Model
18X Replaceable
Parts
SECTION VI
REPLACEABLE
PARTS
6-1.
INTRODUCTION.
6-2.
This
section contains
information for ordering
replacement parts. The abbreviations used in the
parts list
are described in table
6-1.
Table
6-2
lists
the parts
in alphanumeric order by reference des-
ignator and includes the
manufacturer
and manu-
facturer's part number. Table
6-3
contains the list
of
manufacturers' codes.
6-3.
ORDERING
INFORMATION.
6-4.
To obtain
replacement parts from Hewlett-Pack-
ard,
address order or inquiry to the nearest
Hewlett-
Packard Salcs/Scrvicc Office and supply
the follow-
ing information:
a. Instrument model and serial number.
b. HP part number
of items(s).
c.
Quanity
of part(s)
desired.
d. Reference
designator of
part<s).
6-5.
To order
a part
not
listed in
the table,
provide
the following
information:
a. Instrument
model and
serial number.
b. Description
of the
part, including
function
and location
in the instrument.
c. Quanity
desired.
Table
6-1.
Abbreviations for
Replaceable Parts List
A
ampare(s)
ASSY
•
sssemblv
BO
«
boardU)
BH
-
binder head
BP
”
bandpau
C
•
cent! no'*)
CAR
-
carbon
ccw
“
counterclockwise
CER
“
ceramic
CMO
“
cabinet mount only
COAX
“
coaxial
COEF
-
coefficient
COMP =
composition
CONN
=
eonnector(s)
CRT
“
cathode-ray tube
CW
“
clockwise
O
«
deci
HO*')
OEPC
-
deposited cerbon
OP double pole
DT
*
double
throw
ELECT
“
electrolytic
ENCAP
“
encapsulated
EXT
=
external
F
“
farad(s)
FET
>
field-effect
trensistor(s)
FH
-
flat head
PIL H
“
fillister head
FXO
-
fixed
G
«
giga
(10*)
GE “ germanium
CL
“
glass
GnO * ground(ed)
H h*nrv(i««)
HC
-
mercury
HP
*
Hewlett-Packard
H2
•
Kerti
IE
•
intarmadlata fraq.
IMPC
-
impfo^nated
INCD
»
Incandescent
INCL
•
Ineluda(s)
INS
-
insulation(ed)
INT
«
internal
K
=
kilo
( 10
®)
KG
-
kilogram
LB
•
peund(s)
LH
=
left hand
LIN
•
linear taper
LOG
-
logarithmic
taper
LPF
low-pass
fllier(s)
LVR
=
lever
-3
M
“
mini (10
,)
MEG
•
mega
(10
)
MET
FILM
-
metal film
MET OX
“
metal oxide
MFR
*
manufacturer
MINAT
“
miniature
MOM
~
momentary
MTG
•
mourkting
MY
*
mylar
N
•
nano
<10
)
N/C
normally closed
NE
neon
N/O
=
normally open
NPO
nagativ*
potitiva
tero (zero
temper-
ature
coefficient)
NPN
•
nogatlve-pesltiva-
negative
NSR
-
not
aeparataly
replaceable
OBD
•
ordar
by
daacription
OH
-
oval bead
OX
*
oxide
P -
peak
PC
=
printed
(etebed)
circuit(c)
PF -
picofarad*
PHL
*
Phillipj
PIV
=
peak inverse
voitagais)
PNP
—
POsitive-nagativa-
positive
P/O •
part
of
PORC
*
porcelain
POS -
po*ltlon(»)
POT
potantiomatar(s)
P-P
-
paak-to-paak
PRGM
“
program
PS
•
polystyrene
PWV =
peak working
voltage
RECT
-
rectifler(s)
RF
radio
frequtney
RFI
*
radio
fraouancy
BH
round
haad
or
right hand
RMO »
rack
mount
only
RMS
-
root
mean
square
RWV
a
reverse
working
voltage
S-B =
slow-blow
SCR =
silicon
controlled
rectifier
SE -
selenium
sec
“second(s)
SECT e
sactlon(s)
SI
-silicon
SIL
a
silver
S
L
-
slide
5P
“tingle pole
SPL -
special
ST =
single
throw
STO
a
standard
TA
TD
TFL
TOL
THYH
Tl
TNLDIO
TOL
TRIM
=
tantalum
“
time delay
-
teflon
-
toggle
=
thyristor
-
titanium
-
tunnel d)ode(s)
“
tolerance
=
trimmer
U =
micro
Mo”*)
V -
volts
VAR
“variable
VDCW
“
dc
working volt(s)
W
» watt(t)
W/ -
with
WIV -
working
inverse
voltage
W/O
=
without
WW =
wirewound
6-1
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