Hey-Hey!!!, A resistor of ~40k across the main filter cap will bleed the voltage fairly quickly. measure twice, touch once. Low impedance inductive/capacitive backed energy storage devices are nothing to be taken lightly.
the bleed resistor is big enough to have an efect on the output voltage of the L-C filter too, which is a nice side benefit.
For setting the CCS, two 9V batteries is more than enough voltage to regualte properly. One will probably be enough, but two is more certain IMO. Set with either the direct mA meter, or by Ohm's Law and a 10R resistor.
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