Schematic Diagram; Schematic Diagram (Digital Circuit) - Panasonic KX-FT21RS Serivce Manual

9 SCHEMATIC DIAGRAM

9.1.

SCHEMATIC DIAGRAM (DIGITAL CIRCUIT)

CIS LED ARRAY
ON: 3.3V
OFF: 0V
MOTOR ON: 3.3V
PRINTING
23~24V
PRINTING 3.3V
LATCH
DATA
5V
5V
0V
0V
CLOCK
STB1
STB2
THERMAL
HEAD TEMP
T5
T4
T3
T2
OFF: 0V
5V
0V
WATCH DOG ERROR
5V (NORMAL)
5V
0V (WATCH DOG ERROR OCCUR)
3.3V
0V
147
KX-FT21RS
FAX TX signal
FAX RX signal