AN-GRC-106A_serv2_TM11-5820-520-35_1966.pdf

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1、 1M11-5820-520-35 DEPARTMENTOFTHEARMYTECHNICALMANUAL 1 , 000337 j- DIRECTSUPPORT, GENERALSUPPORTAND DEPOTMAINTENANCEMANUAL RADIOSET AN/GRC-l06 This copyisa reprint which includescurrent pagesfromChangesNo.1and2. HEADQUA RTER5,DEPARTMEN T0 FTHEARM Y I AUGUST1966 WARNING DANGEROUSVOLTAGESEXISTINTHISEQ

2、UIPMENT Voltagesashighas128 volts ac, 3,000 volts dc,and10,000 voltsrfare used intheoperationofAmplifier, Radio Frequency AN-3349/GRC-I06. DANGEROUS VOLTAGESEXISTATTHEAM-3349/GRC-l06 SO-OHMLINEANDWHIP ANTENNA CONNECTORS. Be careful when workingaroundtheantennaorantennaconnectors. Radio frequency vol

3、tagesashighas10,000 voltsexistatthese points. Operatorandmaintenance personnel shouldbefamiliarwiththerequire- mentsofTBSIG291 beforeattemptinginstallation, maintenance,orop- erationofRadioSetAN/GRC-I06. DEATHONCONTACT Mayresultifoperatingpersonnel fail toobservesafetyprecautionsand follow requireme

4、nts of TB SIG291. DONTTAKECHANCES! CAUTION Before connecting power leadstothepower source,turnReceiver- Transmitter,RadioRT-662/GRCSERVICESELECTORswitchand Amplifier, Radio FrequencyAM-3349/GRG-I06PRIM. PWR.switchto OFF.Makesurethatpropelpolarityof power connections is observed. Transistorsinthisequ

5、ipmentwillbedamagedifpower connectorsare reversed. ., CHANGE NO.2 1M11-5820-520-35 C2 HEADQUARTERS DEPARTMENTOFTHEARMY WASHINGTON,D.C.,28February1969 Direct Support, General Support,andDepot Maintenance Manual llADIOSETAN/GRC-l06 TM 11-5820-520-35, 22August1966,ischangedasfollows: 1.Thischange refle

6、cts modificationsincorporatedbyMWO11-5820-520-35-40/1andMWO11-5820- 520-40/2,toadd technicalinformation,andtocorrecterrors. 2.Remove andinsertpagesas indicated below. Rem01le- 1-3through1-8_ 1-15 through 1-20_ 1-23 through 1-26_ 1-35 and 1-36_ 1-39 through 1-42_ 1-51 and 1-52_ 1-55 through 1-60_ 1-6

7、5 through 1-78_ 2-1through2-4_ 2-9and2-10_ 2-41through2-54_ 2-57through2-60_ 2-71and2-72_ 3-1through3-8_ 8-11through3-16_ 4-3through4-10_ 4-15and4-16_ 4_27and4-28_ 3.FilethisChangesheetinthefrontofthemanual. ByOrderoftheSecretaryoftheAnny; Official: lcwf,- 1-3through1-8 1-15Ulrough1-20 1-23through1-

8、26 1-35and1-36 1-39through1-42 1-51and1-52 1-55through1-60 1-65through1-78 2-1through2-4 2-9through2-10.4 2-41through2-54 2-67through2-60 2-71and2-72 2-78.1through2-78.6 3-1,3-2,and3-3through3-4.4 and3-5Ulrough.2 3-11,3-12and3-12.1 3-18and3-14 3-15and8-16 4-3Ulrough 4-10.5 4-15and4-16 4-27through4-2

9、9 W.C.WESTMORELAND, General, United StatesArmy, CkwlQIStalf. KENNETHG.WICKHAM, Major General, United StatesArmy, TheAdjutantGene-I-al. Distribution:Tobedistributedinaccordancewith DAForm12-51(qtyrqrblock no. 179)directandgeneralsup- -portmaintenancerequirements(IftheAN/GRG-106radio set. CHANGE) No.J

10、 TM11-5820-520-35 C 1 HEADQUARTERS DEPARTMENTOFTHEARMY WASHINGTON,D.C.,19September 1967 Direct Support, General Support, and Depot Maintenance Manual RADIOSETANjGRC-l06 TM11-5820-520-35,22August1966, isCIHlngedas follows: 1.InformationcoveringtbeapplicationofSimulator,RadioFrequencySM-442A/GRCtoRadi

