(without price)

CTK-4000
JUL. 2008

CTK-4000

INDEX

ELECTRONIC KEYBOARD

Ver.2 : Dec. 2008

CONTENTS
SPECIFICATIONS------------------------------------------------------------------------------------------ 1
BLOCK AND WIRING DIAGRAM --------------------------------------------------------------------- 3
PCB LAYOUT ----------------------------------------------------------------------------------------------- 4
CIRCUIT DESCRIPTION --------------------------------------------------------------------------------- 5
PRINTED CIRCUIT BOARDS -------------------------------------------------------------------------- 7
DIAGNOSTIC PROGRAM ------------------------------------------------------------------------------10
EXPLODED VIEW ----------------------------------------------------------------------------------------13
PARTS LIST ------------------------------------------------------------------------------------------------14
SCHEMATIC DIAGRAMS -------------------------------------------------------------------------------17

SPECIFICATIONS
Keyboard
Touch Response

61 standard-size keys
2 types, Off

Maximum Polyphony

48 notes (24 for certain tones)

Tones
Built-in Tones
Sampling Tones
Functions

570
Up to 8 (Melody Sampling: 5, Drum Sampling: 3)*
Up to 10 seconds
Layer, Split

Reverb

1 to 10, Off

Chorus

1 to 5, Off

Metronome
Beats per Measure
Tempo Range

0, 2 to 6
30 to 255

Song Bank
Built-in Songs
User Songs

152
Up to 10*

Step Up Lesson
Lessons
Lesson Part
Functions

4 (Listen, Watch, Remember, Auto)

L, R, LR
Repeat, Voice Fingering Guide, Note Guide, Performance Evaluation

Music Challenge

20 notes

Auto Accompaniment
Built-in Rhythms
User Rhythms

180
Up to 10 (Accompaniment Edit)*

Registration

32 (4 setups 8 banks)

Recorder
Keyboard Play
Playing Along with a
Built-in Songs
Memory Capacity

Real-time recording, playback

5 songs, 6 tracks
1 song (L, R, LR)
Approximately 12,000 notes (total for 6 songs)

Other Functions
Transpose
Octave Shift
Tuning
Scale Tuning
Music Preset
One Touch Preset
Auto Harmonize
Arpeggiator

1 octaves (12 semitones)

Upper/Lower 2 octaves
A4 = approx. 440 Hz 100 cents
Preset Scales
305
180
12 types
90 types

MIDI

16 multi-timbre received, GM Level 1 standard

Musical Information Function

Tone, Rhythm, Song Bank, numbers and names; staff notation, ngering, pedal
operation, tempo, measure and beat number, chord name, etc.

Inputs/Outputs
USB port
Sustain/Assignable jack
Phones/Output jack
Audio In jack

TYPE B
Standard jack (sustain, sostenuto, soft, rhythm start/stop)
Stereo standard jack
Output Impedance: 200, Output Voltage: 4.5V (RMS) MAX
Stereo mini jack
Input Impedance: 9k, Input Sensitivity: 200mV

Power Jack

9V DC

Power Supply
Batteries
Battery Life
AC Adaptor
Auto Power Off

2-way
6 D-size zinc-carbon batteries or alkaline batteries
Approximately 5 hours continuous operation on zinc-carbon batteries
AD-5
Approximately 6 minutes after last key operation (Operates during battery use only)

Speakers

12cm 2 (Output: 2.5W + 2.5W)

Power Consumption

9V

Dimensions

95.0 37.6 13.0 cm (37 7/16 14 13/16 5 /8 inch)

Weight

Approximately 4.6kg (10.1 lbs) (without batteries)

7.7W

Design and specications are subject to change without notice.

* This data is stored in a shared memory area with a total capacity of approximately 320Kbytes
(1Kbyte = 1,024bytes).

BLOCK AND WIRING DIAGRAM

KEYBOARD PCB
(M802-KYA1)

KEYBOARD PCB
(M802-KYA2)

Keyboard

CN801 (13pin)

CN802 (10pin)

CN2 (13pin)

CN3 (15pin)

CN803 (10pin)

MA1~ MA18

KC5~KC7,
FI4~FI7,
SI4~SI7

MD0 ~ MD15

KC0~KC4,FI0~FI3,SI0~SI3
IC3

VA3

VCP

IC2

VDP3

VD5

IC6
POWER
SUPPLY
CIRCUIT

VD3

MA1~MA23
MD0 ~ MD15

MPU
IC7

VD3

CN804 (11pin)

MAIN PCB (M804-MDA1)

*Not used: 12pin-15pin

VA5

Keyboard

SRAM(4Mbit)
IC9
P2ROM(128Mbit)
IC1

CN7 (4pin)

