Specifications

REV.-A
1.7 MAIN COMPONENTS
The main mmponents of the LQ-570+ printer are designed for easy removal and replacement at maintenance and
repair of the printer. The main composed of this printer are:
1)
C107 MAIN board: the main control board; the CPU on this board controls all main functions.
2)
C062 PNL board: the control panel bowd.
3) C062 PSWPSE board: the power supply board.
4) M-5J1O: the printer mechanism.
Figure 1-11. LQ-570+ Component Layout
1.7.1
C107 MAIN Board (Main Control Circuit Board)
This consists of a TMP90C041N 6-bit CPU, an E05A50 gate array, a PROM (512K), a mask ROM (character
generator,
2M), Head Gate Array, an EEPROM, a CR Driver, a PF Driver and Head Drivers.
STK6712(!C1O)
E05A50(IC11)
\
CPU
TMP90C041(IC21)
\ I
“ MASKROM(IC17)
PROM(IC1
4)-
,
o
-UJ
I
o
w- 1
I
Eo5A6k(lc2)
Figure 1-12. C107 MAIN Board
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