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1、.-*-. T.O.31R2-418-2 (FormerlyAN16-45-434) HANDBOOK SERVICE INSTRUCTIONS RADIORECEIVER MODELSP-600-JX-17 (HAMMARLUND) LATESTREVISEDPAGESSUPERSEDE THESAMEPAGESOFPREVIOUSDATE Insert revisedpagesintobasic publication. Destroysupersededpages. PUBLISHEDUNDERAUTHORITYOFTHESECRETARYOFTHEAIRFORCE _11-.-.,.-
2、*-:.-.! A,;fNunnsKlmmler,Inc.,Cincinnati,Ohl0,700,9-63-ftEPRINT 30JUNE1953 REVISED10SEPTEMBER1955 T.O. 31R2-4-18-2 Rep.oductionfornon-militaryuseoftheinformationorillustrationscontainedin thispub- licatlJnisnotpermittedwithoutspecificapprovaloftheissuing service (BuAerorUSAF). ThepolicyforuseofClass
3、ified PublicationsisestablishedfortheAirForce in AFR 205-1 andfortheNavyinNavyRegulations,Article1509. LIST OF REVISED PAGES ISSUED INSERT LATEST REVISED PAGES.DESTROY SUPERSEDED PAGES. NOTE:Theportionofthe text affected by the current revisionisindicated by a verticallinein theoutermarginsofthepage
4、. Page No. :5 *16 :17 *18 :22 :23 *24 :28 *29 *30 :31 :32 *33 :34 *35 :36 *37 *38 :48 *52 *58 :59 :60 *60A 64 *71 *75 Dateof LatestRevision 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955
5、10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 10September1955 1February1954 10September1955 10September1955 *Theasteriskindicatespagesrevi
6、sed,.addedordeletedbythe current revision. ADDITIONALCOPIESOFTHISPUBLICATIONMAYBEOBTAINEDASFOLLOWS, USAF A USAFACTIVITIES.-InaccordancewithTechnicalOrderNo.00-5-2. NAVYACTIVITIES.-Submirrequesttonearestsupplypointlistedbelow,usingformNavAer-140:NASD.Pbiladelphia,Pa. NAS,Alameda,Calif.;NAS,Jacksonvil
7、le,Fla.;NAS,Norfolk,Va.;NAS,SanDiego,Calif.;NAS,Seaule,Wash.;ASn: NSC,Guam. For listingofavailable materialanddetailsofdistributionseeNavalAeronauticsPublicationsIndexNavAer00-500. Revised10September1955 Section AN16-45-434 TABLEOFCONTENTS TableofContents Page IDESCRIPTIONANDLEADINGPARTICULARS._._.
8、. . . . . . .1 1-1.General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1-5.PurposeandLimitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1-8.LeadingParticulars. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1-19
9、.PertinentData. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1-32.OperatingandAdjustmentControls. . . . . . . . . . . . . . . . . . . .8 IITESTEQUIPMENTANDSPECIALTOOLS._. . . . . . . . . . . . . . . . .10 2-1.TestEquipment. . . . . . . . . . . . . . . . . . . . . . . . . . .
10、. . . . . . . . . . .10 2-3.SpecialTools10 2-5.CableFabrication10 IIIPREPARATIONFORUSEANDRESHIPMENT11 3-1.PreparationforUse11 3-3.SettingupReceiver11 3-8.Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 IVTHEORYOFOPERATION13 4-1.GeneralSystemOperatio
11、n13 4-4.ReceiverFunctionalOperation. . . . . . . . . . . . . . . . . . . . . . . . .16 4-14.SimplifiedCircuitTheory. . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 4-96.FunctionalOperationofMechanicalComponents38 VOPERATIONALANDORGANIZATIONALMAINTENANCE.39 5-1.General. . . . . . . . . . .
12、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 5-6.SystemTroubleAnalysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 5-12.Removal47 5-15.MinorRepairandReplacement. . . . . . .47 5-23.AlignmentandAdjustment_. . . . .49 5-27.Lubrication49 5-29.InspectionSchedul
13、e49 VIFIELDANDFASRONMAINTENANCE.52 6-1.MinimumPerformanceStandards. . . . . . . . . . . . . .52 6-3.Systems(Trouble)Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . .52 6-8.Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 6-15.CircuitBreak
14、dovvn .59 6-16.TubeSocketVoltageandResistanceCharts. . . . . . . . . .60 6-18.SupplyVoltageDiagram. . . . . . . . . . . . . . . . . . . . .63 6-21.AlignmentandAdjustments. . . . . . . . . . . . . . . . . . . . . . . . . . .63 6-23.Lubrication64 6-24.MaintenanceandInspectionSchedule . -. -. . . . . .
