Survey: Can we repair the electronics of photo devices ourselves?

Andreas Thaler said:

I read that the Minolta (Maxxum) 7000 from 1985 was the first SLR where no one had anymore a complete overview of the entire construction in detail.

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There's a name that ring's the bell...
In 1988 the camera I carted along on a lengthy bushwalk was a Minolta Dynax 9000i (I think it was Dynax, or Maxxum?? )It was my first acquaintance with a camera festooned with (fiddly), small push buttons. Whatever was wrong with that camera didn't particularly endear it to me when I was advised that two rolls of Kodachrome 64 (or 200?) were badly underexposed. Subsequently two further rolls through the camera produced the same results. I was too upset, especially, by the ruination of the record of a one-time bushwalk, than to be bothered with repairing it; sold it for parts and went on to a Canon T90. And that's where the real progress was made.

4season said:

Alkaline batteries leak potassium hydroxide (KOH) - very corrosive.

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It is interesting that some metals are not attacked by the battery electrolyte:

Camera electronics are difficult to replace. First they may have ASIC chip which is impossible to find. Then even with components that you can find electrically equivalent but the form factor just doesn't fit.