Casio WK-240 Service Manual & Parts Catalogue

WK-240
– 5 –
CIRCUIT DESCRIPTION
Y
Nomenclature of Keys
E1 C2 C3 C4 C5 C6 C7 G7
Y
Key Matrix
Each key has two contacts, the fi rst contact

and second contact

.
[NOTE] The diagram below illustrates how the contacts work.
Key
Second contact
 First contact 
FI
KC
SI
KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
FI0 E1

F1

F1#

G1

G1#

A1

A1#

SI0 E1

F1

F1#

G1

G1#

A1

A1#

FI1 B1

C2

C2#

D2

D2#

E2

F2

F2#

SI1 B1

C2

C2#

D2

D2#

E2

F2

F2#

FI2 G2

G2#

A2

A2#

B2

C3

C3#

D3

SI2 G2

G2#

A2

A2#

B2

C3

C3#

D3

FI3 D3#

E3

F3

F3#

G3

G3#

A3

A3#

SI3 D3#

E3

F3

F3#

G3

G3#

A3

A3#

FI4 B3

C4

C4#

D4

D4#

E4

F4

F4#

SI4 B3

C4

C4#

D4

D4#

E4

F4

F4#

FI5 G4

G4#

A4

A4#

B4

C5

C5#

D5

SI5 G4

G4#

A4

A4#

B4

C5

C5#

D5

FI6 D5#

E5

F5

F5#

G5

G5#

A5

A5#

SI6 D5#

E5

F5

F5#

G5

G5#

A5

A5#

FI7 B5

C6

C6#

D6

D6#

E6

F6

F6#

SI7 B5

C6

C6#

D6

D6#

E6

F6

F6#

FI8 G6

G6#

A6

A6#

B6

C7

C7#

D7

SI8 G6

G6#

A6

A6#

B6

C7

C7#

D7

FI9 D7#

E7

F7

F7#

G7

SI9 D7#

E7

F7

F7#

G7


Casio WK-240 Specifications

General

Control type	Buttons
MIDI-keyboard number of keys	76 keys
Metronome	Yes
Product color	Black, Silver
Sound effects	Chorus, Reverberation
Sound effects quantity	180
Maximum polyphony (notes)	48
Music memory capacity (songs)	10
Interface	USB
Headphone outputs	1
Display type	LCD
Power source type	AC, Battery, DC
Number of batteries supported	6

Weight and Dimensions

Depth	385 mm
Width	1161 mm
Height	134 mm
Weight	6900 g