Sharp FX-184 Service Manual

ServiceManualKezMODELFX-184SPECIFICATIONSGENERALDESCRIPTIONFrequencyRangeThecircuitryusedinthistwobandportableradioAMSsennataioeiserieines530~1650kHzincorporates8transistors,1 auxiliarytransistor,4diodes,EM>-cisvsseineteaueeasan88 ~108MHz1thermistor.Aferritebarantennafeeds theAMsignaltotheAMIntermediateFrequencyconverter,2IFamplifiersandadiodedetector.BMG.shusreeroatteseenmet455kHz AtelescopicrodantennafeedstheFMsignaltoEM.cheessncsaseaentnced10.7MHztheFMRFamplifier,FMconverter,2IFamplifiersPowerOutputandFMdetector(2diodes).Undistorteddciaxnc: 200mWTheaudiosignalpassesthroughthe4transistorMaximum—...seeseseeees350mWaudioamplifiercircuit.Speakercicuesivsdoasaneuiens21/2”(6cm)P.D.S.10ohmAnAM AVCvoltageisfedbacktotheIstIF400 Hzamplifier.AnAFCvoltageisfedbacktotheFMconverter,PowerSupply....sseseseceeesDC6V(UM-3X4)Dimensions.......cseceseeeee3”(W)X5 1/8” (H)X11/8”(D)BolinBooteCHASSISREMOVALWIDE:Ssaetianieceteiredeatastt.0.53lbs.(240g)1,Removethebackcabinet.2.Astheprintedcircuitboardisfixedintotheslitofthe cabinet,push open bothsidesofthetabinetandTransistorComplementliftuptheprintedcircuitboard.ThentheprintedQi DSCSSOAssesescuse:FM RF Amp.circuitboardcanberemoved.Q22SC461B.......000FM/AMConverterQ3 2S ALC sencerensies AFCQ42SC460C1...istIFAmp.Q5——-2SC460Cwaeeesees2ndIFAmp.Q6 2SB7SB secctsosveees Audio Amp.Q72SB75BsessscceesAudioAmp.Q8,Q9 2SB77BX2.....Audio OutputTINIANA\ TWotoOSAKA, JAPAN