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SECTION VI
REPLACEABLE PARTS
6-1
INTRODUCTION
Table 6-1.
Reference Designators (Continued)
6-2
This s e c t i o n c o n t a i n s information for ordering
replacement parts. Table 6-4 l i s t s parts in alpha-
numeric order by reference designators and provides
the following information:
a.
Reference Designators.
Refer t o Table 6-1.
b.
Description.
Refer t o Table 6-2 for ab-
breviations.
c.
Total Quantity (TQ). Given only the f i r s t
time the part number is l i s t e d e x c e p t in instruments
containing many sub-modular a s s e m b l i e s , in which
c a s e the TQ a p p e a r s the f i r s t time the part number
is l i s t e d in e a c h assembly.
d.
Manufacturer's Part Number o r Type.
e .
Manufacturer's Federal Supply Code Num-
ber.
Refer t o Table 6-3 for manufacturer's name and
address.
f.
Hewlett-Packard Part Number.
g.
Recommended Spare Parts Quantity (RS)
for complete maintenance of one instrument during
one year of i s o l a t e d service.
h.
Parts not identified b y a reference desig-
nator are l i s t e d a t the end of Table 6-4 under Me-
c h a n i c a l and/or Miscellaneous.
The former c o n s i s t s
of parts belonging t o and grouped by individual a s -
semblies; the latter c o n s i s t s of a l l parts not im-
mediately a s s o c i a t e d with a n assembly.
6-3
ORDERING INFORMATION
6-4
To order a replacement part, a d d r e s s order or
inquiry t o your l o c a l Hewlett-Packard s a l e s office
( s e e l i s t s a t rear of t h i s manual for a d d r e s s e s ) .
Specify the following information for e a c h part:
Model, complete s e r i a l number, a n d a n y Option o r
s p e c i a l modification
0)
numbers of the instrument;
Hewlett-Packard part number; circuit reference d e s -
ignator; and description.
To order a part not l i s t e d
in Table 6-4, give a complete description of the
part, i t s function, and i t s location.
Table 6-1.
Reference Designators
A
= a s s e m b l y
B
=
blower (fan)
C
= c a p a c i t o r
CB
= circuit breaker
CR
= diode
DS
= device, signal-
ing (lamp)
E
= miscellaneous
electronic part
F
=
f u s e
J
= jack, jumper
K
= r e l a y
L
=
inductor
M
= meter
P
= plug
Q
= transistor
R
= r e s i s t o r
S
= switch
T
=
transformer
TB
= terminal block
TS
= thermal switch
V
= vacuum tube,
neon bulb,
photocell, e t c .
V R
= Zener diode
X
= s o c k e t
Z
= integrated cir-
c u i t o r network
Table 6-2.
Description Abbreviations
A
=
ampere
a c
=
alternating
current
a s s y . = a s s e m b l y
bd
=
board
bkt
= bracket
OC
=
degree
Centigrade
c d
=
c a r d
coef
= coefficient
comp = composition
CRT
=
cathode-ray
tube
CT
=
center-tapped
d c
=
direct current
DPDT
=
double pole,
double throw
DPST = double pole,
single throw
e l e c t = electrolytic
e n c a p
=
e n c a p s u l a t e d
F
= farad
OF
=
degree
Farenhe i t
fxd
= f i x e d
Ge
= germanium
H
=
Henry
Hz
=
Hertz
IC
=
integrated
circuit
ID
=
i n s i d e diameter
incnd = i n c a n d e s c e n t
k
= kilo = 1 0 3
m
=
milli
=
10-3
M
= mega = 106
IL
=
micro
= l o - b
met.
=
metal
mfr
= manufacturer
mod. = modular or
modified
mtg
=
mounting
n
=
nano
=
10-9
NC
=
normally c l o s e d
NO
=
normally open
NP
= nickel-plated
n
=
ohm
obd
=
order by
description
OD
=
outside
diameter
P
= pic0
=
10-12
P. C.
=
printed circuit
pot.
=
potentiometer
p-p
=
peak-to-peak
ppm
=
parts per
million
pvr
= peak reverse
voltage
r e c t
= rectifier
rms
= r o o t m e a n
square
Si
=
silicon
SPDT
=
s i n g l e pole,
double throw
SPST = single pole,
single throw
SS
= small s i g n a l
T
= s l o w - b l o w
tan.
= tantulum
Ti
=
titanium
V
=
volt
var
=
variable
ww
=
wirewound
W
= Watt
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