"The Daring Dufas" wrote in message
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I've obtained a lot of electronic stuff for free that only
needed simple repairs. I get computer mother boards that
cost $100.00 new and all they need is a keyboard fuse that
is easy (for me) to replace. A lot of people who claim the
title "service technician" have no idea how to repair a
circuit board. Many of the problems I see with modern gear
are caused by cold solder joints on the circuit boards.

TDD

If you are doing it for yourself and do not count your time that is fine.
If you are paying someone to repair it, you are looking at around $ 50 or
more per hour labor. It may take several hours to get everything set up, do
the repairs and test out the finished results.
I used to do some repairs and still do on equipment that does not have the
smd or other components that take special equipment to work on.