Kenwood NX-820 Service Manual
Also see for NEXEDGE NX-820: Instruction manualTechnical detailsInstruction manualInstruction manualQuick start guide
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NX-82091TERMINAL FUNCTION / 端子功能TX-RX unit (X57-8240-13)Pin No. Name I/O FunctionCN514 (to Display unit CN1)1 SB O Battery voltage DC supply2 SB O Battery voltage DC supply3 SP– O Speaker output –4 SP– O Speaker output –5 SP+ O Speaker output +6 SP+ O Speaker output +7 BLC O LCD backlight control signal output8 MBL O MIC backlight control signal output9 RLED O Red LED control signal output10 GLED O Green LED control signal output11 BLED O Blue LED control signal output12 GND - Ground13 GND - Ground14 GND - Ground15 EMG I Emergency key detection16 GND - Ground17 NC - No connection18 50C O 5V DC power supply19 LCDDI O LCD data output20 LCDCE O LCD enable output21 LCDCL O LCD clock output22 LCDDO I LCD data input23 GND - Ground24 GND - Ground25 MIC I MIC signal input26 ME - MIC ground27 HOOK/RXD I HOOK/PC serial data28 PTT/TXD I/O PTT/PC serial data29 MKEY I/O MIC data detection30 POWER I Detection input of power switch收发单元 (X57-8240-13)管脚号码 名 称 输入 / 输出 功 能CN514 ( 至显示单元 CN1)1 SB 输出 电池电压 DC 电源2 SB 输出 电池电压 DC 电源3 SP– 输出 扬声器 -4 SP– 输出 扬声器 -5 SP+ 输出 扬声器 +6 SP+ 输出 扬声器 +7 BLC 输出 LCD 背光控制信号8 MBL 输出 MIC 背光控制信号9 RLED 输出 红色 LED 控制信号10 GLED 输出 绿色 LED 控制信号11 BLED 输出 蓝色 LED 控制信号12 GND - 接地13 GND - 接地14 GND - 接地15 EMG 输入 EMG 键16 GND - 接地17 NC - 未连接18 50C 输出 5V DC 电源19 LCDDI 输出 LCD 数据20 LCDCE 输出 LCD 启用21 LCDCL 输出 LCD 时钟22 LCDDO 输入 LCD 数据23 GND - 接地24 GND - 接地25 MIC 输入 MIC 信号26 ME - MIC 接地27 HOOK/RXD 输入 HOOK/PC 串行数据28 PTT/TXD 输入 / 输出 PTT/PC 串行数据29 MKEY 输入 / 输出 MIC 数据检测30 POWER 输入 电源开关的检测 |
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