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                           AeroElectric-List Digest Archive
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                     Total Messages Posted Thu 09/16/21: 1
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Today's Message Index:
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     1. 06:21 AM - Re: AeroElectric-List Digest: 1 Msgs - 09/15/21  (Janet Amtmann)
 
 
 
________________________________  Message 1  _____________________________________


Time: 06:21:25 AM PST US
From: Janet Amtmann <jgamtmann2@gmail.com>
Subject: AeroElectric-List: Re: AeroElectric-List Digest: 1 Msgs - 09/15/21

Thanks Bob, for your analysis.  Makes me much more confident about plugging
the radio back into the panel and having communication while flying off my
hours.  J=C3=BCrgen Amtmann

On Thu, Sep 16, 2021 at 12:46 AM AeroElectric-List Digest Server <
aeroelectric-list@matronics.com> wrote:

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>                            AeroElectric-List Digest Archive
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>                      Total Messages Posted Wed 09/15/21: 1
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>      1. 01:00 PM - Re: COM radio failure  (Robert L. Nuckolls, III)
>
>
> ________________________________  Message 1
> _____________________________________
>
>
> Time: 01:00:38 PM PST US
> From: "Robert L. Nuckolls, III" <nuckolls.bob@aeroelectric.com>
> Subject: Re: AeroElectric-List: COM radio failure
>
> At 04:50 PM 9/1/2021, you wrote:
>
> >>Bob,
> >>
> >>You answered my question about my inoperative GX65 a couple
> >>of weeks ago. It came back from repair with the failed
> >>component (taped to the chassis) that looks like a small
> >>capacitor, not surface mount. It has burn marks on the side,
> >>I can't imagine how I missed it when I looked over the boards
> >>with a 3X loupe. If I sent it to you, (and where would I
> >>send it?) could you possibly identify how this could have
> >>failed?  I'm assuming that the radio now works, I have
> >>not installed it yet.
>
>    Got a chance to look over the fried capacitor you
>    sent. Yes, the darkened condition is strong evidence
>    of failure (shorted leading to overheating).
>
>    This style of tantalum chip capacitor is almost
>    vintage . . . very early package style that was
>    replaced with a more robust configuration. Yes,
>    it's a surface mounted part. That little pigtail
>    is not the remnant of a lead-wire.
>
>    I suspect that the replacement part was a
>    more modern design but yeah, this was quite
>    probably root cause of the radio failure.
>
>
>    Bob . . .
>
>    Un impeachable logic: George Carlin asked, "If black boxes
>    survive crashes, why don't they make the whole airplane
>    out of that stuff?"
>
>
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>

 

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