[sdiy] Importance of electrical test at PCB manufacturing?

[Colin f]

> One thing I have done in the past, when a proper test point 
> is not available, is to pull up the design files and locate a 
> via which will give me access to the point in circuit. With 
> more complex boards there is almost always a via to tap in at...

Was just about to say the same thing...
I would add putting a silkscreen label next to vias that carry potentially
useful troubleshooting signals will only cost you a few minutes when laying
out a board, and could make life much easier at repair.

Cheers,
Colin f