Erica Synths EDU DIY Mixer Eurorack Module Kit - Manual (Page 42)

42
Now your PCB should look like this.
Then complete the component side of the
Mixer PCB by soldering the PSU socket and
multiturn trimmer potentiometer. Make
sure the orientation of the socket is as shown
in the picture below – the arrow pointing to
the first pin is aligned with a notch on the
silkscreen. The key on the socket will be
facing inwards the PCB. Now your PCB
should look like this: