Jamie wrote:

You may want to look at capacitors. Especially
tantalums, they short very nicely many times leaving
nothing but ash.

Or worse. I find many times they go short with no visible evidence at all.

I was pushing the boss for a thermal imaging camera for this very purpose,
just apply power till things get warm enough in the right spots to tell what
is shorted.

I thought I had put forward a very good argument for saving time during
repairs that are relatively rare where we were, but he still sadly didn't go
for it... Oh well, I tried.

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