Model 122A/AR Section VI
Paragraphs 6-1 to 6-6
SECTION VI
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REPLACEABLE PARTS
6-1. INTRODUCTION. the nearest hp Sales/Service Office (see list of addres-
ses at rear of this manual) and supply the following
6-2. This section contains information for ordering
information:
replaceable parts for the Model 122A/AR. Table 6-1
lists reference designators and abbreviations that are a. The hp part number of item (s).
used in the Table 6-2 component descriptions. Table
b. Model number and eight-digit serialnumber of
6-2 lists the parts in alpha-numerical order of their
the instrument.
, reference designations and provides the following in-
formation for each item: c. Quantity of parts desired.
a. The hp part number. 6-6. To order apart not 1istedinTable 6-2, provide
the following information:
b. Total quantity (TQ) used in the instrument; given
only first time the part number is listed. a. Model number and eight-digit serialnumber of
the instrument.
c. Description of part (refer to Table 6-1).
b. Description of part including function and lo-
6-3. Parts not identified by a reference designation cation.
are listedat the endof Table 6-2, under miscellaneous.
Cabinet Model, 122A and Rack Model 122AR are pic- Note
tured in Figure 1-1.
Upon request, information will be sup-
plied to allow ordering applicable parts
6-4. ORDERING INFORMATION. from a manufacturer other than Hewlett-
6-5. To order replacement parts from the Hewlett- Packard. Contact the hp Sales/Service
PackardCompany, address the order or inquiry to Office for details.
Table 6- 1. Reference Designators and Abbreviations
REFERENCE DESIGNATORS
A = assembly E = misc electronic part MP = mechanical-part TB = terminal board
B = motor F = fuse P = Plug TP = test point
C = capacitor FL = filter 9 = transistor V = vacuum tube, neon
CP = coupling J = jack R = resistor bulb, photocell, etc
CR = diode K = relay RT = thermistor W = cable
DL = delay line L = inductor S = switch X = socket
DS = device signalicg (lamp) M = meter T = transformer Y = crystal
ABBREVIATIONS
A = amperes GE = germanium N/C normally closed RMO = rack mount only
A.F.C = automatic frequency control GL = glass NE neon RMS = root-mean-square
AMPL = amplifier GRD = ground(ed) NI PL nickel plate
N/O normally open S-B = slow-blow
B. F. 0. = beat frequency oscillator H henries NPO negative positive zero SCR = screw
BE CU = beryllium copper HEX hexagonal (zero temperature SE = selenium
BH = binder head HG mercury coefficient) SECT = section(s)
BP = bandpass HR hour(s) NRFR not recommended for SCMICON = semiconductor
BRS = brass hP Hewlett-Pacb field replacement SI = silicon
BWO = backward wave oscillator IF intermediate freq NSR not separately SIL = silver
IMPG impregnated replaceable SL = slide
ccw counter-clockwise INCD incandescent SPL = special
CER ceramic INCL include(s) OBD = order by description SST = stainless steel
CMO cabinet mount only INS insulation(ed) OH = oval head SR = split ring
COE F coefficient INT internal OX = oxide STL = steel
COM common
COMP composition K = kilo = 1000 P - peak TA = tantalum
CONN connector PC = printed circuit TD = time delay
CP cadmium plate LIN = linear taper PF = picofarads = TGL = toggle
CRT cathode-ray tube LK WASH = lock washer 10-12 farads TI = titanium
cw clockwise LOG = logarithmic taper PH BRZ = phosphor bronze TOL = tolerance
LPF = low pass filter PHL = Phillips TRIM = trimmer
DEPC = deposited carbon PN = peak inverse voltage TWT = traveling wave tube
DR = drive M = milli = 10-3 P/O = part of
MEG = meg= 106 POLY = polystyrene u = micro = 10-6
ELECT = electrolytic METFI .M = metal film PORC = porcelain
ENCAP = encapsulated MFR = manufacturer Pos = position(s) VAR = variable
EXT = external MINAT = miniature POT = potentiometer VDCW = dc working volts
MOM = momentary PP = peak-to-peak
F = farads MTG = mounting PT = point W/ = with
FH = flat head MY = "mylar" RECT = rectifier W = watts
FIL H = fillister head RF = radio frequency WW = wirewound
FXD = fixed N = nano (10-9) RH = round head W/O = without
00081-2 6- 1 |
ACEC
HEWLETT-PACKARD