15、 . . . . . .65 6-38.OverhaulSchedule69 VIIDIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 INDEX.76 Section IAN16-45-434 ( ii Figure1-1.RadioReceiver,DiversityModelSP-600-JX-17RackMountings AN16-45-434 SECTION I DESCRIPTION AND LEADING PARTICULA
16、RS Section I Paragraphs1-1to1-7 1-1.GENERAL. 1-2.Theserviceinstructionsoutlinedhereinpertain totheRadioReceiver,DiversityModelSP-600-JX-17 rackmountings(figure1-1),manufacturedbythe HammarlundMfg.Co.Inc.,NewYork1,N.Y.The radioreceiver,designedformountinginastandard 19-inchrelayrack,consistsofa chass
17、isandlightgrey frontpanelassemblytowhicharemountedatopcover andabottomplate.Itis a 20-tuberadiocommuni- cations receiverwithsixfrequencybandsforthecon- tinuouslyvariable,selectivereceptionofanysignal withinthefrequencyrangeof0.54to54.0 mc.Ithas addedprovisionforthefixed-frequency crystal-con- trolle
18、dreceptionofanysignalwithinthefrequency rangeoftwoto30.0 mc. 1-3.Thereceiver isofthesuperheterodynetype.On thethreelowerfrequencybands(0.54to7.4 mc)the signaltunedinisheterodyneconvertedto455 kc.On thethreehigherfrequencybands(7.4to54.0mc)the signaltunedinisdoubleheterodyneconvertedto 455 kc,theinit
19、ialconversionfrequencyusedbeing 3,955 kc. 1-4.Thereceiver self-contained stabilizedpowersup- plyisdesignedtooperatefromasinglephase50-to 60-cycle, a-c source.Thepo.wertransformerprimary isprovidedwithtapscoveringalinevoltagerange from90to270 volts.Thereceiver isprotectedagainst overloadbyfusingthepo
20、wertransformerprimaryand secondaryplatewindings.Theprimaryandsecondary fuses usedarecontainedrespectivelyinthe1.6A SLOand3/8AFUSEholders(1and2, figure 1-3)ontherearapronofthereceiver. Aduplicate ofeachofthese fuses,comprisingthereceiverspare fusecomplementislocatedunderthepolystyrene SPAREFUSES cove
21、r (3),retainedbythecaptive screw (4).ThereceiverACPOWERconnector(5) providesforplugconnectingthea-clinesourceto thereceiver. Topreventdamage,maintainthefuse complement. 1-5.PURPOSEAND LIMITATIONS. 1-6.Thereceiverisdesignedforuseinfixedand/or mobileoperationssuch asareencounteredatenclosed base stati
22、ons,aboardship,orwhenairborne,even whensuch activities are subjectedtowiderangesin temperatureandhumidity.Thereceiver isadequately treatedwithfungicidalvarnishtoconditionitfor tropicaluse.Itsdesignandshieldingreduceits radia- tioncharacteristicstoa possibleminimum,thereby complyingwithshipboardregul
23、ationsandenabling thereceivertobeoperatedincloseproximitytoall otherstatione,quipment such as isencounteredin multi-receiver installations.Itissuitedtotwo-way operationalactivitiesandmaybedesensitizedinthe presenceofastronglocalcarrier,throughuseofthe SENDREGswitch(1, figure1-2)initsSEND position.Th
24、ereceiver issuitedespe;iallyforusein frequency-shiftspace diversityreceivingsystems.When properlyinterconnected,tworeceivers may,beoperated sothatonereceiver isheterodyneslaveconnectedto theother,oranexternallyconnectedmasteroscillator unitmaybeusedtoprovidetheheterodynesforboth receivers.Toprovidef
25、oracommon3.5.mccrystal- controlledheterodynebetweenreceivers,theIFO! connector(6, figure1-3)ofeachreceiver isinter- connectedandtheIFOEXTINTswitch(2, figure1-2)oftheslave receiver is settoEXT.Like- wise,forthefixed-frequency crystal-controlled hetero- dyne,theHFOOUTPUTconnector(figure5-4)of each isi
26、nterconnected,andtheHFOVAREXT XTALSI2 345 6switch(3, figure 1-2)oftheslave receiver is settoEXT.Likewise, forthebfoheterodyne,theBFOconnector(7,figure 1-3)ofeach isinterconnected,andtheBFO-AVC EXTBFOSLOWFASTINTBFOSLOW FASTswitch(4, figure1-2)oftheslave receiver is settooneofitsEXTBFOpositions. 1-7.T
