Kenwood TS-950S Service Manual

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TS-950S/SD DESCRIPTION OF COMPONENTSComponents | . Use/Function Operation/Condition/CompatibilityIC14Divider(1/2,1/5)1:10MHzoutput.11:2MHzoutput.12:10MHzinput,14:20MHzinput.C15 (1/2) Divider (1/2} 1:2 1MHz output. 3: 2MHz input.1C15 (2/2) Divider (1/2) ‘41: 4.26kHz input. 13: 2.128kHz output.iC16 Divider {Programable) 1: 4,26kHz output. 3~6,11~14 : Divided ratio setting input.| 7: Enable FSK:"H". 9: 1MHz input.1C17 (1/2) 2 line-4 line decoder 1: Enable '"H'":on. 2,3: AFSK space frequency setting input4-7 : Divided ratio setting output (space).IC17 (2/2) 2 line-4 line decoder 9,12 : Divided ratio setting output (mark). 10,11: Mark, space select output.i 13: Key pole output. 14; Shift (FWD, REF) select input.Ql i MAIN LO4 output buffer 355kHz.Q2 MIX7 input buffer 1OMHz.Q3 MAIN LO3 output amplifier 9.285MHz.a4 MIX13 input buffer 10MHz.a5 SUB CAR output amplifier 10.695MHz.Q6 MIXS input buffer 59.5MHz.Q?7 MIXS5 input buffer 69.5MHzas MIX8 input buffer 9.92MHz when CW PITCH 800Hza9 MIX8 input buffer 10MHz.Q10 AFT output buffer 30~150kHz in CW mode.anMAIN CARoutputbuffer100kHz..=Q12 EXT STD buffer ‘| V0kHz.Q13 Osc1 20MHz (STO).Q14 OSC1 buffer SO-2 buffer when SO2 operates.Q16 TTL input amplifier 20MHz.Q16 REF output amplifier 20MHz (PLL unit).Q17 REF output amplitier TOMHz {AF unit).Q18REFoutputamplifier|10MHz(DSPunit).FORSERVICEMANUALSarg AFSKoutputbuffer2.125kHz(Activelow-passfilter).CONTACT::D1 Reverse current prevention UNLOCK signal. MAURITRON TECHNICAL SERVICES _|D2 VCOS5 frequency adjustable Wa mauriiren.ce-D3 Reverse current prevention UNLOCK signal. FEL-01944—354694p4 VCO6 frequency adjustable FAX: O46 =D5 Reverse current prevention UNLOCK signal. : :D6 VCO4 frequency adjustableD7 Reverse current prevention UNLOCK signal.D8 VCOS frequency adjustable09 VCXO frequency adjustable OSCt.Did Voltage regulator OSC1.D11~13 _; Reverse current prevention AFSK divided setting matrix and mark, space select.014 Reverse current preventionFILTER UNIT (X51-3060-XX) -00: TS-950SD (K,M,W,X,P) -01: TS-950S (K.M,W,X,P) -61: TS-950S (W2) -62 : TS-950SD {W2)Components Use/Function Operation/Condition/CompatibilityIC1 Band data decoderrs! | f tewi O ofBCO-TO-DECIMALOram yoIc2 Reiay driver1C3 AVR +5V.Qt Relay driver 10F relay.01 Relay surge absorption 1.6~2.5MHz LPF relay.74