Kenwood TK-980 Service Manual

Also see for TK-980: Programming instructions Instruction manual Instruction manual Programming instructions Specifications

18TK-980/981 INSTALLATIONConnector Pin Pin I/O FunctionNo. No. name8 SQ O Squelch signal output. Signal logictype can select “Carrier operaterelay” or “Tone operate relay”.Active logic level or type can selectin the KPG-49D.CN2 1 AM I Audio mute signal input.LOK O Access logic signal output.Active level or type can be select-able in the KPG-49D.2 MM I MIC mute input.3 DTC I Data control channel signal input.Data channel : L, Normal channel : HTXS O Signal indicating whether the trans-ceiver is transmitting or not.TX : H, Another : LFSW I Foot switch signal input.Foot sw on : L, Foot sw off : HLOK O Access logic signal output.Active level or type can be select-able in the KPG-49D.CN3 1 HOR O Horn alert signal output. Signaloutput for horn relay drive (opencollector). L level during horn drive :Max. sink current 100mA.2 E – Earth.3 SB O Power output after power switch(DC 13.6V± 15%, 0.75A max.).CN4 1 LOK O Access logic signal output.Active level or type can be select-able in the KPG-49D.2 RXD1 I Serial data input 1.“COM1” port must be select “REM”/ “DATA” / “GPS” / “DATA+GPS”function in the KPG-49D.3 TXD1 O Serial data output 1.“COM1” port must be select “REM”/ “DATA” / “GPS” / “DATA+GPS”function in the KPG-49D.CN5 1 PA O Relay for PA function in KAP-1control signal. PA on : H, PA off : L2 SPO O Audio signal input from KAP-1.3 SPI I Audio signal output to KAP-1.CN6 1 SP O Output for internal/external speaker.2 E – Earth.3. Optional Board TerminalTerminal is for mounting the option board are provided atthe TX-RX unit (A/2) and TX-RX unit (B/2). The table belowshows the correspondence between the board and termi-nals. Disconnect R529 and R571 in control unit when thescrambler board is attached.The table below shown the differences between theschematic terminals and the PC board terminals.Schematic diagram PC board viewName I/O Function Name UnitSB – Switched B+, DC 13.6V SB TX-RX (A/2)output. Maximum 0.75A5C – 5C 5C TX-RX (A/2)GND – Earth E TX-RX (A/2)DEO O Detect signal output (Output DEO TX-RX (A/2)level : 250mVrms; standardmodulation)RXAI I RX audio input RXAI TX-RX (B/2)RXAO O RX audio output RXAO TX-RX (B/2)TXAI I TX audio input TXAI TX-RX (B/2)TXAO O TX audio output TXAO TX-RX (B/2)LOK O Access logic signal output. LOK TX-RX (A/2)Active level or type can beselectable in the KPG-49D.OPT O Option board select. Please OP TX-RX (A/2)(EMG) select option board type in theKPG-49D.OP1 O Option code 1 (for voice C1 TX-RX (A/2)scrambler code 1)OP2 O Option code 1 (for voice C2 TX-RX (A/2)scrambler code 2)OP3 O Option code 1 (for voice C3 TX-RX (A/2)scrambler code 3)OP4 O Option code 1 (for voice C4 TX-RX (A/2)scrambler code 4)SQ O Squelch signal output. Signal SQ TX-RX (A/2)logic type can select “Carrieroperate relay” or “Tone operaterelay”. Active logic level or typecan select in the KPG-49D.TXD1 O Serial data output 1 TD1 TX-RX (A/2)RXD1 I Serial data input 1 RD1 TX-RX (A/2)TXD2 O Serial data output 2 TD2 TX-RX (A/2)RXD2 I Serial data input 2 RD2 TX-RX (A/2)RSSI O Receive signal strength indication RSSI TX-RX (A/2)PTT I PTT PTT TX-RX (B/2)MPTT I MIC PTT MPTT TX-RX (B/2)FSW I Foot switch input FW TX-RX (A/2)ST I Side-tone input ST TX-RX (A/2)