HP_6289A.p41-50

SECTION VIREPLACEABLE PARTS6-1 INTRODUCTIONTable 6-1.Reference Designators (Continued)6-2 This section contains information for orderingplugvacuum tubereplacement parts.Table 6-4 lists parts in alpha-Qtransistorneon bulb,numeric order by reference designators and providesR=resistorphotocell,etc.the following information:switchVRzener diodea.Reference Designators.Refer to Table 6-1.transformerXsocketb.Description.Refer to Table 6-2 for ab-TBterminal blockZintegrated cir-breviations.TSthermal switchcuit or networkc.Total Quantity (TQ).Given only the firsttime the part number is listed except in instrumentscontaining many sub-modular assemblies,in whichcase the TQ appears the first time the part numberis listed in each assembly.Table 6-2.Description Abbreviationsd.Manufacturer's Part Number or Type.e.Manufacturer's Federal Supply Code Num-Aamperemfrmanufacturerber.Refer to Table 6-3 for manufacturer's name andacalternatingmod.modular oraddress.currentmodifiedf.Hewlett-Packard Part Numberassy.assemblymtgmountingg.Recommended Spare Parts Quantity (RS)bdboard=nan0=10-9for complete maintenance of one instrument duringbktbracketNCnormally closedone year of isolated service.ocdegreeNOnormally openh.Parts not identified by a reference desig-CentigradeNPnickel-platednator are listed at the end of Table 6-4 under Me-cdcardn=ohmchanical and/or Miscellaneous.The former consistscoef coefficientobdorder byof parts belonging to and grouped by individual as-comp compositiondescriptionsemblies;the latter consists of all parts not im-CRTcathode-rayODoutsidemediately associated with an assembly.tubediameterCTcenter-tapped=p1c0=10-126-3 ORDERING INFORMATIONdcs direct currentP.C.printed circuitDPDT double pole,pot.potentiometer6-4 To order a replacement part,address order ordouble throwp-ppeak-to-peakinquiry to your local Hewlett-Packard sales officeDPST double pole,Ppmparts per(see lists at rear of this manual for addresses).single throwmillionSpecify the following information for each part:elect electrolyticpvrpeak reverseModel,complete serial number,and any Option orencap encapsulatedvoltagespecial modification numbers of the instrument;faradrectrectifierHewlett-Packard part number;circuit reference des-opdegreermsroot meanignator;and description.To order a part not listedFarenheitsquarein Table 6-4,give a complete description of thefxd=fixedSi=siliconpart,its function,and its location.GegermaniumSPDT single pole,HHenrydouble throwHzHertzSPST single pole,Table 6-1.Reference DesignatorsICintegratedsingle throwcircuitSSsmall signalassemblyEmiscellaneousIDinside diameter=slow-blow日=blower(fan】electronic partincnd incandescenttan.tantulumCcapacitorfusek=ki1o=103TititaniumCB=circuit breakerjack,jumperm=mi11i兰10-3=voltCRdiodeK三relayMmega 106varvariableDSdevice,signal-inductormicro =10-6WW=wirewounding (lamp)Mmetermet.metalWWatt6-1