Tektronix 442, Instruction Manual

Page: 93 / 170

Section 6—442 Service
REPLACEABLE
ELECTRICAL PARTS
PARTS O RDERING IN FO R M A TIO N
Replacement parts are available from orthroughyourlocalTektronix, 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 A, JUL 1980
6-1