

II

80 SALSA

81 REGGAE

82 PUNTA

83 CUMBIA

84 PASODOBLE

85 RUMBA CATALANA

86 SEVILLANA

87 SKA

88 TEX-MEX

89 TOWNSHIP

90 COUNTRY
91 BLUEGRASS

92 FAST GOSPEL
93 SLOW GOSPEL

94 HAWAIIAN
95 BROADWAY

96 EURO FOX
97 QUICKSTEP

98 ADANI
99 BALADI

GENERAL

REVERB

DEMO

TRANSPOSE/

TUNE/MIDI

FREE

SESSION

FREE
SESSION

LAYER

LAYER

SPLIT

CHORD/1

2

3

4

5

6

SPLIT

TOUCH

RESPONSE

TOUCH
RESPONSE

REVERB

GM

HALL

STAGE

ROOM

SYNTH

MIXER

MEMORY

STEP

SYNTH

MIXER

MEMORY

STEP

ACCOMP
VOLUME

Summary of Contents for CTK-631

Page 1: ...EN 108 KALIMBA 109 BAG PIPE 110 FIDDLE 111 SHANAI 112 TINKLE BELL 113 AGOGO 114 STEEL DRUM 115 WOOD BLOCK 116 TAIKO 117 MELODIC TOM 118 SYNTH DRUM 119 REVERSE CYMBAL 121 BREATH NOISE 122 SEASHORE 120 GT FRET NOISE 123 BIRD 124 TELEPHONE 125 HELICOPTER 127 GUNSHOT 128 159 167 199 160 168 126 APPLAUSE I N T RO SYNCHR O E N D I N G N O R M A L FILL IN VARIATI O N F I L L I N START STOP POWER TEMPO VO...

Page 2: ...CONTENTS Specifications 1 Block Diagram 3 Circuit Description 4 Adjustment 11 Major Waveforms 13 Printed Circuit Boards 14 Schematic Diagrams 17 Exploded View 24 Parts List 25 ...

Page 3: ...mp envelope set attack rate release rate pitch envelope set pitch level touch sense pan Mixer function Channels 16 Parameters Program change number volume expression pan coarse tuning fine tuning on off solo MIDI 16 multi timbre receive GM Level 1 standard Other functions Pitch bend range 12 semitones upwards and downwards Transpose 25 steps 12 semitones to 12 semitones Tuning Variable A4 approxim...

Page 4: ... Vrms with 47k Ω load each channel L ch 3070 mV 20 with key A5 pressed in Bassoon tone R ch 2750 mV 20 Volume maximum Touch response maximum Reverb Hall Minimum operating voltage 6 3 V 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 soun...

Page 5: ...rter IC1 UPD6379GR Filter Q308 Q311 Main Volume Power Amplifier IC301 TA8248K Keyboard MA0 MA19 Effect RAM 256K bit LSI5 TC55257DFL 70L EL MD0 MD7 Speakers Output MA0 MA14 MA0 MA1 LRCK SO BCK SINK LCD LCD Driver LSI501 SED1278F2A SEG1 SEG40 IN OUT Reset IC IC2 RN5VD40AA RESET COM1 COM16 DSP LSI2 HG51B277FB 1 MD0 MD15 CPU LSI1 GT913F T Buttons Assingnable Jack PB4 VDD Power Switch NMI FI10 P23 PA0 ...

Page 6: ...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 G...

Page 7: ...rates five voltages as shown in the following table VDD voltage is always generated The others are controlled by APO signal from the CPU NOMENCLATURE OF KEYS RESET CIRCUIT When batteries are set or an AC adapter is connected the reset IC provides a low pulse to the CPU The CPU then initializes its internal circuit and clears the working storage RAM When the power switch is pressed the CPU receives...

Page 8: ...n AC adaptor detection terminal 5 V when the keyboard is powered by batteries and becomes 0 V to cancel the APO function when AC adaptor is connected 9 AN1 Not used Connected to ground 10 AGND In Ground 0 V source 11 BCK Out Bit clock output 12 SO Out Serial sound data output 13 LRCK Out Word clock output 14 GND In Ground 0 V source 15 16 XLT0 XLT1 In Out 20 MHz clock input output 17 VCC In 5 V so...

