Tektronix 221, Инструкция по эксплуатации

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Section 8—221 Service
REPLACEABLE
ELECTRICAL PARTS
PARTS ORDERING IN FO RM A TIO N
Replacement parts are available from or through your local Tektronix, Inc. Field Office
or representative.
Changes to Tektronix instruments are sometimes made to accommodate improved
components as they become available, and to give you the benefit of the latest circuit
improvements developed in our engineering department. It is therefore important, when
ordering parts, to include the following information in your order: Part number, instrument
type or number, serial number, and modification number if applicable.
if a part you have ordered has been replaced with a new or improved part, your local
Tektronix, Inc. Field Office or representative will contact you concerning any change in part
number.
Change information, if any, is located at the rear of this manual.
SPECIAL NOTES AND SYMBOLS
X000 Part first added at this serial number
00X Part removed after this serial number
ITEM NAME
In the Parts List, an Item Name is separated from the description by a colon (:).
Because of space limitations, an Item Name may sometimes appear as incomplete. For
further Item Name identification, the U.S. Federal Cataloging Handbook H6-1 can be
utilized where possible.
ABBREVIATIONS
ACTR ACTUATOR PLSTC PLASTIC
ASSY ASSEMBLY QTZ QUARTZ
CAP CAPACITOR RECP RECEPTACLE
CER CERAMIC RES RESISTOR
CKT CIRCUIT RF RADIO FREQUENCY
COMP COMPOSITION SEL
SELECTED
CONN CONNECTOR SEMICOND SEMICONDUCTOR
ELCTLT ELECTROLYTIC SENS SENSITIVE
ELEC ELECTRICAL VAR VARIABLE
INCAND INCANDESCENT WW WIREWOUND
LED LIGHT EMITTING DIODE XFMR TRANSFORMER
NONWIR NON WIREWOUND XTAL CRYSTAL
REV C, FEB 1979
8-1