Kenwood TK-3170 Service Manual

Also see for TK-3170: Function reference Instruction manual Instruction manual Specifications Instruction manual

TK-3170/317328Pin No. Port Name I/O Function1 VREF - +5V1 KEY2 I Key matrix 2 input2 KEY3 I Key matrix 3 input3 PC O TX APC adjust4 HSDO O High speed data output5 KEY4 I Key matrix 4 input6 EEPCL O EEPROM clock7 HSDIN I High speed data input8 MDSW I Man down switch input9 DACDAT O DAC data10 BYTE - 5V11 CNVSS - 5V12 EEPDAT O EEPROM data13 AM2 O Audio mute 214 RESET I BATT reset15 XOUT O 11.0592MHz clock output16 DGND - DGND (Vss)17 XIN I 11.0592MHz clock input18 VCC - 5V19 NMI - 5V20 EN2 I Selector input 221 INT I BATT voltage INT22 PTT I PTT23 SHIFT O Beat shift24 BEEP O Beep output25 SFTOE O BU4094BCFV output enable26 DACLD O M62364FP LD27 LEDR O LED red28 LEDG O LED green29 OPTDET I Option DET30 LSDOUT O Low speed data output31 SIDE1 I Side 1 key32 SIDE2 I Side 2 key33 TXD I/O TXD (COM0)34 VCC1 - 5V (Vcc1)35 RXD I RXD (COM0)36 DGND - DGND (Vss)37 DACCLK O DAC CLK38 AUX I AUX KEYSEMICONDUCTOR DATAPin No. Port Name I/O Function39 TXD2 O TXD2 (COM1)40 RXD2/AINH I RXD2 (COM1)41 AFDAT O BB TDATA and DTRCLK42 AFDIO I/O BB DI/O43 AFDIR O BB DIR44 DTRLOAD O BB DTMF enable45 AFSTD I BB STD46 SCLK O BB SCLK47 RDY - 5V48 ALE - NC49 HOLD - 5V50 HLDA - NC51 EN4 I Selector input 452 EN3 I Selector input 353 5TC O 5T control54 EN1 I Selector input 155 BCLK O NC56 RD O Read (RD)57 BHE O NC58 WR O Write (WR)59 APCSW O APC SW60 DSW O APC voltage discharge SW61 LCDINH O LCD INH62 LCDDAT O LCD DATA63 LCDCLK O LCD CLK64 SIM/LCDCE O LCD chip select65 CS0 O Chip select 066 A19 - NC67~76 A18~A9 O Address bus 18~977 UL I PLL unlock78 PLE O PLL enable79 PCK O PLL clock80 SFTSTB - SFTSTB81 SELF I/O Self progamming82 VCC2 - 5V83 A8 O Address bus 884 DGND - DGND (Vss)85~92 A7~A0 O Address bus 7~093 PLLDAT O PLL dataMicroprocesser : 30625MGP234HU (TX-RX unit IC7)