Re: Multilayer board, track tracing?

JB wrote:
[...]
I third that. Much as I commend the spirit of trying to fix everything
yourself that is possible, some things just aren't made to be fixed.
Multilayer circuit boards seem to be one of those things.

I fourth it. I don't bother with repairs that're likely to need that kind of time & effort. You'll invariably lose money on such jobs.

It has been my experience with consumer equipment, that if you can fix it,
the customer will either be poor and can't afford it, or will be genuinely
disappointed because they really wanted the newest, latest gimmick. If you
fix it, they will never return to claim it. Or in one case, brought the
whole family over and while I was distracted, one snuck out with TV and
paperwork and all bolted on queue without paying.

Ouch! That's a new one on me.
My own worst story was the time a pissed off customer pulled a knife on one of our counter staff when he came to pick up his 'warranty' repair laptop & was told that we were going to charge him for what had turned out to be a software problem.[0] I called the cops, then went to the counter to rescue the counter girl & try to calm him down until the cops got there. And no, he didn't get away without paying. ;^)

Always leave the unit disassembled or at least with the back off with wiring
and circuits exposed and settle the invoice before putting it back together.
Thieves don't want to get electrocuted.

Good tip. We used to keep finished jobs on shelves about 5' behind the service counter, so people couldn't just grab & run. That obviously wouldn't be very practical with TVs, of course.

[0] When the guy first booked the machine in for warranty service, I'd warned him that the problem would almost certainly be software, & that he'd be charged if it was.

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