CN5 (5pin)

Filter
IC5

CN4 9pin)

CN1 (15pin)

CONSOLE PCB (M804-PSA1)

CN1 (15pin)
VD3

Filter
IC2

VD5

Power Amplifier
IC1

CN3 (5pin)

CN5

Filter
IC3

CN4

CN6

VCP

VA5

VC

Power Supply Circuit

Q1~Q3,Q7,D105,203

CN22 CN18

CN7

CONSOLE PCB
(M805-CNB2)
CONSOLE PCB
(M805-CNB1)

CONSOLE PCB
(M805-CNA1)

CN14 CN15

LVD5

CN18 (9pin)

CN19 (5pin)

LCD
CONTROLLER
IC1

BUTTON
CONTROLLER
IC2

CN3 (11pin)

CN3 (11pin)

PCB LAYOUT
M805-CNB2 PCB
M805-CNB1 PCB
M804-PSA1 PCB

M802-KYA1 PCB

M804-MDA1 PCB
M805-CNA1 PCB

M802-KYA2 PCB

PCB

Components

MAIN PCB

M804-MDA1

MPU, Reset IC, SRAM(4Mbit), P2ROM(128Mbit), Key controller,

SD card, USB, Power supply circuit

SUB PCB

M804-PSA1

Power supply circuit, Power amplifer, Phones terminal,

Phone terminal, Pedal, DC IN jack

Console PCBs

M805-CNA1

LCD, LCD contorller, Button, Button contorller

M805-CNA2

Speaker

M805-CNA3

Speaker

M805-CNB1

Power SW, Button

M805-CNB2

Main volume

M802-KYA1

Keyboard

Keyboard PCBs

M802-KYA2

CIRCUIT DESCRIPTION
KEY MATRIX
KC0

KC1

KC2

KC3

KC4

KC5

KC6

KC7

FI0

C2

C2#

D2

D2#

E2

F2

F2#

G2

SI0

C2

C2#

D2

D2#

E2

F2

F2#

G2

FI1

G2#

A2

A2#

B2

C3

C3#

D3

D3#

SI1

G2#

A2

A2#

B2

C3

C3#

D3

D3#

FI2

E3

F3

F3#

G3

G3#

A3

A3#

B3

SI2

E3

F3

F3#

G3

G3#

A3

A3#

B3

FI3

C4

C4#

D4

D4#

E4

F4

F4#

G4

SI3

C4

C4#

D4

D4#

E4

F4

F4#

G4

FI4

G4#

A4

A4#

B4

C5

C5#

D5

D5#

SI4

G4#

A4

A4#

B4

C5

C5#

D5

D5#

FI5

E5

F5

F5#

G5

G5#

A5

A5#

B5

SI5

E5

F5

F5#

G5

G5#

A5

A5#

B5

FI6

C6

C6#

D6

D6#

E6

F6

F6#

G6

SI6

C6

C6#

D6

D6#

E6

F6

F6#

G6

FI7

G6#

A6

A6#

B6

C7

SI7

G6#

A6

A6#

B6

C7

Note: Each key has two contacts, the rst conatct 1 and second contact 2.
Key

FI
Second contact 2

First contact 1

KC
SI

NOMENCLATURE OF KEYS

C2

C3

C4

C5

C6

C7

BUTTON MATRIX
SW00

SW01

SW02

SW03

SW04

SW05

SW06

SWI0

SAMPLING

RECORDER

RHYTHM

CARD

SWI1

SCALE
EDITOR

FUNCTION

SONG
BANK

TONE

SWI2

RHYTHM
EDITOR

METRONOME

LISTEN

WATCH

SWI3

TEMPO
DOWN

START/
STOP

REMEMBER

NEXT

SWI4

CHORDS/
ACCOMP
ON_OFF

TEMPO

AUTO

MUSIC
CHALLENGE

SPLIT

LAYER

AUTO
HARMONIZE/
APPEGGIATOR

SWI5
SWI6

UP

VARIATION/ SYNCHRO/
FILL-IN
ENDING
NORMAL/
FILL-IN

INTRO

PRINTED CIRCUIT BOARDS

Main PCB M804-MDA1

Sub PCB M804-PSA1

Top View
Top View

Bottom View
Bottom View
7

Console PCB M805-CNA1

Console PCB M805-CNA2

Console PCB M805-CNB1

Top View

Console PCB M805-CNB2

Bottom View

Console PCB M805-CNA3

Keyboard PCB M802-KYA1

Top View

Bottom View

Keyboard PCB M802-KYA2

Top View

Bottom View

DIAGNOSTIC PROGRAM
Initial Setting

1. Connect the AC adaptor.

2. "Main" volume: MAX
3. Prepare a PC with USB cable connected for USB check.

