Replaceable Parts; Introduction; Ordering Information - HP BENCH Series Operating And Service Manual

SECTION VI
REPLACEABLE PARTS
6-1 INTRODUCTION
6-2 This section contains information for ordering
replacement parts.
6-3 Table 6-4 lists parts in alpha-numerical order
of the reference designators and provides the fol
lowing information:
a. Reference Designators. For abbreviations,
refer to Table 6-1.
b. Description. Refer to Table 6-2 for abbre
viations.
c. Total Quantity (TQ) used in the instru
ment; given only first time the part number is
listed.
d. Manufacturer's part number.
e. Manufacturer's code number. Refer to
Table 6-3 for manufacturer's name and address.
f. ($ Part Number.
g. Recommended spare parts quantity (RS)
for complete maintenance of one instrument during
one year of isolated service.
h. Parts not identified by a reference desig
nator are listed at the end of Table 6-4 under Mis
cellaneous.
6-4 ORDERING INFORMATION
6-5 To order a replacement part, address order or
inquiry to your local Hewlett-Packard sales office
(see lists at rear of this manual for addresses).
6-6 Specify the following information for each
part:
a. Model and complete serial number of
instrument.
b. Hewlett-Packard part number.
c. Circuit reference designator.
d. Description.
6-7 To order a part not listed in Table 6-4, give
a complete description of the part and include its
function and location.
Table 6-1. Reference Designators
A = assembly
CR = diode
B = motor
DS = device.
C = capacitor
signaling (lamp)
Table 6-1. Reference Designators (Continued)
E
misc. electronic
RT = thermistor
part
8
switch
F
=
fuse
T
transformer
J
=
jack
V vacuum tube.
K
=
relay
neon bulb.
L
=
inductor
photocell, eta
M
=
meter
X
socket
P
=
plug
XF = fuseholder
0
=
transistor
XDS =
lampholder
R
=
resistor
Z
network
Table 6-2. Description Abbreviations
a
=
amperes
obd
= order by descrip
c
=
carbon
tion
cer
=
ceramic
P
= peak
coef
=
coefficient
PC
= printed circuit
com
=
common
board
comp
=
composition
Pf
= picofarads =
conn
=
connection
10~12 farads
crt
=
cathode-ray
PP
= peak-to-peak
tube
PPm
= parts per million
dep
=
deposited
pos
= position(s)
elect
=
electrolytic
poly = polystyrene
encap
=
encapsulated
pot
= potentiometer
f
=
farads
prv
= peak reverse
fxd
=
fixed
voltage
GE
=
germanium
rect
= rectifier
grd
=
ground (ed)
rot
= rotary
h
=
henries
rms
= root-mean-square
Hg
=
mercury
s-b
= slow-blow
impg
=
impregnated
sect
= section(s)
ins
=
insulation (ed)
Si
= silicon
K
=
kilo = 1000
sil = silver
lin
=
linear taper
si
= slide
log
=
logarithmic
td
= time delay
taper
Ti02 = titanium dioxide
mA
=
milli = 10~3
tog
= toggle
M
=
megohms
tol = tolerance
ma
=
milliamperes
trim
= trimmer
P
=
micro = 10~6
twt
= traveling wave
mfr
=
manufacturer
tube
mtg
=
mounting
var
= variable
my
=
mylar w/
= with
NC
=
normally
W = watts
closed
w/o
= without
Ne
=
neon
cmo
= cabinet mount
NO
normally open
only
6-1