[sdiy] Repairability of modern analog synths

[Pete Hartman]

We never figured it out.  Customer system stopped crashing, everyone was
happy. :D

The bad case might have been sent to engineering, but nobody ever heard of
any root cause being done on it.

Pete

On Wed, Oct 21, 2020 at 5:30 AM Miles Stevens <milesstevens89 at gmail.com>
wrote:

> @Pete Hartman <pete.hartman at gmail.com>
>
> Very interesting! Any ideas on why that would be the case? (Pun absolutely
> intended)
>
>
>
> On Wed, 21 Oct 2020 at 15:51, Pete Hartman <pete.hartman at gmail.com> wrote:
>
>>
>>
>> On Tue, Oct 20, 2020 at 11:41 PM Michael E Caloroso <
>> mec.forumreader at gmail.com> wrote:
>>
>>> That was a witch hunt, but it proved the old adage of
>>> troubleshooting... never rule ANYTHING out.  Even MICROPROCESSORS.
>>
>>
>> Hear hear.   When all the other possibilities have been eliminated, the
>> unlikely but still unchanged thing is probably your culprit.
>>
>> My favorite story along these lines is not a synth story, so I'll be
>> extremely brief:  I did field support for Sun Microsystems for several
>> years, and a couple of my peers were called in to troubleshoot an old Sparc
>> Center 1000 (which was like 5 - 8 years old at this point and nearly past
>> its service life).  It would randomly crash.  They replaced EVERYTHING in
>> the box, they reloaded the OS, it still crashed.  The only thing that
>> hadn't been changed was the physical chassis, which had no reason
>> whatsoever to cause the crashes.
>>
>> Guess what part they replaced to fix the problem?
>>
>> Pete
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>
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