Specifications
REV.-B
1.7 MAIN COMPONENTS
I
I
The main components of the
LQ-570/l
070 printers are designed
to maintain and repair the printer. The main components are:
for easy removal and replacement
1)
C062
MAIN board:
the main control board; the CPU on this board controls all main functions.
2)
C062
PNL board:
the control panel board.
3)
C062
PSB\PSE
board:
the power supply board.
4) M-5
E10/5E60:
the printer mechanism.
C062 PSB/PSE Board
C062 MAIN Board
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Printer Mechanism M-5E60
Printer Mechanism
M-5E
10
(LQ-570)
(LQ-1
070)
Figure 1-11.
LQ-570/1070
Component Layout
1.7.1
C062
MAIN Board (Main Control Circuit Board)
The
C062
MAIN Board for the
LQ-570
consists of a TMP90C041 N 8-bit CPU, an E05A50 gate array,
a PROM (5 12K), a PSRAM (256 K), a mask ROM (character generator,
2M),
an EEPROM, and a hybrid
IC
(STK-6022B).
In addition to this, the board for the
LQ-1
070 also includes a SRAM (64 K).
(80-column)
Figure 1-12.
C062
MAIN
(1 36-column)
Board (80-column and 136-column)
1-26