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Re: Icom IC-910H audio out on mic connector



Ron,
   there is audio out on pin 8 but it is a low level output for a TNC, you would
have to use a audio amp to kick it up to drive headphones.

73
Kevin WA6FWF


----- Original Message ----- 
From: "Ronald G. Parsons" <w5rkn@amsat.org>
To: "amsat-bb" <amsat-bb@amsat.org>
Sent: Thursday, October 30, 2008 3:01 PM
Subject: [amsat-bb] Icom IC-910H audio out on mic connector


>I plugged in my Heil headset which I use on my Icom IC-756 into the mic connector on my Icom IC-910H. I got no audio output on the 
>headset with any SET option that seemed to apply.
>
> I reported this to Heil and got the following reply:
> "Yes, Ron, they removed the RX audio from this one model, and we're not sure why!
> No menu thing is available, but there may be a jumper or something inside that Icom can help you find.
> Sorry about this--it caught us by surprise, as well, that they would change this one model."
>
> The schematic shows a signal AFO going to pin-8 of the Mic connector and the pinout on page 15 of the manual shows "AF OUT (varies 
> with [AF]) on pin 8.
>
> Has anyone used the audio output from the mic connector? Was there any "trick?"
>
> Ron W5RKN
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