9 schematic diagram, Schematic diagram (digital circuit) – Panasonic KX-FT21RS User Manual

Page 147

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9 SCHEMATIC DIAGRAM

9.1. SCHEMATIC DIAGRAM (DIGITAL CIRCUIT)

CIS LED ARRAY
ON: 3.3V

T5

3.3V

0V

T4

T3

T2

OFF: 0V

MOTOR ON: 3.3V

OFF: 0V

PRINTING

LATCH

STB1

THERMAL
HEAD TEMP

STB2

DATA

CLOCK

5V

0V

5V

0V

5V
0V

23~24V

PRINTING 3.3V

WATCH DOG ERROR
5V (NORMAL)

5V
0V (WATCH DOG ERROR OCCUR)

FAX TX signal

FAX RX signal

KX-FT21RS

147

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