11、o SetAN/GRC-I06isaddedtothismanual. 2.Addchapter5afterchapter4. 3.Retainthissheetinfrontofmanualfor reference purposes. C 1,TM11-5820-520-35 ByOrderoftheSecretaryoft.heArmy: Official: KE1,rNETHG.WICKHAM, Majo?General, United StatesArmy, The Adjuta11t General. HAROLDK.JOHNSON, General, UnitedStatesAr

12、my, Olde!ofStaff. SAAD(30) TOAD(14) LEAD(7) SHAD(3) NAAD(5) SVAD(5) CHAD(3) ATAD(10) GENDEPS(2) Sig SecCENDEPS(5) SigDep(12) SigFLDMS(2) AMS(1) USAERDAA(2) USAERDAW (13) USACRREL(2) USAEPG(5) USASETAF(5) Units organizedunderfollowing TOEs(2copies each): 11-57 11-97 11-98 11-117 11-127 11-155 11-157

13、11-158 11-500(AA-AC) 11-587 11-592 11-597 Distribution: ActiveArmy: USASA (2)EighthUSArmy(5) CNGB(I)USARJ(5) OCG-E(7)Corps(2) Dir ofTrans(1)USAC(3) CofEngrs(1)Sve Colleges(2) TSG(1)USASCS(20) CofSptS(I)USASESS(5) USAARENBD(2)USAADS(5) USACDCEA(1)USAAiHS(5) USACDCCBRA(I)USAARMS(2) USACDCCEA(I)USAIS(5

14、) USACDCCEA:USAES(5) FtHuachtlcu(1)jIFSS(5) USACDCOA(1)USAAVNS(5) USACDCQMA(1)USASATngCenunit-s-8ameASilCti,eArmyexceptallolnmceis one (1)copyperunit. USAR:None. Forexplanation ofabbredationsused,seeAR320-50. Q TECHNICALMANUAL No.11-5820-520-35 *TM11-5820-520-35 HEADQUARTERS DEPARTMENTOFTHEARMY WASH

15、INGTON,D.C.,22August1966 DIRECTSUPPORT,GENERALSUPPORT,AND DEPOTMAINTENANCEMANUAL RADIOSETAN/GRC-106 P8.ral!hPage CHAPTER Section 1.FUNCTIONALANALYSIS I.General Scope_ Indexofpublications_ II.BlockdiagramfunctionalanalysisofReceiver-Transmitter,Radio RT.f:l62;GRC _ Transmitoperation,functionaldescrip

16、tion_ Receiveoperation,functionaldescription._ Ill.TransmitfuncHonalcircuitanalysisofReceiver-Transmitter,RadioRT-662j GRC General_ TransmitterIFandaudio modulelAS_ TranslatormodulelA8(transmit)_ RiamplifiermodulelA12(transmit)_ IV.Receivefunctionalcircuitar:alysisofReceiver-Transmitter,RadioRT-662j

17、 GRC General_ RfamplifierlA12(receive)_ Translatormodule1A8(receive)_ ReceiverIFmodule 1A7_ Reeeiver audio modulelAI0_ V.Frequencysynthesisfunctionalcircuitanalysis(IfReceiver-Transmitter, RadioRT-662/GRC General_ Frequencystandardmodule 1A3_ FrequencydividersmoduleIA6_ 10-andl-kcsynthesizermodule 1

18、A4_ McsynthesizermodulelA9_ lOO-kcsynthesizermodule 1A2_ Frequencyscheme- Errorcancellation._ VI.PowerandoperationalcontrolfunctionalcircuitanalysisfurReceiver- Transmitter,RadioRT-662jGRC Dc-to-dcconverterandlegulator moduleIAll_ FrontpanelandchassisassemblylAl_ VII.Blockdiagramfunctionalanalysisof

19、Amplifier,Radi(lFrequencyAM-3349/ GRG-10G Transmitoperation,functionaldescription_ Receiveoperation,functionaldescription._ VIII.MainsignalflowfunctionalcircuitanalysisofAmplifier,RadioFrequency AM-3349/GRC-106 General_ Driveramplifier2A8Vl_ Poweramplifier2AIAIVland2AIAIV2_ AntennaCQuplerassembly2A3

