I'd wonder if careful use of a heat gun on the ICU might recreate the issue
were it caused by heat? (or poor dissipation of heat)

Did you use thermal compound similar-same as type used for computer CPU to
heat sink?

Neil.

On Fri, Feb 23, 2018 at 1:09 PM, OlRivrRat <OlRivrRat@comcast.net> wrote:

>
>
>         I removed the H'C'U' from Its HeatSink & found the Mating Surfaces
> to be Quite Cruddy > Cleaned & Applied a
>
> new coat of HeatSink Compound ~ While it may not have been the cause of
> the issue being addressed, it sure seems
>
> like a Good thing to do for a 33Yr Old Part (aside from replacing it) ~
> Also cleaned It's connector & those of the I'C'U ~
>
>
>               ORR ~ DeanB
>

--
Neil n

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