PREFACEThis manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of LQ-300. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE INTRODUCTION OF SECOND-SOURCE Ics OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.
#Epson lx 300 ii service manual serial
MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNITTOA POWER SOURCE UNTIL INSTRUCTED TO DO SO. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNTAMILIARWITH BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK. ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURE.
Theprecautionary measures itemized below should alwaysbe observed when performin grepair/ maintenance procedures.ĭANGER1. Great caution should be exercised in performing procedures preceded by DANGER Headings.WARNING Signals a precaution which, if ignored, could result in darnage to equipment. PRECAUTIONSPrecautionary notations throughout the text are categorized relative to 1) personal injury and 2) damage to equipment.DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. General Notice: Other product names used herein are foridentication purposes only and maybe trademarks of their respective carnpanies.Ĭopyright 1994 by SEIKO EPSON CORPORATION Nagano, Japan The above notwithstanding SEIKO EPSON can manual or the consequence thereof.assume noĮpson is registered trademark of Seiko Epson Corporation. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them. Alleffortshavebeen made toensuretheaccuracy of thecontentsofthis manual.
The contents of this manual are subjects to change without notice. Reproduction of any part of this manual in any form whatsoever without SEIKO EPSONs express written permission is forbidden.