Advertisement
4.I.
INTRODUCTION.
4-2.
This
section contains information
for
ordering
replacement
parts.
Table 4-1
lists
parts in
alpha-
numerical order
of their
reference designators
and
indicates the descriptionand
HP
stocknumberof
each
part,
together
with
any applicable
notes.
Table
4-2
lists
parts in alpha-numerical order
of
their
Hp stock
number and provides
the following
information
on
each
part;
a.
Description of
the
part
(see
list
of
abbreviations
below).
b. Typical
manufacfurer
of
the
part in
a
five-digit
code; see
list
of manufacfurers in Table
4-3.
c.
Manufacturer,s part number.
d.
Total quantity
used
in
the
instrument (Te column).
4-3.
Miscellaneous
parts are listed at
the
end
of
Table 4-1.
4.4.
ORDERING INFOR'UIATION.
4-5.
To
obtain replacement parts, address order or
inquiry
to
your local
Hewlett-Packard
Field
Office
(see
lists at
rear of
this
manual
for
addresses).
Identify parts
by
their Hewlett-Packard
stock
numbers.
4-6.
To
obtain
a
part that
is
not listed,
include:
a.
Instrument model number.
b.
Instrument
serial
number.
c.
Description of the part.
d.
Function
and
location of the part.
Model 5245L
=
assembly
=
motor
=
battery
=
capacitor
=
coupler
=
diode
=
delay
line
=
device
signaling
(lamp)
A
=
amperes
A.F.C.
=
automatic frequency
control
AMPL =
amplifier
B.
F.
O.
=
beat frequency
oscillator
BE
CU
=
beryllium
copper
BH
=
binder
head
BP
=
bandpass
BRS =
brass
BWO =
backward wave
oscillator
SECTION IY
REPTACEABLE PARTS
Section
VI
Paragraphs
4-1
to
4-6
=
ve.cullrnr
tube,
neon
bulb,
photocell,
etc.
=
voltage
regulator
=
cable
=
socket
=
crystal
v
VR
w
x
Y
A
.B \-
BT
c
CP
CR
DL
DS
counter
-clockwise
ceramic
cabinet mount only
coefficient
common
composition
complete
connector
cadmium plate
cathode-ray
tube
clockwise
deposlted carbon
drive
electrolytic
encapsulated
external
farads
flat
head
fillister
head
fixed
germanium
glass
ground(ed)
H
=
henries
HEX
=
hexagonal
HG
=
m€rcury
HR
=
hour(s)
IF
=
intermediate freq
IMPG
=
impregnated
INCD
=
incandescent
INCL
=
include(s)
INS
=
insulation(ed)
INT
=
internal
K
=
kilo=1000
LH
=
left
hand
LIN
=
linear taper
LK
WASH
=
lock
washer
LOG
=
logarithmic taper
LPF
=
low pass
filter
M
=
milli=10-3
MEc
=
msg=196
MET
FLM
=
metal
fllm
MET
OX =
metalllc
oxide
MFR
=
manufacturer
MINAT =
miniature
MOM
=
momentary
MTG
=
mounting
MY
=
t'mylart'
plug
transistor
resistor
thermistor
switch
transformer
terminal
board
test
point
negative
-positive-
negative
not
recommended
for
field
replacement
not separately
replaceable
order
by
description
oval
head
oxide
peak
printed
circuit
picofarads
=
10
farads
phosphor bronze
Phillips
peak
inverse
voltage
positive -negative
-
posltive
part
of
polystyrene
porcelain
position(s)
potentlometer
peak-to-peak
point
peak
working
voltage
rectifier
radio
frequency
round
head
or
right
hand
rack
mount only
RMS
=
root-mean
square
RWV
:
reverse
worklng
voltage
S-B
=
slow-blow
SCR
=
screw
SE
=
gelenium
SECT
=
section(s)
SEMICON
=
semiconductor
SI
=
silicon
SIL
=
silver
SL
=
slide
SPC
=
spring
SPL
=
special
SST
=
gtainless steel
SR
=
split
ring
STL
=
steel
TA
=
tantalum
TD
=
time
delay
TGL
=
toggle
THD
=
thread
TI
=
titanium
TOL
=
tolerance
TRIM
=
trimmer
TWT
=
traveling
wave tube
REFERENCE
DESIGNATORS
E
=
misc electronic
part
P
F
=fuse
a
FL
= filter
R
J
= jack
RT
K
= relay
S
L
= inductor
T
M
= meter
TB
MP
=
mechanical
part
TP
ABBREVIATIONS
NPN
NRFR
NSR
OBD
OH
ox
ccw
CER
cMo
COEF
coM
COMP
COMPL
CONN
CP
CRT
cw
DEPC
DR
ELECT
ENCAP
EXT
F
FH
FIL
H
FXD
N
N/C
NE
NI
PL
N/o
NPO
P
PC
PF
PH BRZ
PHL
PIV
PNP
P/o
POLY
PORC
POS
POT
PP
PT
PWV
RECT
RF
RH
l(lvr\J
U
VAR
vDcw
w/
w
wTv
ww
w/o
GE
\v
GL
GRD
nano (10-91
normally
closed
neon
nickel
plate
normally
open
negauve
positive
zero
(zero
temperature
coeiftcient)
mlcro =
10-6
variable
dc
working volts
with
watts
working
lnverse
voltage
wlrewound
without
01 194 - 12
02349-1
4-L
Advertisement