20、_ 1-11-1 1-21-1 1-S1-1 1-41-4 1-51-7 1-61-7 1-71-15 1-81-17 1-91-18 1-101-18 1-111-18 1-121-20 1-131-25 1-141-23 1-151-28 1-161-S0 1-171-S5 1-181-S7 1-191-40 1-201-4. 1-211-4. 1-221-49 1-231-50 1-241-56 1-251-56 1-261-58 1-271-58 1-281-59 1-291-61 -ThismanualsupersedesallofTM 11-582Q-520-35,31August

21、1964,includingC 1,23November1965. TM11-5820-520-35 IX.PowercontrolandprotectionfunctionalcircuitanalysisforAmplifier, RadioFrequencyAM-3349/GRG-I06 General-_ Dc-m-acinverterassembly2A6A1_ Dc-to-dcconverterassembly(partof2A5)_ Over-currentprotectioncircuit_ Undervoltageprotectioncircuit_ X.OperatNnal

22、controlfunctionalcircuitanalysisofAmplifier,RadioFrequency AM-3349/GRG-106 Gneral_ Tunediscrimator2A4Al(meter2A6M2)_ Loaddiscriminator2A4A2_ Operateautomaticlevel controlsignalgeneration_ Tuneautomaticlevelcontrolsignalgeneration_ Tuningofantennacouplerassembly2A3_ Testmeter2A6M1- XI.Functionaldescr

23、iptionofinterunitcircuitdetails General_ Levelcontrolsignalcircuits_ Powercontrolcircuits_ Keyingcircuits_ Tuningcircuits_ CHAPTER2.DIRECTSUPPORTTROUBLESHOOTING SectionI.Generaltroubleshootingtechniques Generalinstructions- Organizationoftroubleshootingprocedures_ Testequipmentrequired_ II.Troublesh

24、ootingReceiver-Transmitter,RadiI)RT-662/GRC TestSetup_ Localizingtroubles._ III.Troubleshooting,Amplifier,RadioFrequencyAM-3349/GRG-I06 TestSetup_ Localizingtroubles_ Voltageandresistancemeasurements_ Turrentassembly 2A2filterandstatorassembly2A9capacitorprogramming_ CHAPTERs.DIRECTSUPPORTREPAIRS,AL

25、IGNMENT,ANDLUBRICATION SectionI.Repairs Generalpartsreplacementtechniques_ M:lduleandassemblyremovalandreplacementforReceiver-Transmitter, RadioRT-662/GRC_ Assembly removalandreplacementforAmplifier,RadioFrequency AM-3349/GRC-106_ Removalandreplacementofpartsforfrontpanelassembly2A5_ Disassemblyandr

26、eassemblyofturretassembly2A2_ Removalandreplacementofcomponentsforantennacouplerassembly2A3_ Rem:lvalandreplacementoftransformerassembly,rfamplifiermodulelA12_ II.Alignment Testequipmentandspecial toolsrequiredforalignment_ Testcables_ Mechanicalalignmentofdriverassembly2A8_ Statorassembly 2A9, mech

27、llnicalalignment_ Turretassembly 2A2,electricalpositioningadjustment_ Driver2A8Vl.feedbackcapacitoradjustment_ Poweramplifiers2AIAlVland2AlAlV2.neutralizationcapacitoradjustment_ Poweramplifier2AlAlVland2AlAlV2,anddriveramplifier2A8Vl,plate trimmercapacitorsadjustment_ RadioSetAN/GRC-106,power)utput

28、adjustment_ Amplifier,RadioFrequencyAM-3349/GRC-106automaticprogrammingtest_ ii p,p- 1-31-02 1-811-03 1-821-04 1-831-0. 1-341-0. 1-81-0. 1-8.1-0. 1-871-67 1-881-0 1-81-0 1-4.1-69 1-411-72 1-421-73 1-431-78 1-441-74 1-4 1-76 1-4.1-77 2-12-1 2-22-1 2-82-7 2-4. 2-8. 2-62-47 2-72-48 2-82-73 2-, 2-7 3-13

