Kenwood TK-7160 Modification Information

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Contents

1 PORT FUNCTIONSMOD (K)/Ver. 2.00 Confidential CONTENTS 3Table 1-3 Assigning Signals to the CN3 ConnectorTable 1-4 Assigning Signals to the CN4 ConnectorPinNumberSignalNameInput/Output Items Description1 IGN InputHigh/ Low LevelMaximum Input VoltagePull-upActive High or LowH = more than 8 V, L = less than 6 V±20 V maximumNo pull-upActive High2 DATAI InputInput Level/ DeviationInput ImpedanceDC CouplingFrequency Response500 mVrms ±5 mV at 1 kHz deviation5kΩ loadDC coupled+1/-3 dB at 10 Hz to 10 kHz3 DETO OutputInput Level/ DeviationInput ImpedanceDC CouplingFrequency Response530 mVp-p at 60% Deviation1kΩ loadDC coupled+1/-3 dB at 10 Hz to 10 kHz4 TXAFI InputInput Level/ DeviationInput ImpedanceDC CouplingFrequency Response200 mV ±50 mVp-p at 1 kHz Deviation22kΩ loadDC coupled300 Hz to 3 kHz +6 dB/octave (EIA curve)5 TXAFO OutputOutput Level/ DeviationOutput ImpedanceDC CouplingFrequency Response200 mV ±50 mVp-p at 1 kHz Deviation22kΩ loadDC coupled+1/-3 dB at 10 Hz to 10 kHz6 EMGMIC InputInput Level/ DeviationInput ImpedanceDC CouplingFrequency Response3 mVrms at 1 kHz Deviation4kΩ loadDC coupled300 Hz to 3 kHz +6 dB/octave (EIA curve)7 RXAFO OutputOutput Level at 60% deviationOutput ImpedanceDC CouplingFrequency Response500 mVp-p at 1 kHz Deviation50kΩ loadDC coupled300 Hz to 3 kHz -6 dB/octave (EIA curve)8 ALTI InputInput Level at 5 W SP outputInput ImpedanceDC couplingFrequency Response500 mVp-p at 1kHz Deviation560Ω loadDC coupled+1/-3 dB at 10 Hz to 10 kHz9 RXAFI InputInput Level at 60% deviationInput ImpedanceDC CouplingFrequency Response500 mVp-p at 1 kHz Deviation50kΩ loadDC coupled300 Hz to 3 kHz -6 dB/octave (EIA curve)10 5C Output Output VoltageMaximum CurrentSwitched or Unswitched5 V ± 0.5 V50 mA maximumSwitched 5 V AVR output11 8C Output Output VoltageMaximum CurrentSwitched or Unswitched8 V ± 0.5 V100 mA maximumSwitched 8 V AVR outputPinNumberSignalNameInput/Output Items Description 1 Description 21 GND - - - -2 8C Output Output VoltageMaximum CurrentSwitched or Unswitched8 V ±0.5 V100 mA maximumSwitched AVR 8 V output -3 FNC5 Input/OutputHigh/ Low LevelMaximum Current/ InputVoltagePull-upActive High or LowH = more than 4.2 VL = less than 0.8 V± 20 V maximumPulled-up to 5 VActive LowH = more than 4.2 VL = less than 0.8 V0.2 mA maximumPulled-up to 5 VActive Low4 FNC6 Input/Output - do - - do - - do -5 FNC2 Input/Output - do - - do - - do -6 FNC7 Input/Output - do - - do - - do -7 FNC8 Input/Output - do - - do - - do -8 FNC3 Input/Output - do - - do - - do -