Main Components; C062 Main Board (Main Control Circuit Board); C062 Psb/Pse Board - Epson LG1-1070 Service Manual

REV.-B

1.7 MAIN COMPONENTS

I The main components of the LQ-570/l 070 printers are designed
to maintain and repair the printer. The main components are:
1) C062 MAIN board:
2) C062 PNL board:
3) C062 PSB\PSE board:
4) M-5 E10/5E60:
Printer Mechanism M-5E 10

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
the main control board; the CPU on this board controls all main functions.
the control panel board.
the power supply board.
the printer mechanism.
r 1
d -1 rlq
Figure 1-11. LQ-570/1070 Component Layout
(80-column)
Figure 1-12. C062 MAIN
Board (80-column and 136-column)
1-26
for easy removal and replacement
9
Mechanism M-5E60
Printer
(1 36-column)