29、-1 3-23-1 3-83-. 3-43-14 3-53-1 2-83-17 3-73-1 3-83-2. 3-,3-2. 3-1.3-21 3-113-21 8-123-23 3-133-2. 3-143-27 8-153-28 3-163-3. 3-173-32 TM11-S8252Q-35 APPENDIX. SectionIII. 3-18 3-19 3-20 CHAPTER Lubrication General_ Receiver-Transmitter, RadioRT-662jGRC_ LubricationofAmplifier,Radio FrequencYAM-8349

30、jGRG-I06_ 4.FOLDOUTILLUSTRATIONS General4-1 Foldoutillustrations_4-2 REFERENCES_ -4 -4 -6 4-1 4-1 Al-l iii 1M11-5820-520-35 CHAPTER1 FUNCTIONALANALYSIS SectionI.GENERAL 1-1.Scope a.Thismanualcontainsdirectsupport maintenanceforRadioSetAN/GRC-106and includes schematicdiagrams,blockdiagrams, withassoc

31、iated. discussions, voltageandresist. ancemeasurements, waveforms,andlubrica- tion instructions. b.Thedirectreportingbytheindividual user,oferrors,omissions,andrecommenda- tions,forimprovingthismanualisauthorid andencouraged.DAFonn2028(Recom- mended changestoDAPublications)willbe usedforreportingtho

32、se improvement recom- mendations.Thisformwillbecompletedus- ing pencil,pen,ortypewriterandforwarded tocommanding General, U. S.ArmyElectron- ics Command,ATTN:AMSEL-MR-NMP-4- AD,FortMonmouth, N.J.07703. 1-2.IndexofPublications RefertothelatestissueofDAPam310-4 todeterminewhethertherearenew editions,

33、changes,oradditional publicationspertaining tothisequipment. DAPam310-4isanindex ofcurrenttechnical manuals, technical bulle- tins,supplymanualstypes 7, 8,and9, sup- ply bulletins, lubricationorders,andmodifica- tionworkordersavailablethroughpublica- tionssupplychannels.Theindexliststhe individualpa

34、rts(-10,-20,-SSP,etc)andthe latestchangestoandrevisionsofeach equip- mentpublication. Note.Forotherapplicableformsandrecords,see paragraph3,TM11-5820-520-12. SectionII.BLOCKDIAGRAMFUNCTIONALANALYSISOF RECEIVER-TRANSMITTER,RADIORT-662/GRC 1-3.TransmitOperation,Functional Description (fig.1-1) a.Durin

35、gtransmitoperation,the,audio in- putfromtheminor electrical componentor radio teletypewrjteltenninalequipmentis ap- pliedtotheaudio portion oftransmitterinter- mediate frequency(IF)andaudio module lAS.(Paragraph2-2acovers useofrefeTence designations suchas2AS.)Insingle sideband (ssb),compatible ampl

36、itude modulation (com- patibleam.),narrowfrequency-shift-keying (nsk),orfrequency-shift-keying(fsk)opera- tion,theaudioinputsignalsareregulatedtoa constantamplitudeandappliedtoa seriesof audio amplifiers. In continuous-wave (cw) op- eration,a 2-kilocyc1e (kc) signal is developed fromthel-kcpulsedinp

37、utfromfrequency di- viders modulelA6(eachtimethecwkeyline is closed)andapplied tothesameaudioam- plifiers.This2-kcsignal is keyedtoprovide theintelligencetransmittedincw operation. Theaudio portionoftransmitter(IF)and audiomodulelASalso providesthevoice- operatedtransmitter(vox)switchingandper- form

38、stheprimarykeying function. b.Theamplifiedaudiooutputfromthe audio portionoftransmitterIFandaudio modulelASis appliedtothebalanced modu- latorin receiVeTIFroadIelA7.A 1.75-mega- cycle(me)outputfromfrequencydividers modulelA6is also appliedtothebalanced modulator. Mixingthesetwoinputsinthe 1-1 - I. 3

39、! ALeSIGNALFAOIIIAMPLIFIEA,RAOIO, FREQUENCYAM-3349/GRC-I06I INTERNA.LAle 0TRANSMITTERIF.AUOI ANDAUDIO CWKEYMODULE LINE1,1,5 RECEIVERIF. MODULE ImM1PIO1.15 JF.TRANSMITTERIF.IF. AHOAUDIO MCOULE TRANSLATOR MODULE INTERNAL ASSEMBLY lAIAS AIAMPLIFIER MODULE 12 I- .1WATT NOMINAL IIRFOUTPUTTO .AMPLIFIER,RA

