Do the pin numbers of the schematic symbol match the pin numbers of the pcb module. If the transister uses pins 1, 2, and 3, the module MUST use pins 1,2, and 3. If the schematic symbol uses B, C, and E, then the module MUST also use B, C, and E.
Dave - WB6DHW <http://wb6dhw.com> > High, again me! > > I did follow Andy's advice and followed 3 times the tutorial, with good > results. I'm feeling more familiar now with Kicad. But.... > > Now I restarted with my own (of course more complex..) project. I fixed all > ERC problems (result is 0 errors) and started to check for the missing > airwires in the board with funny results. Let's take out one example: > > In the scematic there are 10 transistors BC550 (Q1-Q10). All transistors have > no airwires. I let Q1-Q5 unchanged and changed only Q6-Q10 to "TO92" kicad > footprint, reloaded the partslist and: ALL transistors had airwires!?!?! > > Now I changed Q1-Q10 back to transistors-npn-TO92 from the imported > eagle-libs. Result: Q1-Q8 had airwires, Q9 and Q10 not!?!?! Very funny. I > tried it with the latest 2008-version and compiled the newest 2009 stable, > with the same results. > > At my point of view there are 2 possible reasons for this behaviour: kicad > bug or a general fault with in the sch-file. > > Does anyone have a tip for me?? > > Thank you for any help! > > Nukem36 >
