Kenwood NXR-800 Service Manual

Also see for NEXEDGE NXR-800: Brochure Instruction manual Instruction manual Instruction manual Instruction manual

Contents

NXR-80037CONTROL I/O 25 pin D-sub ConnectorPinNo.PinName I/O SignalTypeModifi-cation Description/ Port Type1 NC - - Default -O Digital Land short RSSI2 NC - - No -3 NC - - No -4 AI1 I Digital No Programmable FunctionInput 1/ CMOS5 AI2 I Digital No Programmable FunctionInput 2/ CMOS6 AI3 I Digital No Programmable FunctionInput 3/ CMOS7 DG - GND No Digital GND8 TD I Analog No TX Data Input (signaling)9 TA I Analog No TX Audio Input (voice)10 RD O Analog No RX Data Output (signaling)11 RA O Analog No RX Audio Output (voice)12 RXG - GND No RX Signal GND13 SPM I Digital No Speaker Mute/ CMOS14 BER_CLK O Digital No for Bit Error Rate Clock15 EMON I Digital No External Monitor Switch16 EPTT I Digital No External PTT Switch17 SC O Digital No Squelch Control18 BER_DAT O Digital No for Bit Error Rate Data19 TXG - GND No TX Siganl GND20 IO1 I/O Digital No Programmable Function I/O 121 IO2 I/O Digital No Programmable Function I/O 222 IO3 I/O Digital No Programmable Function I/O 323 IO4 I/O Digital No Programmable Function I/O 424 IO5 I/O Digital No Programmable Function I/O 525 IO6 I/O Digital No Programmable Function I/O 6LANPinNo.PinName I/O SignalTypeModifi-cation Description/ Port Type1 TD+ O Analog No TX Siganl +2 TD- O Analog No TX Siganl -3 RD+ I Analog No RX Siganl +4 NC - - No -5 NC - - No -6 RD- I Analog No RX Siganl -7 NC - - No -8 NC - - No -TERMINAL FUNCTIONPin No. Name I/O Function24 K1 O Key Scan25 K2 O Key Scan26 K3 O Key Scan27 K4 I Key Scan28 K5 I Key Scan29 DC8 I 8V Power supply30 GND - Ground31 50MPU I Switched 5V power supply32 50MPU I Switched 5V power supply33 DC8 I 8V Power supply34 DC8 I 8V Power supply35 GND - Ground36 DC8 I 8V Power supplyCN923 (To X45-382 E/5 CN905)1 VOLUME_IN I Volume control input for AF signal2 33MPU O Switched 3.3V power supply3 GND - Ground4 33AUD O Switched 3.3V power supply5 SB O Power supply output6 SCM_EN - No connection7 GND - Ground8 PTT_TXD_SCM I MIC PTT9 HOOK_RXD_SCM I HOOK detect signal10 MIG - MIC ground11 MIC I MIC signal inputTX Unit (X56-3120-10) (C/3)Pin No. Name I/O FunctionCN960 (To X56-312 B/3 CN920)1 DC8 I 8V Power supply2 GND - Ground3 50MPU I Switched 5V power supply4 STB I Shift Register Strobe5 SR_OE I Shift Register Output Enable6 SR_CLK I Shift Register Clock7 SR_DATA I Shift Register Data8 LED1 I D960 segment “F” control9 GND - Ground10 LED10 I D961 segment “F” control