Casio WK-3700 Service Manual

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BLOCK DIAGRAM
CONSOLE PCB (M734-CN1M)
CONSOLE PCB
(M734-CN8M)
Keyboard PCB
(JSM764T-KY1M/
KY2M)
SUB PCB
(M734-MA2M)
MAIN PCB
(M737-MD1)
LCD PCB
(M734-LCD1M)
CONSOLE PCB
(M734-CN5M)
CONSOLE PCB
(M734-CN4M)
MIDI
RAM (1Mbit)
IC4
CY62128VLL-70AZI
Assingnable Jack
Reset IC
IC8
R1151N001C-TR
RESET
16.384MHz
EA0 ~ EA15, EA18
ED12 ~ ED19
Filter
IC202, IC203
DAC IC5
uPD63200GS
Power Amplifier
IC205
LA4636
Power Supply Circuit
Q201 ~ Q205,
IC201, D205
(9-12V)
VC
(9-12V)
VCP
APO
Battery
Speakers
(L)
(R)
Phones/Output
LOUT
CONT
E
R/W
RS
ROUT
(5V)
VF5
(5V)
VD5
FLASH ROM (32MBit)
IC2
LH28F320BFHPBTL70
RAM (2Mbit)
IC6
LP62S2048X-70LLT/Q
ROM (128Mbit)
IC36
MR27V12800J137TN3D
IC17
TC74LCX245FT
FDD Controller
IC21
ML6757GA-115
Keyboard
IN
OUT
LCD Controller
ML9040-B02GA (IC401)
D201
LINE OUT
L R
3.5" FDD UnitSmart media Unit
MA0 ~ MA20
MA0 ~ MA21
MA0 ~ MA16, MA25
MA0 ~ MA13, MA25
CONSOLE PCB
(M734-CN2M)
SUB PCB (M734-MA3M)
CONSOLE PCB
(M734-CN3M)
MD0 ~ MD15
MD0 ~ MD15
MD0 ~ MD7
MD0 ~ MD7
MD0 ~ MD7
Q207 D209
MPU
IC15
uPD914AGM-3ED
HUMANIZERSYNTH
DRAWBER
Main
Volume
KC0 ~ KC7 FI0, KI0 ~ KI2
KC0 ~ KC3
MD0 ~ MD15
MA0 ~ MA3
DB0 ~ DB7
SWCO ~ SWC6
SWIO ~ SWI7
PWSW
RESB
TXDO
TXDI
BUTTON/LED
CONTROLLER
IC301
UPD65881GK-062-9ET
Buttons
SI0 ~ SI9,
FI0 ~ FI9
DSP ON/OFF
KEY/BUTTON
CONTROLLER
IC20
TC190C020AF-001
AC ADAPTOR
DC 12V

Casio WK-3700 Specifications

General

Brand	Casio
Model	WK-3700
Category	Electronic Keyboard
Language	English