How to start diagnostic program

1. Press and hold the "0", "1" and "2" buttons.

2. Press the "POWER" button.
3. The massage "TESTMODE" is appears on LCD.

TESTMODE

4. Release the "0", "1" and "2" buttons.

Diagnostic program
1. Button check
Press "1" button.

1:SW

Press the button in the order indicated in the illustration below.

The button number will be displayed on the LCD.
Example) SW00 + (the button number shown in the illustration)

If the switch function is OK: You will hear the OK sound signal and the button number will be displayed.
If the switch function is NG or switches were pressed in a wrong order: You will hear the NG sound signal
and the button number will be displayed.
23

00

25

01

24

02

21

04

05

06

07

08

20

0A 09

0E

0B

0C

0F

0D

Press the "+" button the last.

10

11

12

13

1B

1C

1D

18

19

1A

15

16

17

14

1F

OK

22 26

1:SW OK!

Press "0" to end the Button Check.

TEST 1-9

10

2. AC adaptor check
Press "3" button.
Make sure that a value "XXX" shown in the illustration is in
the range of 000 to 3FF.
Press "3" button.
Make sure that a value "XXX" shown in the illustration is in
the range of 000 to 1FF.

3:AD1XXX
000 to 3FF
3:AD3XXX
000 to 1FF

Press "0" to end the AC adaptor Check.

TEST 1-9

3. Memory check
Press "5" button. (ROM check)

5:ROM

Press "1" button.

OK

* Check for "OK" message and sound signal.

Press "0" to end the ROM Check.

TEST 1-9

Press "6" button. (RAM check)

6:MEM

Press "1" button.

OK

* Check for "OK" message and sound signal.

Press "0" to end the RAM Check.

TEST 1-9

11

4. ROM Version and Model check

Press "9" button. (ROM Version)

6501

"6501" must be displayed.

Press "9" button. (Model)

MX804

"MX804" must be displayed.

Press "0" to end the ROM Version and Model Check.

5. LCD check
Press "2" button.

TEST 1-9

2:LCD

Press "2" button.

* All dots and characters of LCD turn on.
* There is no lack of the dot and the charater.
Press "2" button.
* LCD no display.
Press "0" to end the LCD Check.

TEST 1-9

6. USB check
* Operating System
Windows XP (SP2 or later)*1
Windows Vista *2
Mac OS X (10.3.9, 10.4.11 or later, 10.5.2 or later)
*1: Windows XP Home Edition
Windows XP Professional (32- bit)
*2: Windows Vista (32- bit)
Connect CTK-4000 to the computer with a USB cable.
Check that the message "USB AUDIO DEVICE" appears in "Device Manager" "Sound, Video and
Game Controller" on the computer monitor.
Disconnect the USB cable.
Check that the message "USB AUDIO DEVICE" disappears in "Device Manager" "Sound, Video and
Game Controller" on the computer monitor.
DIAGNOSTIC PROGRAM IS FINSHED.

12

EXPLODED VIEW
42

R-1

15
16

40
20
19
18

17

24
22

31
25

21

10

26
31

23

27

29

28

30

13
(-)

14

12

33
4

(+)

32
5

11

1
40

(-) (+)

2-2

2-1

R-2
41

40
37
36

35

39
38

35

R-5
34
41

R-4

39
R-3

13

PARTS LIST
CTK-4000

Notes:

This parts list does not include the cosmetic parts,

which parts are marked with item No. R-X in the
exploded view.
Contact our spare parts department if you need
these parts for refurbish.
1. Prices and specications are subject to change
without 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.

14

1
2
3
4
5

CTK-4000_DI
CTK-4000_CHINA
CTK-4000_EU
CTK-4000_UK
CTK-4000_US

Item

Parts NO.

1
CN7
D1-D4
IC5
IC8
IC4
IC2
IC6
IC9
IC1
L11
L2,4,10
L3

Main PCB
10310574
10236622
10276977
10211950
10197554
10197809
10098821
10269340
10299049
10305133
10193074
10089941
10238668

PCB ASSY/MDA1
CONNECTOR
DIODE
IC
IC
IC
IC
IC
LSI
LSI
COIL
COIL
COIL

2
2-1
2-2
FU4
FU3
IC1
J2
J5
J4
J3
L3,4
L2,5
Q3
D103,202,203
D105
IC2,3,4
Q1
Q2,7

Sub PCB
10310575
10206832
10206831
10236708
10307615
10300598
10088189
10206815
10305218
10305131
10231919
10231920
10206676
10276977
79114195
10211950
10216428
10207675

