Epson B81306 series Manuale di servizio - Pagina 3

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Precautionary notations throughout the text are categorized relative to 1) personal injury and 2)
damage to equipment.
Signals a precaution which, if ignored, could result in serious or fatal personal injury.
DANGER
Great caution should be exercised in perfo rming procedures preceded by DANGER
Headings.
WARNING Signals a precaution which, if ignored, could result in damage to equipment.
The precautionary measures itemized below should always be observed when performin g repair/
maintenance procedures.
1.
ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND
NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH
2.
BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN
THEIR LINE OF WORK.
WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT
3.
CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN
THE POWER SUPPLY CABLE MUST BE CONNECTED, USE E XTREME CAUTION IN
WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS.
REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CER-
1.
MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLT-
2.
AGE, LISTED ON T'HE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT
HAS A P RIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO
NOT CONNECT IT TO THE POWER SOURCE.
ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM
3.
THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT
BOARDS AND/OR INDIVIDUAL CHIPS.
IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE
4.
STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS, WHEN
ACCESSING INTERNAL COMPONENTS.
REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY
5.
THE MANUFACTURE; INTRODUCTION OF SECOND-SOURCE ICSOROTHER NONAP-
PROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICA-
BLE EPSON WARRANTY.
PRECAUTIONS
DANGER
WARNING