Casio CTK-650 User Manual

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Keyboard

KC0~KC7

SI0~SI7

FI0~FI7

Key Touch
     LSI

HG52E35P

D0~D7

  RAM-1(64K)
MN4464-08L-1

         CPU

HD6433298A16P
       (H8/329)

7-Segment
     LED

LO0~LO4

LED driver
   BA612

La
~Lp

KO0~KO5

Buttons

KI1~KI7

100K

VDD

Power Switch

MIDI

IN

OUT

  RAM-2(64K)

MN4464-08L-2

EA0~EA12

ED0~ED7

       LSI-S

HG51A115A01FD

RA0~RA19

RD0~RD15

        ROM(16M)

TC5316200CP-C079

WCK1    SLOP    BCK

D/A Converter

 µPD6376CX

Filter

Filter

  Main
Volume

Power Amplifier

       LA4598

Output

Speakers

Address Bus

KO0~4