On Sun, 22 Sep 2019 12:34:22 +0100, Stephen Wolstenholme wrote:

Any component can have thermal problems. I would check the ones that
feel hot after a few minutes.

Normally I would go around with a can of freezy spray and dob various
parts of the board looking for the fault to go away, but sadly in this
case it's not possible as the board in question is one of these slot-in
types that are inaccessible to investigation when the instrument is under
power.





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