Microphone Connector; Schematic Diagram - Icom IC-756 Instruction Manual

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@ UP/DOWN SWITCHES [UP]/[DN]
Change the selected readout frequency or memory
channel.
- Continuous pushing changes the frequency or memory
channel number continuously.
- While pushing [XFC], the transmit readout frequency
can be controlled while in spilt frequency operation.
- The [UP]/[DN] switch can simulate a key paddle. Preset
in the keyer set mode. (p. 35)
e MICROPHONE CONNECTOR
(Front panel view)
Main readout AF output
(varies with [AF]{BAL])
Mi hone input
© Microphone inpu ZAIN @ GND
jo | eK (Microphone ground)
@ +8 V DC output ———,*) $ "~— © GND (PTT ground)
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@) Main readout squelch switch
¢HM-36 SCHEMATIC DIAGRAM
MICROPHONE
PANEL DESCRIPTION 1
@ PTT SWITCH
Push and hold to transmit; release to receive.
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Y CAUTION: DO NOT short pin 2 to ground as this
% can damage the internal 8 V regulator.
MICROPHONE CABLE MICROPHONE PLUG