PCB ASSY/PSA1
WIRE
WIRE
FUSE
FUSE
IC
CONNECTOR
CONNECTOR
CONNECTOR
CONNECTOR
COIL
COIL
TRANSISTOR
DIODE
DIODE
IC
TRANSISTOR
TRANSISTOR

N
N
N

3
IC2
VR1
X1
D4,5
IC1
Q2,3
Q1
4
VR1

5
6
D1-D61

Parts Name

Console PCBs
10310578 BL ASSY
10159709 LSI
69304870 VARIABLE R
10093909 CERAMIC OSCILLATOR
10209564 LED
10222381 LSI
10202670 TRANSISTOR
10207675 TRANSISTOR
10310579 PCB ASSY/CNB2
10273794 VARIABLE RESISTOR

Specification

Q'TY
3
4

Price
Code

1
1
4
1
1
1
1
1
1
1
1
3
1

1
1
4
1
1
1
1
1
1
1
1
3
1

DH
AC
AA
AC
AE
AE
AD
AE
BX
BN
AC
AA
AA

A
X
X
C
C
C
C
C
C
C
X
X
X

1
1
1
1
1
1
1
1
1
1
2
2
1
3
1
3
1
2

1
1
1
1
1
1
1
1
1
1
2
2
1
3
1
3
1
2

1
1
1
1
1
1
1
1
1
1
2
2
1
3
1
3
1
2

CX
AA
AA
AC
AC
AG
AC
AA
AI
AO
AA
AA
AB
AA
AA
AC
AB
AA

B
X
X
C
C
C
C
C
C
C
X
X
X
X
X
X
X
X

1
1
1
1
2
1
2
1
1
1

1
1
1
1
2
1
2
1
1
1

1
1
1
1
2
1
2
1
1
1

DH
AT
AA
AC
AA
AU
AA
AA
CG
AO

C
C
C
X
X
X
X
X
C
X

1
1
1
1
1
1
1
1
1
1
61 61 61 61 61

CJ
CE
AA

C
C
X

TK-RJM508908*001
USB-4FBRS30NB2
L1SS400T1G
NJM2068M-D(TE1)
TC7SZ126FU(TE85L.F
TC7WH123FU(TE12L.F
XC6202P332PR
XC6403FY51PR
LP62S16256GV55LLIF
MR27T12802L11ATA3A
DLW21HN181SQ2L
BLM21PG221SN1D
EBMS160808A102

1
1
4
1
1
1
1
1
1
1
1
3
1

1
1
4
1
1
1
1
1
1
1
1
3
1

1
1
4
1
1
1
1
1
1
1
1
3
1

TK-RJM508909*001
1007TASC24140W4040
1007TASC24140G4040
25H1000G
25H1250G
TA8227APL-D12-H-T
DS-240A2-383V4H
JY-6314*01-030
JY-6316B*01-070
ST-3529B
RB53-856396NP
RB53-856397NP
KTC2026-Y-U/P
L1SS400T1G
UDZSTE-175.6B
NJM2068M-D(TE1)
KTA1666-Y-RTF/P
KTC4075-GR-RTK/P

1
1
1
1
1
1
1
1
1
1
2
2
1
3
1
3
1
2

1
1
1
1
1
1
1
1
1
1
2
2
1
3
1
3
1
2

TK-RJM508713*001
UPD65881GK-1019ETA
EVND8AA03B53
CSBLA1M00J58-B0
KPTD-3216SURCK
ST7066U-0A-QG
KTA2014-GR-RTK/P
KTC4075-GR-RTK/P
TK-RJM508910*001
F-09KGH1-CASIO-2

1
1
1
1
2
1
2
1
1
1

1
1
1
1
2
1
2
1
1
1

Keyboard PCBs
10304697 PCB ASSY/KEY/RUBER TK-RJM508598*001
10304698 PCB ASSY/KYA
TK-RJM508618*001
10294400 DIODE
LM1MA142WKT1G

15

Remarks

White(+)
Green(-)

DC jack
Pedal jack
Phone jack

1
2
3
4
5
N

N
N
N
N
N
N
N
N
N
N
N
N

N
N
N
N
N
N
N
N

CTK-4000_DI
CTK-4000_CHINA
CTK-4000_EU
CTK-4000_UK
CTK-4000_US
Item

Parts Name

Specification

Q'TY
3
4

Price
Code

Remarks

7
8
9
10
11
12

Keyboard Unit
10269451 RUBBER/CONTACT/CB
10270393 RUBBER/CONTACT/CS
10249864 WHITE KEY/CB
10249865 WHITE KEY/CS
10274032 BLACK KEY/10P
10247548 BLACK KEY/5P

