Specifications

REV.-A

2.2.3.3 Carriage Drive Circuit Block Diagram

Figure 2-25

shows a block diagram of the carriage motor drive circuit. In this circuit, the phase switching

for the carriage motor is directly executed not by the CPU, but by the gate array (3 B), which acts on

the

CPU

PD78 10HG

(2C)

CPU phase da

Data

SLA702(

E05A30

(3B)

drives the carriage motor with a stabilized current.

SLA

7020M

(

1A)

Phase

Data~

‘o

Figure 2-25. Carriage Drive Circuit Block Diagram