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KC0

KC1

KC2

KC3

KC4

KC5

KC6

KC7

FI8

ONE

REVERB

EQUALIZER RNYTHM

TONE

7

8

9

TOUCH

FI9

SONG

CHORUS

SYNTH

TRANSPOSE

4

5

6

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

Summary of Contents for CTK-671

Page 1: ...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...

Page 2: ...CONTENTS Page Specifications 1 Block Diagram 3 Circuit Description 4 Printed Circuit Boards 5 Schematic Diagrams 7 Exploded View 12 Parts List 13...

Page 3: ...es 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 Mem...

Page 4: ...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...

Page 5: ...C 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...

Page 6: ...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 B...

Page 7: ...5 PRINTED CIRCUIT BOARDS Main PCB JCM703 MA1M Top View Bottom View...

Page 8: ...6 Sub PCB KDM703 MA2M...

Page 9: ...7 SCHEMATIC DIAGRAMS Main PCB JCM703 MA1M...

Page 10: ...8 Sub PCB JCM703 MA2M...

Page 11: ...9 Display PCB JCM703 LCD1M...

Page 12: ...10 Keyboard PCBs JCM618T KY1M KY2M...

Page 13: ...11 PCBs CONGDE JCM703 CN1 CN2...

Page 14: ...12 EXPLODED VIEW 1 5 6 38 2 39 3 4 25 37 24 14 30 28 31 26 13 30 27 29 35 41 40 36 14 4 33 32 23 21 17 22 20 19 18 15 16 34 11 12 9 10 8 7...

Page 15: ...r 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...

Page 16: ...4 2 AF B D303 D305 D310 2315 3132 DIODE 1SS133T 77 4 AA B D306 2360 0644 DIODE ZENER HZS5BLLTD 1 AA B D307 2360 3084 DIODE ZENER HZS5 6NB3TD 1 AA B IC301 1004 3474 IC MONOLITHIC LA4635A 1 AN A IC302 2...

Page 17: ...23 1004 7861 RUBBER BUTTON M241549 1 1 AD B 24 1005 9359 CASE SUB ASSY UPPER M241619 1 1 CZ B 25 6927 0510 CONTACT SL CSB 08D 1 AD C 26 1002 7158 CONNECTOR M441141 1 2 AI C 27 6930 7200 PIECE TOP 476...

Page 18: ...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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