Page 9 of 68 
Section 3: Building the Power Supply PCB 
This section details the process of building the power supply circuit board. Begin by 
carefully emptying the contents of the envelope marked “PR-101 PSU Module” into a 
broad soup bowl, as shown below. In general, you’ll start with the components that lay 
closest to the board, working your way towards the taller components. 
 
Figure 1-Empty the power supply components into a soup bowl 
Component Order 
 
Figure 2-Component side of power supply PCB before loading