Kenwood TK-7100H Service Manual

Also see for TK-7100H: Specifications Service manual

Contents

3913 Internal Connector13.1 OverviewThe TK-7100H/8100H have a connector for aSmarTrunk board and two connectors for connectingexternal devices and installing boards (scrambler,etc).CN2 CN3CN4CN2No. Name I/O Function Specifications1 SB - 12 V Max. 200 mA2 NC - -3 GND - GND4 NC -5 FNC1 I/O Programmable6 FNC2 I/O Programmable7 FNC3 I/O Programmable8 FNC4 I/O Programmable9 FNC5 I/O Programmable10 FNC6 I/O Programmable11 FNC7 I/O Programmable12 FNC8 I/O ProgrammableCN4No. Name I/O FunctionImpedance/CouplingSpecifications1 GND - Ground2 NC - -3 NC - -4 NC - -5 FNC2 I/O Programmable6 NC - -7 NC - -8 FNC3 I/O Programmable9 FNC1 I/O Programmable10 NC - -11 5C - 5 V DC powersupply5 V DC,Max. 50 mA12 NC - -13 DATAI I Externaltransmit signalinput 120 k/AC1 kHz 500 mVrmsInput STD DevBeforepre-emphasis14 DETO2O FM DetectorOutput 1.8 k /DCSTD Dev 300 mVrms (Open)Beforede-emphasis15 ALTI I External alerttone signalinput 3 k/ AC1 kHz 230 mVrms STD DevAfter de-emphasis16 NC17 NC18 NC19 NC -20 GND - Ground