[ICOM] Icom 756PRO Noise Blanker help

John Geiger af5cc2 at gmail.com
Thu Jun 23 17:30:07 EDT 2016


WIll have to look into that.

On Wed, Jun 22, 2016 at 10:38 PM, KD7JYK DM09 <kd7jyk at earthlink.net> wrote:

> : Thanks for the idea. I turned off the noise reduction but it did the same
> : thing anyways.
>
> Another thing came to mind...
>
> Has the radio been jarred or bumped hard or have you been fiddling around
> inside?
>
> Several years ago I had a request to change out a damaged audio output jack
> on the back of a 756PRO.  The fellow bought the part, even a Metcal
> soldering station for me to use, said it was cheaper than shipping the
> radio
> to a repair shop.  I carefully removed what I needed to get to the jack,
> maybe a board or two, I recall unplugging some ribbon cable and some small
> gray co-ax.  I did the repair, replaced everything, but forgot to plug in
> one little co-ax.  If I recall correctly, it had something to do with the
> IF
> section for SSB.  He fired up the rig, put it through it's paces,
> everything
> worked except SSB which had a hollow, airy, howling type noise that got
> worse when the volume was turned up with no change in sound when other
> settings were changed.
>
> Kurt
>
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