[bars] When is a fuse not a fuse, redux?

TimC k1dc.radio at gmail.com
Mon Oct 16 11:04:20 EDT 2023


Huh -- Learn something new every day.

I don't think this is what I had -- these are the typical glass cylinder 
type.  The fuse in the negative line reads as a short, as expected.

73,

T.

On 16-Oct-23 10:56, KC1SOZ wrote:
> You may be dealing with a fusible resistor.
>
> https://www.elprocus.com/fusible-resistor/#:~:text=A%20fusible%20resistor%20is%20one,the%20event%20of%20an%20overload.
>
> 73,
> KC1SOZ
> Juan
>
>
> On Mon, Oct 16, 2023 at 10:42 AM TimC <k1dc.radio at gmail.com> wrote:
>
>     Almost a year and a half ago my TS-2000 developed a problem with
>     intermittent shutdown that eventually graduated to brick status. 
>     After MUCH troubleshooting the root cause was a power line fuse
>     that had transformed into a 1.2k resistor.  I thought at the time
>     that this was so weird it had to be a one-off.
>
>     Well... now it's a two-off.  My IC-756 did the exact same thing
>     this morning after some heavy FT8 use and sure enough, another
>     fuse->resistor transformation.  Just to be clear, they don't show
>     as open, nor short.  They read ~1k ohm.
>
>     Is this a known/common occurrence or do I live in some weird hole
>     in the universe where these things happen?
>
>     73,
>
>     T.
>     -- 
>
>     Courageously sent from a non-Apple device that /includes/ a
>     headphone jack.
>
>     ------------------------------------------------------------------------
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>
>
>           Tim Carter - K1DC (was KC1RET)
>
>     			
>
>     	+1.978.710.0133 <tel:1.978.710.0133>
>
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-- 

Courageously sent from a non-Apple device that /includes/ a headphone jack.

------------------------------------------------------------------------
<https://k1dc.com/img/k1dc-qsl-card-front.png> 	


      Tim Carter - K1DC (was KC1RET)

			

	+1.978.710.0133 <tel:1.978.710.0133>

	k1dc.radio at gmail.com <mailto:kc1ret.radio at gmail.com>

	https://k1dc.com

"Computers are incredibly fast, accurate and stupid; humans are 
incredibly slow, inaccurate and brilliant; together they are powerful 
beyond imagination." -- /Albert Einstein/

Warning: Spelling errors in this message are the product of a poor 
school system. Pay teachures more than athletes.
IMPORTANT: This email is intended for the use of the individual 
addressee(s) named above and may contain information that is 
confidential privileged or unsuitable for overly sensitive persons with 
low self-esteem, no sense of humor or irrational religious beliefs. If 
you are not the intended recipient, any dissemination, distribution or 
copying of this email is not authorized (either explicitly or 
implicitly) and constitutes an irritating social fauxpas. No animals 
were harmed in the transmission of this email, although the mutt next 
door is living on borrowed time, let me tell you.
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