I find that a hard CPU reset is usually good procedure when things start
failing. Sometimes it will fix it, sometimes it won't but it can never hurt to
try.
73s John AA5JG
--- On Sun, 5/30/10, Les Rayburn <les@highnoonfilm.com> wrote:
> From: Les Rayburn <les@highnoonfilm.com>
> Subject: [VHFcontesting] Bill Pasternak, WA6ITF Is My Hero! (Icom 746 Pro
> Repair)
> To: "William M. Pasternak" <newsline@ix.netcom.com>, "VHF Contesting List"
> <vhfcontesting@contesting.com>, "VHF List Non-Contest"
> <vhf@w6yx.stanford.edu>, IC746@yahoogroups.com
> Date: Sunday, May 30, 2010, 5:01 PM
> On Bill Pasternak, WA6ITF's advice, I
> checked all the software setting that
> can affect the microphone circuitry for the Icom 746 Pro.
> Nothing was amiss,
> but it made me think about "radio = computer" these days,
> and figuring I had
> nothing to lose, I did a hard reset of the internal CPU.
>
> This wipes out all the memories, but I have those backed up
> on the computer
> and they can easily reloaded.
>
> I powered back up the radio, and my transmit audio via the
> font panel was
> instantly restored! Bill, you rock! Thank you so much for
> the suggestion. My
> contest is saved.
>
> 73,
>
> Les Rayburn, N1LF
> EM63nf
>
>
> --------------------------------------------------
> From: "William M. Pasternak" <newsline@ix.netcom.com>
> Sent: Sunday, May 30, 2010 4:29 PM
> To: "Les Rayburn" <les@highnoonfilm.com>
> Subject: Re: [VHF] Recommendations for "quick turnaround"
> Icom 746-Pro
> Repair
>
> > Les,
> >
> > Before you do anything else, get out the manual and
> check to see if by
> > chance you did not accidently mute the front panel mic
> input. I kind of
> > remember that on some Icom radios this is possible to
> do. Its kind of
> > rare
> > that a mic input circuit goes bad in a piece of two
> way gear so Id check
> > for a software (or hardware) switch being incorrectly
> set before anything
> > else. Let me know.
> >
> > de
> > Bill P. / WA6ITF
> >
> >
> > At 04:04 PM 5/30/2010 -0500, you wrote:
> >>Fate is a cruel mistress. Friday brought my
> long-awaited 6 Meter VUCC
> >>Award,
> >>earned using only indoor antennas. And Sunday
> morning brought reports of a
> >>2
> >>Meter E-Skip opening, and strong signals on the
> Magic Band. Just when it
> >>all
> >>seemed within my reach---disaster strikes.
> >>
> >>My Icom 746 Pro has developed a problem with the
> front panel microphone
> >>input
> >>circuitry. Signals from WSJT or my voice keyer
> software fed to the rig via
> >>the
> >>rear panel ACC(1) jack work fine, but nothing via
> the front panel mic
> >>input
> >>produces output.
> >>
> >>I've swapped mic's, so it's for sure internal to
> the rig.
> >>
> >>With the ARRL VHF Contest closing in, I need to get
> the rig repaired and
> >>fast.
> >>Any recommendations on a fast shop to send it to?
> >>
> >>73,
> >>
> >>Les Rayburn, N1LF
> >>EM63NF
> >>------
> >>Submissions:
> vhf@w6yx.stanford.edu
> >>Subscription/removal requests: vhf-request@w6yx.stanford.edu
> >>Human list administrator:
> vhf-approval@w6yx.stanford.edu
> >>List rules and information:
> http://www-w6yx.stanford.edu/vhf/
> >
> >
>
>
>
> >
> > No virus found in this incoming message.
> > Checked by AVG - www.avg.com
> > Version: 9.0.819 / Virus Database: 271.1.1/2906 -
> Release Date: 05/30/10
> > 04:21:00
> >
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