Kenwood TK-3180 Service Manual

Also see for TK-3180: Instruction manual Specifications Brochure & specs Instruction manual Instruction manual

TK-318013Pin No. Port Name I/O Function1 VREF - +5V2 AVCC - +5V3 SBC O Switched B control4 5RC O RX control5 5TC O TX control6 APC/TV2 O TX APC adjust / TV adjust 27 HSDO O High speed data output8 STSW O Side tone switch9 RTCL/EEPCL O RTC/EEPROM clock10 HSDIN I High speed data input11 MAN-DN IN I Man down switch input12 RTDT/EEPDAT I/O RTC/EEPROM data13 BYTE - +5V14 CNVSS - DGND (Vss)15 DMUTE O Det mute16 AM2 O Audio mute 217 RST I Reset18 Xout O 11.0592MHz clock output19 DGND - DGND (Vss)20 Xin I 11.0592MHz clock input21 VCC1 - +5V22 NMI - +5V23 PSW I Power switch input24 INT I BATT voltage INT25 INTRA I RTC INT26 SHIFT/MODEL I/O Beat shift / Model select27 BEEP O Beep out28 SPSTB O BU2099 storage enable29 VCO ADJ O VCO adjust switch30 LEDR O LED red31 LEDG O LED green32 DSTB O STB for DAC33 LSDO O Low speed data output34 KEY1 I Key matrix 1 input35 KEY2 I Key matrix 2 input36 TXD1 I/O TXD1 and PTT (SC20-460)37 Vcc1 - +5V38 RXD1 I RXD139 DGND - DGND (Vss)SEMICONDUCTOR DATAPin No. Port Name I/O Function40 MMUTE O Mic mute41 AUX I AUX key42 TXD O TXD (COM0)43 RXD I RXD (COM0)44 AFDAT O BB TDATA and DTRCLK45 AFDIO I/O BB DI/O46 AFDIR O BB DIR47 DTRLOAD O BB DTMF enable48 AFSTD I BB STD49 LSW O BB LIM switch50 RDY - +5V51 NC - Non connection52 HOLD - +5V53 NC - Non connection54~57 EN4~EN1 I Encoder in 4~158 NC O Non connection59 RD O Read (RD)60 NC O Non connection61 WR O Write (WR)62 APCSW O APC switch output63 DSW O APC voltage discharge switch64 5UC O 5U control65 BTSE/VOX O BATT select / VOX input switch66 LCDRST O LCD reset67 LCDCS O LCD chip select68 CS0 O Chip select 069 NC - -70~79 A18~A9 O Address bus 18~980 UL I PLL unlock81 PLE O PLL enable82 PCK O PLL clock83 NC - NC84 OPT6 O Option board I/F 685 VCC2 - +5V86 A8 O Address bus 887 DGND - DGND (Vss)88~95 A7~A0 O Address bus 7~096 PTT I PTT input97 AFRTM I BB RDF/FDMicroprocesser : M30625MGP (TX-RX unit IC502)