Casio WK-240 Service Manual & Parts Catalogue

WK-240
– 3 –
BLOCK AND WIRING DIAGRAM
KEYBOARD PCB (M709-KYA1)
MAIN PCB
(M822-MDA1)
POWER & AMP PCB
(M829-PSA1)
KEYBOARD PCB (M709-KYA2)
BATTERY
CN802 (10 pin) CN803 (10 pin)
CN804 (15 pin)
CN4 (13 pin)
CN5 (15 pin)
CN7 (+)
CN8 (-)
CN2 (10 pin) CN7 (5 pin)
CN16 (10 pin) CN20 (5 pin)CN14 (11 pin)
CN15 (+)
CN17 (-)
CN10 (+)
CN9 (-)
CN1 (11 pin)
USB (CN8)
MIC IN (J4)
PHONES (J1)
PEDAL (J1)
SPEAKER (L)
SPEAKER (R)
MIC VOL. (VR2)
MAIN VOL. (VR3)
AUDIO IN (J3)
CN8 (4 pin)
CN801 (13 pin)
FI0~FI3,
SI0~SI3,
KC0~KC4
FI4~FI9,
SI4~SI9,
KC5~KC7
LOUT, ROUT
AUDIO IN/MIC,
ADIN, APO,
STBY_CTL
ARXD,
ATXD
DB4~DB7,
E, R/W, RS, NMI
MPU
LSI1
Flash Memory
(128 Mbit)
LSI3
Button Controller
IC1
LCD
Controller/Driver
IC5
Power
Amplifier
IC2
MA1~MA19
MD0~MD15
MD0~MD15
MA1~MA23
SRAM
(4 Mbit)
LSI4
Filter
IC5
Filter
IC3
Power Supply Circuit
IC6, C24, C25, C27,
C33, C35, C183
Power
Supply Circuit
IC3, Q4, D1
Power Supply Circuit
Q4, Q6, Q7, C35~C37,
C40, C109, D4, D5
VA5
VD3
VD5
VA5
VA3VC
VD5
LOUT
ADIN
APO
ROUT
LCD
BUTTONS
POWER
SWITCH
DC (J2)
VCP
Filter
IC4
D1
D3

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