Kenwood TK-8102 Service Manual

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TK-810221SEMICONDUCTOR DATA■ Terminal FunctionPin No. Name I/O Function1 QT/DQT O QT/DQT output.2 DTMF/MSK O DTMF/MSK/BEEP output3 PLLE O PLL IC chip select.4,5 NC I6 GND - GND.7 CNVSS - CNVss for flash.8 EVLLD O E-volume LD.9 BSHIFT O Beat shift.10 RESET - Reset.11 XOUT - X’tal (14.318MHz).12 VSS - GND.13 XIN - X’tal (14.318MHz).14 VCC - +5V.15 GND - GND (Input only).16 NC I17 POWER I Power key input.18 INT I μcom stop.19 NC I20 TX/RX O TX/RX.21 UL O PLL unlock detect.22~25 NC I26 EEPWP O EEPROM write protect27 EEPCK O EEPROM clock (N ch open drain).28 EEPDT I/O EEPROM data (N ch open drain).29 FNC1 I/O Function P1/TxD for flash.30 FNC2 I/O Function P2/RxD for flash.31 CLKFLS I SCLK for flash.32 BSYFLS O Busy for flash.33 TXD O To FPU.34 RXD I From FPU.35 PTT I PTT key.36 HOOK I Hook.37,38 NC I39 EMPFLS I/O EPM for flash.40~42 NC I43 FNC3 I/O Function port 3.44 CEFLS I/O CE for flash.45,46 FNC4, FNC5 I/O Function port 4, 547,48 FNC7, FNC6 I/O Function port 7, 6.49 FNC8 I/O Function port 8.50 AFM O AF mute.51 SPM O Speaker mute.Pin No. Name I/O Function52 AMPSW O AF AMP switch.53 DT O Common data.54 CK O Common clock.55,56 NC I57~59 DST1~DST3 I Destination 1~360 VCC - +5V.61 NC I62 VSS - GND.63 NC I64 NARROW O65 WIDE O66~68 NC I69 CL O Clock for LCD.70 CE O Chip enable for LCD.71 DI O Transfer data to LCD.72 IGN I Ignition.73 MICMT1 O Mic 1 mute.74 MICEM O Mic 2 mute.75 MICMT2 O Mic 3 mute.76 8RC O 8R control.77 8TC O 8T control.78 CM I/O Mic key check.79~81 NC I82 SBC O Battery switch.83 KMI2 I Key matrix 2.84 KMI1 I Key matrix 1.85 KMI3 I Key matrix 3.86 KMI4 I Key matrix 4.87 NC I88 SIGNAL I DTMF/QT/DQT input.89 TEMP2 I Temperature 2.90 TEMP1 I Temperature 1.91 BATT I Battery voltage.92 RSSI I RSSI input.93 SQIN I Squelch input.94 AVSS - GND.95 NC I96 VREF - +5V.97 AVCC - +5V.98 NC I99 KMO1 O Key matrix output 1.100 KMO2 O Key matrix output 2.Microprocessor : 30622MAA-B87GP (TX-RX Unit IC101)