Kenwood TS-950S Service Manual

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

TS-9505/SD46CIRCUIT DESCRIPTIONPort name | Pin No. Name Function |v/0 RemarksControl |DBO~DB7| 12-19 |DBO~DB7| Data bus ie)signal RD,WR 76,5 RD,WR Read/Write signal itRES 6 RES Reset signal : Ll | UL: ResetAO,A1 31,32 A0,A1 Port select signal Llcso 29 cso Chip select signal IL "LY: POX~P2x is selectcsi 75 CS Chip select signal i “L's P3X~P5xX is select4} Extended 1/0 : CXD1095Q (Digital unit IC8)Port name i Pin No. Name | Function vo | RemarksAport |PAQ~PA7 | 54~63 KO~K7 Key input 1 |Bport |PBO~PB7| 64,3~9 S0~S7 Key matrix select signal (oeCpot | PCO "1 SABK | Sub AF blanking O | "H" : BlankingPCi 12 MABK Main AF blanking O | “H" : BlankingPC2 13 PLEO PLL control data enable 0 O | For VCOOPC3 14 PLE1 PLL control data enable 1 O | For VCO1PC4-PC7| 15~18 |VBA-VBD]| PLL band data izD port PbO 20 RG SM-230 sweep width data 1 iPDI 21 RGO | SM-230 sweep width data 0 imPD2~PD6} 22~28 - Not used !PD7 29 FRS Filter DIP switch select signal ie)E port PEO 49 | MOS Transmission monitor switch signal || UL: OFF, ‘HY: ONPEI a Not used |PE2 52 i; MD MIC down switch signal O | “LONPE3 53 1 MU MIC up switch signal pO} UL" ONControl | _DO~D7 _|30-32,35-39! DO~D7_| Data bus YOsignal RD,WR 44,43 i RD.WR Read/Write signal IA0~A2 46~48 A0~AZ Port select signal eelODEN 44 ODEN [ Output disable signal | | | When reset, all ports become input portscs 45 cs | Chip select signal i!5) Extended I/O (A/D converter) : MB4056 (Digital unit (C13)Port name | Pin No. Name Function 1/0 RemarksAID AO 2 PIT t_AYD channel 0, pitch VR input inport Al 3 CRU A/O channel 1, carrier USB VR input iA2 4 CRL A/D channel 2, carrier LSB VR input ' |A3 5 CRS A/D channel 3, carrier sub VR input tIA4 6 CRW AYD channel 4, carrier window VR input |AS in Not usedA6 8 1 POo1 A/D channel 6, AT variable capacitor position VR1 input} |A7 g POD2 A/D channel 7, AT variable capacitor position VR2 input| |Control | CO~C2 412-14 Co~C2 Channel select signal tsignal CLK 16 CLK A/D data select signal tcs 15 cs Chip select iDO 7 DO AD data ie)Vref 19 Vref A/D reference power supply O | 5VRS 18 RS Range select signal 1 | Always "H"S/D 14 S/D Conversion mode signal || Always "'H"!FOR SERVICEMANUALSCONTACT:MAURITRON TECHNICAL SERVICESwww.mauritron.co.ukTEL:01844-351694FAX: 01844-352554