ICOM艾可慕Icom_HM-36_电器原理图

PANEL DESCRIPTION 2■Microphone(HM-36)·DESCRIPTIONMICROPHONE CONNECTOR(Front view)B Main readout AF output(varies with [AF])①Microphone input⑦GND(Microphone ground)②+8 V DC output⑥GND(PTT ground)③Frequency up/.down⑤PTT4Main readout squelch switch[MIC]FUNCTIONDESCRIPTIONPin No.UP/DOWN SWITCHES [UP]/[DN]②+8V DC outputMax.10 mAChange the selected readout frequency or memoryFrequency upGroundchannel.③Continuous pushing changes the frequency orFrequency downGround through 470memory channel number continuously.Squelch openLow'level④The [UPy[DN]switch can simulate a key paddle.Squelch closed'High'levelPreset in the CW PADDL in initial set mode.(p.32)CAUTION:DO NOT short pin 2 to ground as this②PTT SWITCHcan damage the intemal 8 V regulator.Push and hold to transmit:release to receiveHM-36 SCHEMATIC DIAGRAMMICROPHONEMICROPHONE CABLE MICROPHONE PLUG4700pMICELEMENTUPPTT RECENE4707