Kenwood TK-863G Service Manual

Also see for TK-863G: Brochure & specs Brochure & specs Instruction manual Brochure & specs

23TK-863GSEMICONDUCTOR DATA Terminal functionPin No. Name I/O Function1 EMGT O External MIC control. Mobile MIC : H2 DTMF O DTMF/BEEP output.3 2TN – Not used.4 DTMSTD I DTMF decode detect. Detect : H5 SIM I Destination select.6 BYTE I +5V (5C).7 CNVSS I GND.8 AFSTB O Base band IC strobe/reset output.9 AFFCLK O Base band IC frame detect reset/system reset output.10 RESET I Reset.11 XOUT O Clock output.12 VSS – GND.13 XIN I Clock input.14 VCC – +5V.15 NC I Pull up.16 MICDAT I/O MIC data input/output.17 AUX3 O Squelch detect output.18 NC – NC.19 OE I Output enable control sift register.20 NC – NC.21 EEPDAT I/O EEPROM data input/output.22 TO O QT/DQT/LTR modulation output.23 AUX1 I External PTT input.24 SFTSTB1 O Shift register strobe output.25 DACSTB O D/A converter enable output.26 PTT I PTT. PTT on : L27,28 NC – NC.29 AUX4 O30 AUX2 I/O31 PA O MIC audio line sw control. PA : H32 KOUT2 O Key scan output 2.33 TXD O Serial data. PTT on : L34 HOOK I HOOK/RXD. On hook : L35 KOUT1 O Key scan output 1.36 KOUT0 O Key scan output 0.37 RDY I Pull up.38 NC – NC.Microprocessor : 30622M4A-410GP (TX-RX Unit IC502)Pin No. Name I/O Function39 HOLD I Not used.40,41 NC – NC.42 RD O READ signal.43 NC – NC.44 WR O WRITE signal.45 LCDCS O LCD chip enable output.46 CNTDAT O Common data output. (LCD,SHIFT REG, VOL, Audio processor)47 CNTCLK O Common clock output. (EEPROM,LCD, SHIFT REG, VOL, Audio processor)48 CSO – Chip select signal.49 A19 – Not used.50~59 A18~A9 – Flash memory address bus.60 ACC – +5V.61 A8 – Flash memory address bus.62 VSS – GND.63~70 A7~A0 – Flash memory address bus.71~73 KIN0~KIN2 I Key scan input.74 MON I [MON] key input. On : L75 SCN I [SCN] key input. On : L76 PLLUL I PLL unlock detect input. Unlock : L77 PLLSTB O PLL strobe output. Latch : H78 MUTE I RX audio mute. Mute : H79~86 D7~D0 – Flash memory data bus.87 PWR (EMG) I [PWR] key input (key interrupt). On : L88 EMG/TXS I Emergency input (key interrupt). On : L89 RFDAT O PLL data output.90 RFCLK O PLL clock output.91 NC – NC.92 RSSQL I Receive signal strength indicator input.93 ANLSQL I Analog squelch level input.94 AVSS – GND.95 TOI I QT/DQT/LTR signal input.96 VREF – Reference voltage input.97 AVCC – +5V.98 DTMPD – Not used.99 DTMCLK – Not used.100 DTMDAT – Not used.