Casio CTK-710 Service Manual

— 3 —
BLOCK DIAGRAM
RS
R/W
E
LDB4 ~ 7
Keyboard
MAIN PCB
(M628-MDA1)
Speakers
(L)
(R)
Main
Volume
CONSOLE PCB
( M628-CNA1)
AC ADAPTOR
DC 9V
MPU
ML6763B-NNWA-116
IC12
Filter
NJM2068M
IC5
Power AMP
LA4227-E
IC100
Phones/
Output
Mic Volume
Filter
NJM2068M
IC104
74AHCT
IC5, 6
MIC
LCD Controller
ST7066U
IC101
Power Supply
Q100 ~ Q102
D108
VD5
(5.3V)
Battery
VC
(9.0V)
VCP
(9.0V)
VA5
(5.3V)
Button
KEY PCB
(M627-KYA2)
KEY PCB
(M627-KYA1)
KC0 ~ 5
D1
KI0 ~ KI4
KI4 ~ KI7 KI0 ~ KI7
KO0 ~ KO7
FI8 ~ 9, KI0 ~ 2, FING, CAC, NORM, NMI, BEND

Casio CTK-710 Specifications

General

Brand	Casio
Model	CTK-710
Category	Electronic Keyboard
Language	English