Kenwood NXR-700H Service Manual

NXR-700H43Final Unit (X45-3852-70) (A/5)Pin No. Name I/O FunctionCN1 (To X56-311 A/3 CN802)1 TX SIGNAL I TX driver input signal (Coaxial)CN2 (To X45-385 C/5 CN29)1 SB I Power supply inputCN81 - O 5V supply output for FAN2 - - GroundCN191 MONITOR O Receive signal input (Coaxial)CN20 (To X56-311 A/3 CN806)1 GND - Ground2 GND - Ground3 NC - No connection4 GND - Ground5 PA_CURR O Power module current monitor6 GND - Ground7 FAN_CURR O FAN current monitor8 GND - Ground9 FWD_PWR O TX Forward power detection10 GND - Ground11 RFL_PWR O TX Reflect power detection12 GND - Ground13 PWR_PRT I TX power protection14 GND - Ground15 PWR_CONT I TX power control16 GND - Ground17 FAN_CONT I FAN1 control18 GND - Ground19 FAN_CONT2 I FAN2 control20 GND - Ground21 TEMP_RST I Reset input for temperature detect IC22 GND - Ground23 ANT_SW I Antenna switch24 GND - Ground25 TEMP_PRT O High temperature detect26 D_GND - Digital ground27 CONT_5.0V I Switched 5V supply28 D_GND - Digital ground29 SCL I Clock input for EEPROM30 D_GND - Digital ground31 SDA I/O Data input/output for EEPROM32 D_GND - Digital ground33 GND - Ground34 WP I Write protection input for EEPROMTERMINAL FUNCTION / 端子功能末级单元 (X45-3852-70)(A/5)管脚号名称输入 / 输出功能CN1( 至 X56-311 A/3 CN802)1 TX SIGNAL 输入 TX 驱动器输入信号 ( 同轴 )CN2( 至 X45-385 C/5 CN29)1 SB 输入电源输入CN81 - 输出 FAN 的 5V 电源输出2 - - 接地CN191 MONITOR 输出接收信号输入 ( 同轴 )CN20( 至 X56-311 A/3 CN806)1 GND - 接地2 GND - 接地3 NC - 未连接4 GND - 接地5 PA_CURR 输出功率模块电流监视器6 GND - 接地7 FAN_CURR 输出 FAN 电流监视器8 GND - 接地9 FWD_PWR 输出 TX 前向功率检测10 GND - 接地11 RFL_PWR 输出 TX 反射功率检测12 GND - 接地13 PWR_PRT 输入 TX 功率保护14 GND - 接地15 PWR_CONT 输入 TX 功率控制16 GND - 接地17 FAN_CONT 输入 FAN1 控制18 GND - 接地19 FAN_CONT2 输入 FAN2 控制20 GND - 接地21 TEMP_RST 输入温度检测 IC 的复位输入22 GND - 接地23 ANT_SW 输入天线开关24 GND - 接地25 TEMP_PRT 输出高温检测26 D_GND - 数字接地27 CONT_5.0V 输入开关 5V 电源28 D_GND - 数字接地29 SCL 输入 EEPROM 的时钟输入30 D_GND - 数字接地31 SDA 输入 / 输出 EEPROM 的数据输入 / 输出32 D_GND - 数字接地33 GND - 接地34 WP 输入 EEPROM 的写保护输入