Epson LQ-510 - Integrated Circuits Within the; SAMA Board Main Components

REV.-A
APPENDIX
This appendix provides detailed information about the integrated circuits, signal functions, capabilities, and
other aspects of the components of the LQ-510 printer.
A.1 INTEGRATED CIRCUITS WITHIN THE LQ-510
This section describes the integrated circuits in the LQ-510.
A.1.1 SAMA BOARD MAIN COMPONENTS
Table A-l shows SAMA board ICs.
Table A-1. SAMA Board ICs
Location Name of IC
5B
µPD7810HG
7A E01A05
1A
E05A02
5A
HM65256BLSP
2B SLA7020M
4B S-2940I
6B
TL431CLPB
3B 74LS06
8A, 8B 74LS07
2A 74LS38
7B 74LS152
Type
15 MHz CPU
PSRAM 32 K x 8 bit
Stepper motor driver
EEPROM
Adjustable precision shunt regulator
Hex. OC inverters
Hex. OC buffers
Quad 2-in NAND buffers
lo-step real cord
LQ-510 A-1