Page 9: ...IGNABLE Jack input 5 SO Out Serial sound data output for the DAC 6 WCKO Out Word clock output for the DAC 7 VDD3 In 5 V source 8 TEST Not used 9 RESB In Reset signal input 10 VSS2 In Ground 0 V source 11 12 XIN XOUT In Out 20 MHz clock input output 13 WCKI In Word clock input from the CPU 14 SI In Serial sound data input from the CPU 15 BCKI In Bit clock input from the CPU 16 SINC In 1 MHz synchro...

Page 10: ...AM 62 66 70 74 78 VSS2 In Ground source 63 67 71 75 79 VDD2 In 5 V source 64 65 68 69 PA0 PA5 Out Button scan signal output 72 73 76 77 PA6 7 Out Not used Pin No Terminal In Out Function 1 22 SEG1 SEG40 Out Segment signal output 63 80 23 VSS GND 0 V source 24 25 OSC1 OSC2 In Out Terminals for the built in clock pulse generator The external resistor connected determines the oscillation frequency 26...

Page 11: ...e Synch signal Data Word clock Bit clock Data Word clock Bit clock DSP LSI2 HG51B277FB DAC IC1 UPD6379GR CPU LSI1 GT913F T L OUT R OUT SI LRCK CLK SO WCKO SCK1 SO LRCK BCK SINC SI WCKI BCKI FILTER BLOCK Since the sound signals from the DAC are stepped waveforms the filter block is added to smooth the waveforms DAC IC1 UPD6379GR The DAC receives 16 bit serial data output from the DSP The data conta...

Page 12: ...bootstrap capacitor 3 OUT2 Out Channel 2 output 4 VCC In 9 V source 5 OUT1 Out Channel 1 output 6 B S 1 Terminal for a bootstrap capacitor 7 Power GND In Ground 0 V source 8 Stand by In Power control signal input 0 V Off 9 V On 9 DC Terminal for a decoupling capacitor 10 NF1 In Negative feedback input 11 IN1 In Channel 1 input 12 IN2 In Channel 2 input 13 NF2 In Negative feedback input 14 15 Pre G...

Page 13: ... 11 ADJUSTMENT DISPLAY PCB 1 Items to be adjusted 2 Adjustment and Test Point Locations TOP VIEW Item Measuring Instrument Vop voltage setting Voltmeter BOTTOM VIEW VR501 TP2 TP1 ...

Page 14: ...ltmeter TP1 TP2 Adjust for 4 2 to 4 3 V read ing on voltmeter under the temparature 20 to 25 C Makefineadjustment accord ing to the following instruc tion 1Watching the LCD at 32 52 angle to the horizontal adjust Vop voltage so that unenergized segments are seen dimly 2Watching the LCD at 62 23 upper limit angle check to see the segments completely 32 52 62 23 LCD Eye Eye upper limit ...

Page 15: ...9 DAC output L ch JH connector pin 9 0 DAC output R ch JH connector pin 8 A Sound signal L ch JK connector pin 4 B Sound signal R ch JK connector pin 5 7 RS signal PA4 JJ connector pin 4 8 R W signal PA5 JJ connector pin 5 1 2 CH1 CH2 3 4 CH1 CH2 5 6 CH1 CH2 7 8 CH1 CH2 9 0 CH1 CH2 A B CH1 CH2 0 5 s 20 ms 50 µs 0 5 s 1 ms 1 ms CH1 5 V CH2 5 V CH1 5 V CH2 5 V CH1 5 V CH2 5 V CH1 5 V CH2 5 V CH1 50 ...

Page 16: ... 14 PRINTED CIRCUIT BOARDS Main PCB JCM454 MA1M Top View Bottom View 2 10 9 3 8 1 4 7 5 6 ...

Page 17: ... 15 Sub PCB KDM454 MA2M 12 11 ...

