Casio WK-3500 Service Manual

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BLOCK DIAGRAM
MIDI
RAM (1Mbit)
IC4
CY62128VLL-70AZI
PEDAL
Assingnable Jack
Reset IC
IC8
R1151N001C-TR
RESET
16.384MHz
EA0 ~ EA19
ED12 ~ ED19
Q207
D209
Filter
IC202, IC203
DAC IC5
uPD63200GS
Main
Volume
Power Amplifier
IC205
LA4636
Power Supply Circuit
Q201 ~ Q205, IC201,
D201, D205
(9-12V)
VC
(9-12V)
VCP
APO
ADIN
Battery
APO Cancellation
Speakers
(L)
(R)
Phones/Output
LOUT
CONT
ROUT
(5V)
VF5
(5V)
VD5
AC Adaptor
DC 12V
Keyboard
Buttons
FLASH ROM (16MBit)
IC2
LH28F160BJHE-BTL90
RAM (1Mbit)
IC6
D442000AGUBB859JE3
ROM (64Mbit)
IC3
MR27V6402G01FTNZ04
MD0 ~ MD15
MA0 ~ MA23, MA25
CPU
IC15
uPD914AGM-3ED
KEY/BUTTON
CONTROLLER
IC20
TC190C020AF-001
FDD Controller
IC21
ML6757GA-115
KC0 ~ KC7
SI0 ~ SI7
FI0 ~ FI7
FI8 ~ FI10, FI0 ~ FI7, KI0 ~ KI2,
LD14 ~ LD16, LD20 ~ LD22
LCD Controller
ML9040-B02GA (IC401)
IN
OUT
D203
MA0 ~ MA13, MA25
MD0 ~ MD7
MD0 ~ MD15
MA0 ~ MA21
MA0 ~ MA21
MD0 ~ MD15
MA0 ~ MA15, MA25
MD0 ~ MD7
MA1 ~ MA3
MD0 ~ MD15
LINE OUT
L
R
3.5" FDD Unit
702D-6238D-05007

Casio WK-3500 Specifications

General

Brand	Casio
Model	WK-3500
Category	Electronic Keyboard
Language	English