Kenwood TK-5210 Modification Information

Also see for TK-5210: Specifications Instruction manual Specifications Instruction manual Service manual

2 CONNECTING THIRD PARTY OPTIONAL DEVICESMOD (K)/Ver. 1.04 Confidential Contents 56. Solder the Optional Board Connector board to theSC20-460 board.Connect the Optional Board Connector PCB to thecable as shown in the following figure.Figure 2-1 Connecting the Optional Board Connector PCBto the SC20-460Solder on the SC20-460 side to connect the OptionalBoard Connector PCB to the SC20-460.7. Prepare the 2 pieces of cushion with double-sidedadhesive tape.G13-1974-04 (Boron 20 mm x 30 mm x 1.0 mm) canbe used for the cushion.Note: The above sizes are reference values. You must cut thecushion tape to the same size as the Voice Scramblerboard.8. Attach the cushion tape to the both sides of the SC20-460 board.Optional Board ConnectorPCBTXORXEORXEITXIC3SB2OPT1OPT2DGNDAGND5ASTONDITCNTMDWNINHOPT5OPT4OPT3AGNDABinary Code Select 8Face SideBack SideBBinary Code Select 4CBinary Code Select 2DBinary Code Select 11BUSY / T/R /TONE DRIVER2ECHO PTT3ON/OFF INDICATOR4EMERGENCY5TX IN6RX IN7SCRAMBLE (GNT to enable)8PTT (GNT to TX mode)9GND10+V11RX OUT12TX OUT13PTT SENSEEIRQSC20-460TXDIRXDIGrayGreenOrangeVioletRedBlueYellowBlackSC20-460 Optional BoardConnector PCBA Binary Code Select 8 OPT5B Binary Code Select 4 C3C Binary Code Select 2 OPT3D Binary Code Select 1 OPT12 ECHO PTT OPT4Cushion Tape