Kenwood TS-950S Service Manual

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

CIRCUIT DESCRIPTIONTS-950S/SDPortname | Pin No. Name Function vo | RemarksB port PBO 64 MDA DSP control data © | For DSP and PLL in DSPPBI 3 MCK DSP control data clock O | For DSP and PLL in DSPPB2 4 MEN | DSP control data enable © | For OSPPB3 6 MLE DSP control data enable © | For PLL in DSPPB4 6 STB Serial-to-parailel conversion IC data enable i O | TC9174FPBS 7 HIPC AIP on/off signal me) i “LU: OFF, "HH": ONP86 8 PCK PLL control data clock OjPB7 9 PDA {} PLL control data ie}C port PCO 11 PLE7 PLL control data enable 7 O | For VCO7{PCI 12 PLE6 PLL control data enabie 6 O | For VCO6PC2 13 PLES PLL control data enable 8 O | For VCO8PC3 14 PLES: PLL control data enable 5 O | For VCOSPC4 15 PLES PLL control data enabie 3 © | For VCO3PCS 16 PLES PLL control data enable 9 OQ | For VCO9PC6 17 PLE2 PLL control data enable 2 O | For VCO2PC7 18 PLE4 PLL control data enable 4 O | For VCO4D port PDO 20 SD Serial-to-paralle! conversion IC data O | TC9174FPD1 21 CK Serial-to-parallel conversion 1C data clock [e)PD2 22 DATC DATA mode O | "H'': Mode is selectedPD3 23 FSKC FSK mode ie)PD4 24 AMC AM mode ie]PDS 27 CWC CW mode ie}PD6 28 FMC FM mode ie]PD? 29 SSBC SSB mode ie)E port PEO 49 ALMS {| MET3 select signal ie) : Ie meter, “"H" : ALC meterPE1 50 =: Not usedPE2 52 TX| | Transmit disable signal O | “H'': Transmit disablePES 53 Ess Personal computer interface transmission request signal O | “H'': Transmission requestControl | DO~D7 |30-32,35-39| DO~D7 ' Oata bus VOsignal RD,WR 44,43 RD,WR Read/Write signal IA0~A2 46~48 AO~A2_| Port select signal Lu!ODEN 4) ODEN Output disable signal I When reset, all parts become input ports}cs 45 cs Chip select signal |3) Extended 1/0 : MB89363B (Digital unit IC7}Portname | Pin Ne. Name Function vo RemarksA port POO 28 SLE FSK control shift data 1 ej(POX) PO1 27 SLE2 FSK control shift data 2 ie)PO2 26 SLE3 FSK control shift data 3 3°PO3 25 APRE AT manual/auto signal © } "L': Manual, “H" : AutoP04~P06 23~21 ~ Not usedPO7 20 SMKC SM-230 sub-marker control signal O | “Lt: OFF, “H'': ONBport | P10~P17 44~51 PREt AT variable capacitor 1 preset D/A data fe)(P1X}C port | P20~P27 | 34~40,43 PRE2 AT variable capacitor 2 preset D/A data ie}{P2X)Dport | P30~P33 77~80 |RBO~RB3| Receive band data io){P3X) P34~P37 1~4 LPQ~LP3 | Transmit band data ie}E port | P40~P47 54~61 VSWR AT SWR O/A data 10)(P4x)Fport | P50~P57 | 62,65-71 SMKR SM-230 sub-marker D/A data ie)(PSX)45