Kenwood TM-471A Service Manual

Contents

TM-471A27TX-RX UNIT (X57-686X-XX)CN No. Pin No. Name FunctionCN1 1 ENC A Encoder A2 CM Microphone Key Check3 ENC B Encoder B4 MIC KEY Microphone Key5 DI Data Out from LCD6 CE Chip Enable for LCD7 CL Clock for LCD8 DO Data transfer to LCD9 5C 5V DC power supply10 8C 8V DC supply11 VOL Volume12 POWER Power Key13 RXD RXD14 BRI Brightness Control15 PTT PTT16 GND Ground17 GND Ground18 MIC MicrophoneCN2 1 GND Ground2 SQC Squelch Signal3 PKS Transmission Control4 PR1 1200bps Receive Data5 PR9 9600bps Receive Data6 GND Ground7 PKD Transmission ModulationCN No. Pin No. Name FunctionCN5 1 INT SP Internal speaker2 GND GroundDISLAY UNIT (X54-3450-10)CN No. Pin No. Name FunctionCN1 1 ENC A Encoder A2 CM Microphone Key Check3 ENC B Encoder B4 MIC KEY Microphone Key5 DI Data Out from LCD6 CE Chip Enable for LCD7 CL Clock for LCD8 DO Data transfer to LCD9 5C 5V DC power supply10 8C 8V DC supply11 VOL Volume12 POWER Power Key13 RXD RXD14 BRI Brightness Control15 PTT PTT16 GND Ground17 ME ME18 MIC MicrophoneTERMINAL FUNCTION