27、hereceiver isdesignedtoprovidefortherecep- tionofamplitude-modulated,suppressedcarrier,keyed- carrier,andfrequency-shiftsignals.Forthereception ofradiotelephoneorlow-speed(manual)telegraph aheadsetispluggedinthePHONESjack(5, figure 1-2)containedinthefrontpanel,oraloudspeaker is connectedtotheAUDIOOU
28、TPUTterminals (8, figure1-3)ontherearapron.Forthereceptionof high-speed(automatic)telegraph,thereceiverdocout- putdevelopedbetweenthejumperedDIODEOUT- PUTterminals(9, figure1-3)andchassisground, maybeusedtooperateatapeinkrecorder,orthe receiver a-coutputdevelopedattheAUDIOOUT- 1 Section I Paragraphs
29、1-8to1-9 AN16-45-434 PUTterminals(8,figure1-3)maybeusedtooperate arecorderdrivingunitassociatedwiththetapeink recorder.Forthereceptionoffrequency-shiftteletype, thereceiver455-kc i-foutputdevelopedattheIF OUTPUTconnector(10,figure1-3)orthereceiver a-foutputdevelopedattheAUDIOOUTPUTter- minals(8,figu
30、re1-3)maybeusedtooperatesuitable frequency-shiftreceiverconverterequipmentassociated withateletypewriter.Forthereceptionofkeyed- carrier,singleortwo-tonecarrierteletype,thereceiver a-foutputdevelopedattheAUDIOOUTPUTter- minals(8,figure1-3)isusedtooperatesuitable demodulatorequipmentassociatedwithate
31、letype- writer. 1-8.LEADING PARTICULARS. 1-9.Thereceiverantennasystemusedisconnectedto theANTinputconnector(11,figure1-3).The receiverinputimpedanceisdesignedtomatcha 95-ohmcoaxialcableforoptimumcoupling.Astraight wireantennasystem,preferablyoftheBeverage(wave antenna)fishbonetype,isusedwiththerecei
32、ver. / 521 413 3 12 1.SENDRECswitch 2.IFOEXTINTswitch 3.HFOVAREXTXTALS 6switch 4.BFO-AVCEXTBFOSLOWFAST INTBFOSLOWFASTswitch 5.PHONESjack 6.BANDCHANGEcontrol 7.MEGACYCLESwindow 8.Maintuningdial 9.Vernierdial 10.TUNINGcontrol 11.TUNINGLOCK 12.Plasticchart 13.HFO/:,.FREQcontrol 14.RFGAINcontrol 15.AVCM
33、ANswitch 16.METERRFAFswitch 17.MODcwswitch 18.BEATOSCcontrol 19.SELECTIVITYswitch 20.XTALPHASINGcontrol 21.LIMITEROFFswitch 22. AUDIOGAINcontrol 2 figureJ-2.RadioReceiver, front PanelView AN16-45-434Section I 2 I P5 P8II1517 y. P6 P7 P2 16 12 14 lP-!-13 P4 1. 1.6A SLO FUSEholder 2. 3/sA FUSEholder 3
34、.SPAREFUSEScover 4. Captivescrew 5.ACPOWERconnector 6.IFOconnector 7.BFOconnector 8.AUDIOOUTPUTterminals 17. 9.DIODEOUTPUTAVCterminals 10.IFOUTPUTconnector 11.ANTinptconnector 12.REMOTEconnector 13.METERADRFcontrol 14.METERADAFcontrol 15.Allenwrench,No.6 16.Allenwrench,No.8 Allenwrench,No.10 figureJ
35、-3.Radio Receiver, RearViewofChassis 3 Section I Paragraphs1-10to1-16 AN16-45-434 1-10.Thereceiverrotaryturrethousesthefrequency determiningr-ftunersubassembliesforeachofthe sixfrequencybandsofthereceiver.Eachfrequency bandhasanantenna,twoidenticalinterstage,andan oscillatorr-ftunersubassembly.Throu
36、ghuseofthe BANDCHANGEcontrol(6, figure1-2)therotary turretisindentedtoselectthefrequencybanddesired. TheBANDCHANGEcontrol(6)knobisturned 360 degreestoindentanadjacentband.Itmaybe turnedandindentedineitherdirection.Theband indicatordialvisiblethroughtheMEGACYCLES window(7)indicatesthefrequencybandsel
37、ected. TheBANDCHANGEcontrol(6) also locatesthe dialfrequencyindicatorofthemaintuningdial(8) totheproperfrequencyscale Q. Z w u z z w : Q. : o o 5 10 15 20 - . 11I .- - - -. l.ol. - . ., i , . - I. 1001000 CYCLESPERSECOND Figure1-5.AudioandOverallFidelity Curves 10,000 7 - Section IAN16-45-434 Paragr
38、aphs1-29to1-43 1-32.OPERATING AND ADJUSTMENT CONTROLS. 1-29.AUTOMATICVOLUMECONTROL.Thea-v-c actionmaintainsthereceiveroutputconstantwithin 14dbwhentheinputis increasedfromtwoto200,000 microvolts. 1-31.TEMPERATUREANDHUMIDITY.Theper- missableambienttemperatureofthereceivermay rangefrom0C (32F)to60C(14
