Analogue-sequencer

> if the diode is in backwards, it's either defective or the 
> PCB is wrong...
> the striped end of the diode is at the striped endn of the 
> marking on the
> PCB.

It may be marked wrongly - I've seen one diode with the markings the
wrong way round before, and have heard of other people getting them, so
it's rare, but not impossible. If your meter has a diode testing mode,
I'd verify if the diode is functional.

Cheers,
Colin f