tracing out schematics

[Gordon JC Pearce]

Bert Thomas wrote:

> I've read in the past that Tony called someone a whimp cause he said he
> didn't dare to reverse engineer a 4 layer board or something like that. I
> wonder, if _that_ is easy, how does one solve problems like traces that
> run under components? If its a simple and cheap component, it could be
> removed and replaced later.
> 

When I traced out the circuit diagram for my Ensoniq Mirage sampler's 
ailing analogue section, I just measured the DC resistance between two 
points and guessed.  With a bit of thought, you can usually judge what 
makes sense to be connected to what.

Gordon.