Block And Wiring Diagram - Casio CTK-2200 Service Manual

KEYBOARD PCB (M800-KYA1)
MAIN PCB (M822-MDA1)
USB PEDAL (J1)
CN8 (4 pin)
Filter
IC5
VD3
Power Supply Circuit
VD5
IC6, C24, C25, C27,
C33, C35, C183
SUB PCB
CN101 (11 pin)
(M822-PSA1)
ADIN
POWER SWITCH
(SW301, SW302)
VD5 VA5
VA3
Power Supply Circuit Power
Q101, Q102, Q106, Supply Circuit
Q108, Q109, C185, IC3, Q4, D1
C203~C205, D104, D105
D101
VCP
D103
DC 9.5 V IN (J102)

BLOCK AND WIRING DIAGRAM

CN801 (13 pin)
LOUT, ROUT
MPU
LSI1
AUDIO IN,
VA5
ADIN, APO,
STBY_CTL
CN1 (11 pin)
Filter
IC104
APO
LOUT
ROUT
AUDIO IN (J104)
CN106 (+)
BATTERY
CN107 (-)
KEYBOARD PCB (M800-KYA2)
CN802 (13 pin)
FI0~FI3, SI0~SI3, KC0~KC7
CN2 (10 pin)
CN301 (10 pin)
Controller/Driver
IC301
BUTTONS
Filter
IC103
MAIN VOL.
(SW303)
PHONES (J103)
– 3 –
CTK-2200
CN803 (16 pin)
CN4 (16 pin)
MA1~MA22
Flash Memory
(16 Mbit)
LSI2
MD0~MD15
DB4~DB7, KC0~KC7,
E, R/W, RS, NMI KI1, KI2,
FI9, FI10
CN6 (12 pin)
CN302 (12 pin)
LCD
LCD
Power
Amplifier
SPEAKER (L)
IC101
CN105 (-)
CN104 (+)
CN108 (+)
CN109 (-)
SPEAKER (R)