3. Fit power supply boards: Fit the power supply boards over the protruding 9mm M3 nylon
screws, and thread on another nylon nut on the top side of each board. Tighten it carefully by
turning the screws from below the board. Take care not to damage the nearby 2x5-pin connector
or BS170 transistors, or any of the delicate SMD components on the power supply boards. The
diode shown is particularly vulnerable.
4. 2x4-pin and 3-pin header
connections: Find the 2x4-pin male
90-degree pin header and 2x3-pin.
Find the matching female connector
sockets (2x4-pin and 2x3-pin). Mate
them with their male pin header
plugs.
QMX assembly Rev 1.00e 44
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