40、DIO FREQUENCY AM-33491GRC-I06 - - I. m ? L7!5Me1.75Me1 IIII.MOCULATlON)(CARRIERREINSERTION) 2.5-23.5 Me HI-LOSIGNAL PULSES r HI-32,4-33.3MC LO-ZVI-23.3I1lC 4.551- 4.6501llC ( Me SYNTHESIZER MODULE IHILo SIGNAL! 100-Ke SYNTHESIZER1.1.1Me MODULE 10-ANOH(C SYNTHESIZER MODULE 100Ke SPECTRUM (5.3-16.2MCI

41、 lOMe 500KC FREOlJENCY STANDARD MODULE Me Me IMelRFERENCE OUTPUT 1.75MC IKe PULSES FREQUENCY DIVIDERS MOOULE 1A6 10KC SPECTRUM (2.4EH!7MC) IKCSPECTRUM (2.1-30KC) TM82Q-2Q35-1 ( -.-. Figure1-1.Receiver:-Tranamitrer,RadioRT-66!/GRC,functional block diagram, transmit operation. balancedmodulatorproduce

42、samodulated 1.75-mc double-sideband,suppressed-carrierIF output. Thisoutputpassesthroughacrystal filter,partsof receiverIFmodulelA7,which removesthelower sideband,furtherattenuates thecarrier,andestablishesthebandwidthof theuppersideband. c.The 1.75-mcuppersidebandIFoutput fromthecrystalfilterin rec

43、eiverIFmodule IA7 is appliedtotheIFportionoftransmitter IFandaudio modulelA5andtothereceiver IFcircuits.Duringcwtransmission,thereceive IFcircuitsareenergized(para1-4c)toallow thetransmitIFsignal to be demodulatedand applied to receiver audio module lAIO.This provides a sidetoneformonitoringcwtrans-

44、 missions. TheIFportionoftransmitterIFand audio module 1A5 providesthenecessaryIF amplification.Theamplificationstagesarecon- trolled by automatic level control (arc)signals thataredevelopedfroma modulated direct current(de)controlvoltagefromAm- plifier,RadioFrequencyAM-3349/GRC- 106orfrominternalal

45、c assemblyIA1A5 (para1-23).Theinternalalesignalis nor- mally used only whentheAM-3349/GRC-106 is not functioning.Theinternalalc is always present,butthenormal controlfromtheAM- 3349/GRC-I06setstheradiofrequency(rf) output level belowtheinternalalc threshold. In compatible am. operation,the1.75-mc lo

46、cal carrieris reinserted intothesignalpathinthe IFportion oftransmitterIFandaudio module lAS.Thelevel of thereinsertedcarrieris con- trolled bytheaveragepowercontrol(ape) portion ofthesignalapplidfromtheAM- 3349/GRC-106(para1-61).Themodulation portion ofthecompatible am. signalis con- trolled by the

47、 peak-power control(ppc)por- tionofthesignalappliedfromtheAM- 3349/GRG-I06(para1-6g). d.Theamplified1.75-mcIFupperside- bl.11doutputfromtheIFportionoftransmit- terIFand audio moduleIA5is appliedtoa low-frequency(If)mixer intranslatormodule lAS(para1-7).TranslatormodulelA8con- vertsthe 1.75-mcIFsigna

48、l intotheselected operatingrf.Thisisaccomplishedthrougha series of mixing- processes.IntheIfmixer,the TM11-5B520-35 C2 1.75-mcIFissubtractivelymixedwithone of the injection frequencies (4.551to4.650me) from10-andl-kcsynthesizermodulelA4to produce asecond2.8-to2.9-mcIFsignal. Thissignalisappliedtoana

49、diumfrequency (mf)mixerandsubtraetivelymixedwithone ofthehi (32.4to33.3mc)or10(22.4to 23.3me)injection frequenciesfromlOO-kc synthesizermodulelA2.Thismixingpro- duces athirdIFbetween 19.5and20.5mc (10)orbetween 29.5 mcand30.5mc(hi). Theuseofeili;herthehior10injectionis de- terminedbythesettingsoftheRT-662/GRC frontpanell-mcandto-mc(M