Table of Contents
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Model 5501A
Replaceable Parts
SECTION V
REPLACEABLE PARTS
5-1.
INTRODUCTION
5-2. This section contains information for ordering replacement parts.Table 5-1 lists parts in alphanumeric
order of reference designations and provides the following information on each part:
a. Hewlett-Packard part number.
b. Description of part (see abbreviations below).
c.
Total quantity used in the instrument. (The total quantity appears after the first entry for a given
part.)
d. Typical manufacturer of the part in a five-digit code (see list of manufacturers in Table 5-2).
e.
Manufacturer's part number.
5-3. Miscellaneous parts are listed at the end of Table 5-1.
5-4.
ORDERING INFORMATION
5-5. To obtain replacement parts, address order to your local ~ewlett-Packard Sales and Service Office
listed at the back of this manual. Identify parts by their Hewlett-Packard part number.Toobtain a partthat is
not listed, include:
a.
Instrument model number.
b. Instrument serial number.
c. Description of the part.
d. Function and location of the part.
REFERENCE DESIGNATIONS
A
= assembly
E
= micellaneous electrical
MP
=
miscellaneous
TP
= test point
AT
=
attenuator; isolator;
pad
mechanical part
U
= integrated circuit:
termination
F
= fuse
P
= electrical connector
microcircuit
B
=
fan; motor
FL
= filter
(movable portion);
V
= electron tube
BT
=
battery
H
= hardware
Plug
V R
= voltage regulator;
C
=
capacitor
H Y
= circulator
0
= transistor; SCR; triode
breakdown diode
CP
=
coupler
J
= electrical connector
thyristor
W
= cable; transmission
CR
=
diode: diode thyristor;
(stationary portion):
R
=
resistor
path; wire
varactor
jack
RT
= thermistor
X
= socket
DC
= directional coupler
S
= switch
Y
= crystal unit-piezo-
DL
=
delay line
K
=
relay
T
= transformer
electrtc
DS
= annunciator; signaling
L
= coil: inductor
TB
=
terminal board
Z
= tuned cavity; tuned
device (audible or
M
=
meter
TC
=
thermocouple
circuit
visual): lamp; LED
ABBREVIATIONS
A
= ampere
BCD
= binary coded declmal
COMP
= composition
'K
= degree Kelvin
ac
= alternating current
BD
=
board
COMPL
= complete
DEPC
=
deposited carbon
ACCESS
= accessory
BE CU
=
beryllium copper
CONN
=
connector
DET
=
detector
ADJ
=
adjustment
BFO
= beat frequency
CP
= cadmium plate
diam
= diameter
AID
=
analog-to-digital
oscillator
CRT
= cathode-ray tube
DIA
= diameter (used in
AF
= audio frequency
BH
= binder head
CTL
= complementary Iran-
parts list)
AFC
= automatic frequency
BKDN
=
breakdown
sistor logic
DlFF
control
BP
=
bandpass
CW
= continuous wave
AMPL
= differential amplifier
AGC
= automatic gain control
BPF
= bandpass filter
cw
=
clockwise
div
= division
AL
= aluminum
BRS
= brass
DIA
= digital-to-analog
DPDT
= double-pole, double-
ALC
=
automatic level control
BWO
=
backward-wave
dB
= decibel
throw
AM
=
amplitude modulation
oscillator
dBm
= decibel referred to
DR
= drive
AMPL
=
ampltfler
C AL
=
calibrate
1 mW
DSB
= double sideband
APC
= automatic phase
ccw
=
counterclockwi~e
dc
=
direct current
DTL
= diode transistor logic
control
CER
=
ceramic
deg
=
degree (temperature
DVM
=
digital voltmeter
ASSY
= assembly
CHAN
= channel
interval or difference)
ECL
= emitter coupled logic
AUX
=
auxiliary
cm
=
centimeter
=
degree (plane angle)
EMF
= electromotive force
avg
= average
CMO
=
coaxial
"
C
=
degree Celsius
EDP
=
electronic data
AWG
=
american wire gauge
COEF
=
coefficient
(centrigrade)
processing
BAL
= balance
COM
=common
F
=
degree Fahrenheit
ELECT
= electrolytic
1
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