Tektronix DD 501 Instruction Manual page 33

REPLACEABLE
ELECTRICAL PARTS
PARTS ORDERING INFORMATION
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
Officeor 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
XOOO
Part
first
added
at this serial
number
OOX
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
SEMICQNDUCTOR
ELCTLT ELECTROLYTIC
SENS
SENSITIVE
ELEC ELECTRICAL
VAR VARIABLE
INCAND
INCANDESCENT
WW
VYIREWOUND
LED
LIGHT EMITTJNG DIODE
XFMR
TRANSFORMER
NONWIR NON WIREWOUND XTAL
CRYSTAL