Kenwood TS-950S Service Manual

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TS-950S/SDDESCRIPTION OF COMPONENTSComponentsUse/FunctionOperation/Condition/CompatibilityD2Relay surgeabsorption2.5~4.0MHzLPFrelay.D3|Relaysurge absorption4.0~7.5MHzLPFrelay.D4Relay surgeabsorption7.5~10.5MHzLPFrelay.D5Relay surgeabsorption10.5~14.5MHzLPFrelay.DéRelay surge absorption14.5~21.5MHzLPFrelay.07Relaysurgeabsorption21.5~30MHzLPFrelay.08|RErectifierREFrectifier.iss)RFrectifierFWOrectifier.D10iRelay surge absorptionTransmit/receiveselectrelay011LPFselect18,21MHz,D12LPFselect25,28MHz.013,14|Levelshift12Vrelaydrive:D5Lightning surgeprotectionRATterminalsurgeabsorber,CONTROLUNIT(X53-3230-00)ComponentsUse/Function|Operation/Candition/CompatibilityIc1]Inverter1-2,34,5-6,12-13:FULL,VOX.2-9,10-11:Pulse delayC2NANDgate1-2-3:CKY.11-12-13:VOX,FULL.iC3AnalogswitchVOX,FULL.IC4Analogswitch1-2-13,3-4-5:CKY,ICSInverter8-9,10-11,12-13;CKY.ICéNANDgate1-2-3:CKY.4-5-6:RBC.IC7AudioamplifierIc38Operationalamplifier|ALCandICmeter.Ic9AnalogswitchMeterselect.1C10Oneshotmulti vibrator 2-3-4-5-7:CKYtiming,10-11-12-13-14-16:Sémi-breakintiming.111Operationalamplifier1-2-3:Powermeter.1C123-terminalAVRInput:15V.Output:BV.IC13.Inverter1-2,3-4; Pulsedelay.Ic14ElectronickeycontrolledCPUIC15NANDgateElectronickeyspeedoscillator.QiALCamplifiera2AmplifierSWRprotectionamplifier.a3AmplifierICprotectionamolitier.a4|VoltageshiftALCmetervoltageoccur.asBufferALCvoltagecontrol.a6Switching|Meterselect(ALC/Ic).Q7SwitchingStand-bycontrol.a8switchingVOX.agSwitchingDischarge.Q10,11DifferentialamplifierALCamplifier.Q12SwitchingRFoutputdrop.Q13~16Switching ATtune.a17SwitchingKEY.Q18SwitchingFULL.Q19SwitchingReset.D1Referencevoltage1.8V.D2,3 VoltageshiftEXT.ALC.: 7D4 Temperature compensationICprotection.D5Voltageshift47V.D6VoltageshiftALC.07 Reversecurrentprevention ALC.D8 ReferencevoltageA7V.75