Homebrew PCBs

when it gets in a screwed up state, I just rename the schematic and 
start over with a new board.  keep the old one around for 
reference.   Yes, I know it wastes effort but once you know parts 
plaement, its not hard to get back to where you were quickly.

--- In Homebrew_PCBs@yahoogroups.com, "Robert Ussery" 
<uavscience@f...> wrote:
> Yeah, Eagle can be screwy sometimes.
> I don't think I've encountered exactly your problem, but I've only 
been
> using Eagle for a month. My only suggestion would be to totally 
delete the
> part in the schematic and add a new one. This isn't as bad as it 
sounds,
> since all the connections should remain in place. Just make sure 
that they
> all get re-connected. This often requires moving the part and nets 
more than
> once in the schematic.
> Good luck!
> 
> - Robert
> 
> >-----Original Message-----
> >From: joshdewinter [mailto:joshdewinter@y...]
> >Sent: Wednesday, February 11, 2004 8:58 PM
> >To: Homebrew_PCBs@yahoogroups.com
> >Subject: [Homebrew_PCBs] You guys are good...how about another 
Eagle one?
> >The case of missing components
> >
> >  Thanks a lot Robert.  So thhhhaaaats what that Net class menu is
> >for!
> >  I don't mean to flood the group with questions specific to a 
layout
> >program, but everyone here is so good.  I hope more people can
> >bebefit from these.  Maybe I'll make a little mini-tutorial as an
> >alternative for newbies like myself who find software manuals to be
> >kryptonite once I get everything figured out.
> >
> >  I've got another one.  I just dug a hole I can't figure out how 
to
> >get out of...I noticed something in my circuit I wanted to change,
> >yet I was already routing, so I stopped the autorouter in mid-
route.
> >I then removed a component from my schematic.  After that, I 
noticed
> >the router was still half-done, so I went back to the board and 
told
> >it to "End Job".  When I did, it somehow magically replaced the
> >component I had just removed, restoring the board to the way it was
> >when routing had started, but here's the bad thing...the component
> >was still missing from the schematic.  I then promptly got the 
error
> >message that the schematic and boards didn't match, that no
> >forward/backward annotation would be allowed, and that my first 
born
> >children would be found and executed.  Okay not really...just the
> >first parts.
> >  I noticed though that the part it replaced wasn't wired up (when 
I
> >say "wired up", I mean it didn't have the straight little yellow
> >unrouted lines between it and the other components it should be
> >connected to).  When I went to the schematic and replaced the part,
> >then went back to the board, it still wasn't wired.  So, I deleted
> >the component from the board and the schematic.  I then replaced 
the
> >component with a brand new one on the schematic, BUT, and here's 
the
> >bug butt, it nor any others will show up on the board now.  (It was
> >serious about the forward/backward annotation thing).  How do you
> >restore that function once you've gotten it out of sync?
> >
> >Thanks a million again
> >
> >Josh DeWinter
> >Pullman, WA
> >
> >
> >
> >
> >Be sure to visit the group home and check for new Bookmarks and 
files:
> >http://groups.yahoo.com/group/Homebrew_PCBs
> >Yahoo! Groups Links
> >
> >
> >
> >