Kenwood TK-2000 Service Manual

Also see for TK-2000: Quick manual Service manual Instruction manual Service manual Instruction manual

Contents

TK-200010SEMICONDUCTOR DATAMCU: F2136ACNKDRD (TX-RX unit IC400)Pin No. Signal Name I/O Function1 NC O NC2 VREF - Reference voltage input3 MODE I Mode select for MCU4 NC O NC5 NC O NC6 RESET I Reset signal input7 XOUT O Oscillation circuit8 Vss - GND9 XIN I Oscillation circuit10 Vcc - Power supply11 BSFT O Beat shift for MCU clock12 NC O NC13 NC O NC14 NC O NC15 E2WP O Write protect for EEPROM16 E2DAT I/O Data input/output from EEPROM17 E2CLK O Clock for EEPROM18 CLOCK O Clock for PLL/DAC IC19 DATA O Data for PLL/DAC IC20 PLDL O Load enable for PLL IC21 PLPS O Power saving for PLL IC22 PLUL I Lock detect signal from PLL IC23 NC O NC24 EN4 I Encoder input 425 EN3 I Encoder input 326 EN2 I Encoder input 227 EN1 I Encoder input 128 NC O NC29 OPTDET I 2pin option detection30 LEDR O LED (red) control31 LEDG O LED (green) control32 SPMUT O Power switch for AF amp33 NC O NC34 5TC O 5T control35 5CC O 5C control (SAVE)36 5MSC O 5MS control37 DACLD O Load enable for DAC IC38 PTT I PTT key input39 PFKEY I PF key input40 INT I INT signal input41 VDCSW O Voltage discharge switch42 WID/NAR O Wide/Narrow control43 RXD I Serial data input (FPU)44 TXD O Serial data output (FPU)Pin No. Signal Name I/O Function45 NC O NC46 NC O NC47 VOXIN I VOX level input48 CVDET I VCO voltage detection49 LSDO O Low speed data output50 HSDO O DTMF/beep output51 BATT I Battery voltage input52 RSSI I RSSI input53 SQL I Squelch input54 LSDIN I LSD input55 THDET I Thermistor input56 CURDET I Current detection57 T/RSHF O VCO shift control58 5VC O 5V control59 NC O NC60 NC O NC61 NC O NC62 TYPE2 I Destination selection 263 TYPE1 I Destination selection 164 5RC O 5R control