Bill and Will's Synth Construction
Attaching PCB to Classic MOTM Bracket
Detail Photos

In all of Paul Schriber's user guides, he details how to install the PCB to the bracket and then to the front panel.  Here are detailed photos we took of our process for doing this during construction of our MOTM 420 filter:


the mounting bracket with screws, nuts, and spacers

   
 

We start at the bottom corner nearest the bracket - the bottom right
  1. place a spacer on the bracket
  2. put a screw through the pcb
  3. lift the pcb over the spacer so the screw plunks down into it
  4. then slide it over so the screw slips into the hole in the bracket
  5. holding the screw in place, we pick up the bracket
  6. fit a keps nut over the screw and tighten just enough to hold the screw in but leave the pcb quite loose

   
 

Then we do the top one near the bracket - the top right
  1. we rotate the pcb back a bit and place a spacer on the bracket in the arc of that rotation
  2. rotate the pcb back over the spacer
  3. slide a screw into the hole and therefore into the spacer
  4. rotate the pcb sliding the spacer and screw over the hole in the bracket
  5. holding the screw in place, we pick up the bracket again
  6. fit a keps nut over the screw and tighten just enough to hold the screw in but still leave the pcb quite loose

     

Then the bottom left
  1. we lift the pcb a bit and slide a spacer underneath the hole (we used pliers to hold the spacer)
  2. drop in a screw
  3. holding the screw in place, we pick up the bracket again
  4. fit a keps nut over the screw and tighten just enough to hold the screw in but, again, leave the pcb quite loose

   
 

and the top left
  1. same routine - lift the pcb a bit and slide a spacer underneath the hole
  2. drop in a screw
  3. holding the screw in place, we pick up the bracket again
  4. fit a keps nut over the screw and tighten just enough to hold the screw in but, you guessed it, leave the pcb quite loose

 
we put nuts onto the pots - just finger tight

 

slide the pots and bracket into place and screw down the bracket with  keps nuts


nuts now go on the front of the pots finger-tight - this holds the pcb snug against the panel


and the pcb gets tightened to the bracket

 
so now - anywhere there's a gap between the inside-pot-nut and the panel, the nuts get tightened back against the panel


and the outside pot nuts get tightened - this way the outside nuts are actually tightened against the inside nuts rather than against the pots, see?

 

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