Kenwood TS-950S Service Manual

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TS-950S/SDDESCRIPTION OF COMPONENTSComponents Use/Function Operation/Condition/CompatibilityIC4 | Motor drive Motor 1.ICS + Motor drive Motor 2.icé6 Comparator Differential modulation detection,IC7 Operational amplifier } Motor control.Ice Timer Saw-wave generated. eeSNO—J1 8p veoTRIGGER 2 7 Le OISCHARGEOUTPUT =43 BERESET —ef4 5 J+ ~CONTROLi VOLTAGEQ1,2 Amplifier | Wave shaping.Q3 j Switching Control select.04,5 Switching Motor speed controlO6 Switching - Sqw-wave oscillator on or off.Q7,8 Switching Motor deive.Q89,10 i Switching Tuning start.ATAaTs01,2 Detection Modulation detection (voitage and current)D3~8 Switching Clipper.09 Switching Voltage drop.010 Switching Spike prevention.D11 Switching Voltage drop.D12 Switching AT control.D13 Switching Tuning start.DSP UNIT (X53-3260-00) : TS-950SDComponents Use/Function Operation/Condition/Compatibility1C1,2 HPF MIC input HPF resistor select.IC3 Signal select X ; A/D converter output mute.Y : A/D converter output select MIC or AF1.2: AF2 output select AF1 or output of D/A converter.IC4 Amplifier, filter 1: MIC input amplifier (Gain 6d8).2: MIC HPF.IC5 Amplifier, filter 1: AF input amplifier (Gain 6dB).2: MIC HPF.IC6 Limitter Clipper of the IC7 output.77