Casio CTK-485 Bedienungsanleitung PDF herunterladen (Seite 4)

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BLOCK DIAGRAM

CPU

MSM 6755B-17

LSI1

Keyboard

Buttons

LCD

LCD Driver

KS0066U-10B

LSI3

Reset IC

IC1

Power

Switch

Oscillator

X1, Q1

Power Supply Circuit

Q101 ~ Q104, D205

Power Amp.

LA4598

IC101

Filter (L)

Q106

Filter (R)

Q107

Phones/Output

Speaker (L)

Speaker (R)

VC VCC DVDD AVDD

APO

MD0 ~ MD7

MA0 ~ MA18

DC + 9 V IN

DB4 ~ DB7

COM1 ~ COM14

SEG1 ~ SEG40

RS

R/W

E

KO8 ~

KO12

KI0 ~ KI6

KI0 ~ KI7

KO0 ~ KO7

ROM(2M-bit)

LC372100PM-

H78

LSI2

1 2 3 4 5 6 7 8 9 ... 19 20

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