Epson LX-810 Technical Manual

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
t PD78 10HG
(2C)
CPU phase da
Data
-
. SLA702(
GA
E05A30
(3B)
vl drives the carriage motor with a stabilized current.
n
SLA
7020M
( 1A)
Phase
Data~
‘o
M
Figure 2-25. Carriage Drive Circuit Block Diagram

Epson LX-810 Specifications

General

Print Method	Impact dot matrix
Number of Pins	9
Character Sets	96 characters (USASCII)
Line Spacing	1/6 inch
Paper Path	Rear
Interface	Centronics parallel
Noise Level	55 dB (A)