Purposefully fudged schematics

[Jules Richardson]

Tony Duell wrote:
> I am wondering what the use is of a schematic that contains deliberate 
> errors that are significant enough to stop the machine from working. OK, 
> you can't use it to make a copy, but you surely can't also use it to 
> repair the real machine (what do you do if the faulty part is a section 
> that has errors in the schematics?). 

Yes, I can't figure that either. Surely it just annoys customers, plus incurs 
printing costs for the manufacturer? Why not just not release any schematics 
in the first place?

A very strange practice indeed.  I've seen errors on schematics before, but 
I've not heard of them being deliberate.