Page 27 of 68
6. Wiggle the transformer to make sure it is centered on the dished washer. Rotate
the transformer so the wires point towards the back of the chassis, as this makes
the wires to the power supply PCB lay most naturally.
7. Set the chassis back on its feet. Use the supplied 4-40X0.25” zinc plated (silver
colored) SEMS screws (built-in lock-washer) through the 3 remaining mounting
holes and into the stand-offs mounted in the chassis.
8. Tighten the screw at the back corner of the PCB that was installed in step 4.
Figure 18-Fasten the transformer to the preamp right side wall
Figure 19-Power Supply assembled and installed
Prepare to Test the power supply
Make sure that none of the unconnected ends of the power supply can contact any other
wire. That’s why we left the unconnected ends with their insulation in place. If you have
any doubts, individually tape the unconnected ends to prevent any possibility of short
circuits.
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