39、0F),atarelative humidityashighas 95percent. 1-35.MODCW.TheMODcwswitch(17, figure1-2)initscwpositionswitchesonthe bfoofthereceiver.TheMODpositionoftheswitch isusedform-c-wreceptionandthecwposition oftheswitchis usedforsuppressedcarrierandkeyed- carrierreception;alsoforfrequency-shiftreception whenthe
40、receiveraudiooutputisrequiredforthe frequency-shiftconverter,orwhentheaudiooutputis toprovidemonitoringsignaltothereceiverheadset used. TABLE1-4.IMAGE REJECTION RATIOS1-36.BANDCHANGE.TheBANDCHANGE control(6, figure1-2)providesforchoosingandin- dentingthefrequencybandofthereceiverwithinthe frequencyr
41、angeofwhichisthesignalfrequencyto betunedin. 1-37.TUNING.TheTUNINGcontrol(10, fig- ure1-2)is usedtotuneinthesignaltoresonance. 1-38.TUNINGLOCK.TheTUNINGLOCK (11, figure1-2)is usedtolockthetuningmechanism atthetuningsettingchosen. 1-39.IFOEXTINT.TheIFOEXTINT switch(2, figure1-2)providesa choice astot
42、heINT (internal)35-mcdoubleconversioncrystal-controlled heterodyneoscillatorofthereceiverorthatexternally connectedtotheIFOconnector(6, figure1-3).When theswitchis settoitsEXT(external)position,the receiveroscillatorisinoperative. 1-40.BFO-AVCEXTBFaSLOWFAST INTBFaSLOWFAST.TheBFO-AVC EXTBFaSLOWFASTIN
43、TBFaSLOW FASTswitch(4, figure1-2),is associatedseparately bothwiththeb-foanda-v-ccircuitryofthereceiver. Whenitis settoeitherofitsINTBFaSLOW orFASTpositions,itprovidesfortheuseofthe internalbfoofthereceiver.Whenitissettoeither ofitsEXTBFa,SLOWorFASTpositions,it providesforthereceiver useoftheexterna
44、lbfocon- nectedtotheBFaconnector(7, figure1-3).The separateswitcharrangementissuchthatwhetherthe switchisswitchedforuseoftheinternalorexternally connectedbfo,thea-v-ctimeconstantprovidedthe receivermaybechosenasSLOWorFAST.Either SLOWpositionoftheswitchprovidesforincreas- ingtheavctimeconstantsubstan
45、tiallyoverthatpro- videdforeitherFASTposition.Inchoosingthe switchpositiondesired, firstdeterminewhetherthe internaloranexternalbfoistobeusedandthen choose asloworfast a-v-ctimeconstant,asoutlined inparagraph1-17. 1-41.SELECTIVITY.TheSELECTIVITYswitch (19, figure1-2)provideschoice astothreeknobdial
46、XTAL(crystal)andthreeNON-XTAL(non- crystal)positionsofreceiver selectivity.Thesix posi- tionsprovideselectivity stepsrangingfromaSHARP toaBROADknobdialindication.TheXTAL switchpositionsprovidesixdecibelbandwidthsof 0.2,05,and1.3 kc,andtheNON-XTALswitch positionsprovidesixdecibalbandwidthsof3.0, 8.0,
47、 and13.0 kc. 1-42.XTALPHASING.TheXTALPHASING control(20, figure1-2)is usedtohighlyattenuate heterodyneinterferencecloselyadjacenttothedesired signal.ItprovidesthisfunctiononlywhentheSE- LECTIVITYswitch(19) isinoneofitsthreeXTAL knobdialpositions. 1-43.BEATOSC,TheBEATOSCcontrol(18, figure1-2)is usedt
48、oprovidereceiversingle-toneout- putandtwo-toneoutput,respectively,forthereception IMAGE REJECTION RATIO BANDNO.FREQUENCY VOLTAGE RATIODB 11.35mc60,00095 23.40mc10,00080 37.40mc4,00072 41450mc300,000109 529.50mc50,00094 654.00mc5,00074 1-30.LINESUPPLYREQUIREMENTS.Ana-c, single-phase, 50-to60-cyclepow
49、ersourcewithinthe voltagerangeof90to270 volts isrequiredtoprovide inputpowertothereceiver.Thereceiverpowertrans- former95, 105, 117, 130,190,210,234,or260primary voltagetapused isthatwhosevoltageratingmost closely agreeswiththatoftheavailable a-c source. Forana-clinevoltageof117 volts,thereceivercurrent drainis 1.2
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