Casio CTK-750 Manuel d'utilisateur télécharger pdf (Page 5)

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BLOCK DIAGRAM

KC0 ~

KC7

SI0 ~ SI7

FI0 ~ FI7

Key Touch LSI

HG52E35P

Working Strage

RAM (256K-bit)

HM62256ALP-10

Working Strage

RAM (256K-bit)

HM62256ALP-10

7-Segment

LED

LO0 ~ LO4

LED driver

BA612

LD0 ~ LD7

KO0 ~ KO7

Buttons

KI1 ~ KI7

VDD

Power Switch

MIDI

IN

OUT

EA0 ~ EA14

ED0 ~ ED7

DSP

HG51A115A01FD

RA0 ~ RA19

RD0 ~ RD15

Sound Source ROM

(16M-bit)

TC5316200CP-C081

WCK1 SLOP BCK

D/A Converter

UPD6376CX

Filter

Filter

Main

Volume

Power Amplifier

LA4620

Gate Array

UPD65005C-578

CPU

HD6433298A18P

Keyboard

A0 ~ A15

POWER

Power Supply Circuit

Q1 ~ Q7

VCC

AVDD

VDD

LVDD

DVDD

VD

APO

Effect RAM

(256K-bit)

HM62256ALP-10

D0~D7

Speakers

Output

A0 ~ A14

A0 ~ A3

A0 ~ A2

LEDs

1 2 3 4 5 6 7 8 9 10 ... 29 30

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