Casio CPS-85 User Manual

— 3 —
BLOCK DIAGRAM
Buttons
Keyboard
FI0 ~ FI10
SI0 ~ SI10
KC0 ~ KC7
KI0 ~ KI2
MIDI
INOUT
Working Storage
RAM (64K-bit)
LSI2
HY6264ALLJ-70
MA0
~
MA12
MD0
~
MD7
MD0 ~ MD15
MA1 ~ MA19
Sound Source ROM
(8M-bit)
LSI3
MX23C1610MC-12
CPU
LSI4
GT913F
BCK, SO, LRCKMA0, MA1
EA0 ~
EIO0 ~
EA14
EIO7
Effect RAM
(256K-bit)
LSI5
TC55257DFL-70L
DSP
LSI1
HG51B277FB
LEDs
VDD
SONGA
SONGB
DIGITAL EFFECT
SELECT
STOP
LRCK SO
Rmel Lmel
BCK
D/A Converter
LSI6
UPD6379GR
Filter
IC104
Main
Volume
Power Amplifier
IC101
LA4620
Output
Speakers
Reset IC
IC 1
RN5VD35AA
Pre. Amp.
IC103
Line In
POWER (APO)
Power Supply Circuit
Q101 ~ Q106
D108, D110, D111
6 × D-size batteries
AC adaptor AD-12
From CPU
Line Out
AVCCVDD VCC AVDD LVDD

Casio CPS-85 Specifications

General

Brand	Casio
Model	CPS-85
Category	Electronic Keyboard
Language	English