RJM507656-001V01
RJM507657-001V01
TK-RJM507243*001
TK-RJM507244*001
RJM506595-001V02
RJM506595-002V01

4
1
4
1
2
1

4
1
4
1
2
1

4
1
4
1
2
1

4
1
4
1
2
1

4
1
4
1
2
1

AG
AG
BB
BD
AL
AE

B
B
C
C
C
C

13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

Case Unit
10131110
10308432
10305395
10187478
10305382
10305384
10305385
10305387
10305389
10305390
10305391
10305393
10308433
10203058
10037738
10131094
10250780
10248119
10272063
10309816
10309817
10310573
69226920
10301471
10304864
10205015
69226920
10263728
10214396
10136565

RJM502577-001V01
SLR343BD2T3F
RJM508689-001V01
RJM502503-005V02
RJM508680-001V01
RJM508681-001V01
RJM508682-001V01
RJM508683-001V01
RJM508684-001V01
RJM508685-001V01
RJM508686-001V01
RJM508687-001V01
TY11239N-C0025/08
RJM505822-001V01
M441167-1
RJM502565-001V01
RJM507061-001V01
RJM506818-001V01
C12J03
1007TASC24360B3030
1007TASC24370T3030
TK-M341288*005
M41361-6
RJM508593-001V01
RJM507745-002V01
M440342-001V02
M41361-6
M441117-001V02
RJM506032-001V01
M441190-002V01

1
2
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
2
1
1
1
2
3
2
1

1
2
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
2
1
1
1
2
3
2
1

1
2
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
2
1
1
1
2
3
2
1

1
2
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
2
1
1
1
2
3
2
1

1
2
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
2
1
1
1
2
3
2
1

AC
AS
AH
AG
AH
AJ
AK
AK
AK
AH
AK
AH
BL
AD
AA
AA
AA
AL
AP
AA
AA
BL
AA
AJ
AC
AC
AA
AB
AA
AH

C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
X SP RIGHT+
X SP RIGHTC
X
C
C
C
C
X
X
X

ACCESSORIES
10107083 STAND/MUSIC

M141071-5

AW

REFURBISH
10310576 CASE ASSY/UPPER
10313608 CASE UNIT/MAIN
10302799 L COVER/A
10302800 L COVER/B
10302801 L COVER/C

TK-RJM508712*001
TK-RJM508715*001
RJM508655-001V01
RJM508656-001V01
RJM508657-001V01

1
1
1
1
1

1
1
1
1
1

1
1
1
1
1

1
1
1
1
1

1
1
1
1
1

DE
DE
AD
AD
AD

C
C
C
C
C

N
N

Parts NO.

R-1
R-2
R-3
R-4
R-5

REFLECTOR
LED
PLATE/DISPLAY
KNOB/ROTARY
RUBBER KEY/A
RUBBER KEY/B
RUBBER KEY/C
RUBBER KEY/D
RUBBER KEY/E
RUBBER KEY/F
RUBBER KEY/G
RUBBER KEY/H
LCD
CONNECTOR
SPONGE
TOP PIECE
FILM
PLATE/BL
SPEAKER
WIRE
WIRE
COVER ASSY/BATTERY
FOOT/RUBBER
CUSHION
DAMPER/KB
CUSHION
FOOT/RUBBER
PACKING
PACKING
PACKING

16

SCHEMATIC DIAGRAMS
Main PCB M804-MDA1

Not used:
pin12 to pin15

17

Sub PCB M804-PSA1

Not used

18

Console PCB M805-CNA1

19

Console PCB M805-CNA2

Console PCB M805-CNA3

20

Console PCB M805-CNB1

Console PCB M805-CNB2

21

Console PCB M802-KYA1

22

Keyboard PCB M802-KYA2

23

Ver.1 :

Oct. 2008
Addition of The CONTENTS
Addition of The DIAGNOSTIC PROGRAM (P8 to P10)

Ver.2 :

Dec. 2008
Addition of The CONTENTS
Correction of The BLOCK AND WIRING DIAGRAM (P3)
Correction of The PCB LAYOUT (P4)
Addition of The CIRCUIT DESCRIPTION (P5 to P6)
Correction of The PRINTED CIRCUIT BOARDS (P7 and P8)
Correction of The SCHEMATIC DIAGRAMS (P18 and P20)

CASIO COMPUTER CO.,LTD.

Overseas Service Division
6-2, Hon-machi 1-Chome
Shibuya-ku, Tokyo 151-8543, Japan