Kenwood TS-950S Service Manual

Also see for TS-950S Digital: Instruction manual Instruction manual Instruction manual Instruction manual Service manual

bOrJQUO/OVDESCRIPTION OF COMPONENTSComponentsIUse/FunctionOperation/Condition/CompatibilityC14SystemresetResetpulsegenerator.5064icaPRES118IC15|SerialbufferParsonalcomputerinterfaceI/Obuffer.IC16 BufferD/Aconverteroutput.100Kw 1,6,8,14Wy10K 3,3,10,12117,18 Reset buffer Reset signal bufferic19|Chipselectdecoder{ChipselectmixerforRAM.1620DatabufferPLL,clockpulsebuffereee1C21DatabufferPLLdatapulsebuffer.ee119QiModesignalswitchingDATAmode, FSKmodea2ModesignalswitchingAMmode,CWmode.Q3ModesignalswitchingFMmode,SSBmode.Q4SignalswitchingAIPsignal(mixerselect),ALMSsignal(MET3meterselect).QsTXIsignalswitchingTransmissionbandindicationsignal.Q6,7RX bandsignalswitching|RBO~RB.Q8,9LPFsignalswitchingLPO~LP3.Q10APREsignalswitchingATpresetsignal.QiSMKCsignalswitchingSub markersignalturnonandoff.Markeron:active''L"'D1,4|Back-upvoltageselectswitchFORSERVICEMANUALS02,3Protection diodeMICUP/DOWN.CONTACT:D5 Switching Antennatunerauto/throughsignal.MAURITRONTECHNICAL SERVICESD6,7SwitchingOptionfilterDIS switch_mauritron.co.ukD8~11ProtectiondiodeA/DconverterinputprotectionTEL01844-351694B12 Switching Expandfrequencygunetion;FAX-04844—362654D14,15SwitchingExpandfrequencyfunction.D17~19Switching Expandfrequencyfunction.D20ResetdiodeResetcircuittimeconstantcapacitor discharge.iF UNIT (X48-3060-00)ComponentsUse/Function Operation/Condition/CompatibilityIC1SUBreceivedetectionConvertIF10.695MHzintoAFlevel.oe|QiSUBIFamplifier40.055MHz.Q2,3SUB2nd mixer40.055MHz >10.695MHz.a4SwitchingOnintransmitmode.67