Model 211A Section V
Paragraphs 5-1 to 5-7
SECTION V
REPLACEABLE PARTS
5-1. INTRODUCTION. 5-4. ORDERING INFORMATION.
5-2. This section contains information for ordering 5-5. To order a replacement part, address order or
replacement parts. Table 5-1 lists parts in alpha- inquiry either your to authorized Hewlett-Packard
numerical order of their reference designators and sales representative or to
indicates the description and $3 stock number of each
CUSTOMER SERVICE
part, together with any applicable notes. Table 5-2
Hewlett-Packard Company
lists parts in alpha-numerical order of their '$3 stock
395 Page Mill Road
numbers and provides the following information on
Palo Alto, California,
each part:
or, in Western Europe, to
a. Description of the part (see list of abbreviations
below). Hewlett-Packard S. A.
Rue du Vieux Billard No. 1
b. Manufacturer of the part in a five-digit code; Geneva, Switzerland.
see list of manufacturers in appendix
5-6. Specify the following information for each part:
c. Typical manufacturer's stock number.
a. Model and complete serial number of instrument.
d. Total quantity used in the instrument (TQ column). b. Hewlett-Packard number. stock
c. Circuit reference designator.
e. Recommended spare part quantity for complete
maintenance during one year of isolated service (RS d. Description.
column).
5-7. To order a part not listed in table 5-1, give a
5-3. Miscellaneous parts not indexed in table 5-1 are complete description of the part and include its func-
listed at the end of table 5-2. tion and location.
REFERENCE DESIGNATORS
A = assembly F =fuse plug V = vacuum tube, neon
B = motor FL = filter transistor hlb, photocell, etc.
C = capacitor J = jack W = cable
resistor
CR = diode K = relay X = socket
thermistor
DL = delay line L = inductor XF = fuseholder
switch '
DS = device signaling (lamp) M = meter WS = lampholder
E = misc electronic part MP = mechanical part transformer Z = network
ABBREVIATIONS
a = amperes elect = electrolytic mtg = mounting rot = rotary
encap= encapsulated my = mylar rms = root- mean- square
bp = bandpass
rmo = rack mount only
bwo = backward wave
f = farads NC = normally closed
oscillator fxd =fixed Ne = neon S-b = slow-blow
Se = selenium
c = carbon NO = normally open
sect = section(s)
cer = ceramic Ge = germanium NPO = negative positive zero
Si = silicon
cmo = cabinet mount only grd = ground (ed) (zero temperature
sil = silver
coef = coefficient coefficient)
sl = slide
com = common h = henries nsr = not separately
comp = compsition Hg = mercury replaceable td = time delay
conn = connection Ti0 = titanium dioxide
2
crt = cathode-ray tube impg = impregnated obd = order by de-
incd = incandescent scription tog = toggle
d:p = deposited ins = insulation (ed) to1 = tolerance
= peak trim = trimmer
EIA = Tubes or transistors K = kilo = 1000 = printed circuit twt = travelingwavetube
meeting Electronic board
var = variable
Industries' Associa- lin = linear taper picofarads =
w/ = with
tion standards will log = logarithmic taper 10-12 farads
W = watts
normally result in PP peak- to- peak
ww = wirewound
instrument operating m =milli=10-~ piv peak inverse
w/o = without
within specifications; M = megohms voltage
tubes and transistors ma = milliamperes position(s) * = optimum value
selected best for p = micro = polystyrene selected at factory,
4 performance will be minat = miniature potentiometer average value
0)
A supplied if ordered mfgl = metal film on glass shown (part may
A
o by @stock numbers. mfr = manufacturer rect = rectifier be omitted) |