Page 18: ... 16 LCD PCB JCM454 LCD1M A Top View Bottom View ...

Page 19: ... 17 SCHEMATIC DIAGRAMS Main PCB JCM454 MA1M 2 10 6 6 3 4 1 5 6 9 ...

Page 20: ... 18 Sub PCB KDM454 MA2M 12 11 ...

Page 21: ... 19 Display PCB JCM454 LCD1M ...

Page 22: ... 20 Keyboard PCBs JCM617T KY1M KY2M ...

Page 23: ... 21 PCBs JCM454 CN1M JCM454 CN2M JCM454 CN3M JCM454 CN4M ...

Page 24: ... S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38 S39 S40 C1 C2 C3 C4 C5 C6 C7 C12 S17 S8 S9 S10 S32 C9 S33 S34 S35 S36 S37 S38 S39 S40 S3 C12 S2 S1 S11 C9 S12 C16 S29 C15 C14 C13 S30 S31 S32 C12 C11 C10 S20 C9 S19 S18 C13 C14 C15 C16 C10 C12 S21 C11 S1 NC NC NC NC NC NC NC C13 C15 C16 C14 NC NC NC NC NC NC NC NC NC A ...

Page 25: ... S36 S37 S38 S39 S40 C1 C2 C3 C4 C5 C6 C7 C12 S17 S8 S9 S10 S32 C9 S33 S34 S35 S36 S37 S38 S39 S40 S3 C12 S2 S1 S11 C9 S12 C16 S29 C15 C14 C13 S30 S31 S32 C12 C11 C10 S20 C9 S19 S18 C13 C14 C15 C16 C10 C12 S21 C11 S1 NC NC NC NC NC NC NC C13 C15 C16 C14 NC NC NC NC NC NC NC NC NC 125 0 0 2 66 0 0 2 9 087 0 4 5 5 0 4 0 5 0 4 0 15 0 2 0 2 0 4 0 4 0 4 0 4 ...

Page 26: ... 24 EXPLODED VIEW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 14 18 17 19 20 21 22 23 24 25 26 27 28 29 R 1 R 2 R 3 ...

Page 27: ... our spare parts department if you need these parts for refurbish 1 Prices and specifications are subject to change with out prior notice 2 As for spare parts order and supply refer to the GUIDEBOOK for Spare parts Supply published seperately 3 The numbers in item column correspond to the same numbers in drawing PARTS LIST CTK 631 ...

Page 28: ...1 3501 7049 JACK POWER HEC2305 01 330 1 AC A J302 3612 0665 JACK PHONE YKB21 5006 1 AG B J303 3612 0789 JACK YKB21 5010 1 AC B J304 3501 4816 JACK DIN YKF51 5051 1 AH B DISPLAY PCB N 3 6927 4380 PCB ASSY LCD1M M240993 1 1 DL B LSI501 2012 6018 LSI LCD DRIVER SED1278F2A 1 AV A D501 2360 3056 DIODE ZENER HZS6A2LTD 1 AA A D502 2390 1344 DIODE 1SS133T 77 1 AA A Q501 502 2253 0710 TRANSISTOR 2SD965 R T...

Page 29: ...19 6927 5090 RUBBER BUTTON M240971 1 1 AE B N 20 6927 4700 RUBBER BUTTON M240942 1 1 AR B N 21 6927 4710 RUBBER BUTTON M240943 1 1 AP B N 22 6927 4720 RUBBER BUTTON M240944 1 1 AR B N 23 6927 5100 RUBBER BUTTON M240945 1 1 AS B N 24 6927 5110 RUBBER BUTTON M240946 1 1 AI B N 25 6927 5120 RUBBER BUTTON M240947 1 1 AI B 26 6927 0510 SWITCH SLIDE KNOB CSB 08D 1 AD B 27 6921 5030 KNOB SLIDE M311859 1 ...

Page 30: ...CASIO TECHNO CO LTD Overseas Service Division Nishi Shinjuku Kimuraya Bldg 1F 5 25 Nishi Shinjuku 7 Chome Shinjuku ku Tokyo 160 0023 Japan ...

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