IG7 Page 18
10. Install D1, the LED. Note that this is one of the exceptions to the rule,
you want to leave the leads as long as possible! You want the LED to
stand up at least 3/4” off of the board when you solder it in place. We will
later bend over the leads so that the LED will poke its little head out of the
front panel pipe assembly board. Remember, LEDs are diodes, they will
only work if installed in the correct orientation! Notice that one lead is
longer than the other and that there is a small flat edge on one side of the
epoxy case. This indicates the Cathode. An indication of the flat side
orientation on the silk screen helps you line up the LED on the PC board.
11. Install J1, the 2.1 mm power jack.
12. Time to mount the Ion Generator (PS1) high voltage supply. You will
be mounting the Ion Generator on the top side of the board (the same
side as the silk screen). Make sure to orient it so that the wires are
pointing to the same side of the board that the power connector is on. Use
the two #4 self tapping sheet metal screws to affix it to the PC board.
13. Let’s begin wiring up the Ion Generator now. The silk screen on the
board has been labeled to show the function of the individual wires.
14. Solder the black wire into the hole marked GND PWR. To do this,
make sure the wire is stripped and tinned (if not done already) and placed
through the hole then soldered on the bottom side of the board.
15. Solder the thin white wire to the hole marked GND HV. This is the high
voltage return wire and it is the same thickness as the black wire.
16. Solder the red wire into the hole marked +12V. This is the power to
the Ion Generator.
17. You should have the thicker high voltage wire left to attach at this
point. We will solder this to the nail board later.
18. Using the four L brackets, the next step will be to mount the pipe
board and the nail board to the main PC board.
19. Using four of the #4 x 3/16” screws, mount the L brackets to pipe
board (front side) and the nail board (back side) in the bottom corners.
Note the copper side of the two boards should be facing the Ion Generator
module. These brackets will mate-up with the holes on the main board
and allow you to experiment with the positioning of the nail elements.
20. Use four #4 x 3/16” screws to mount the L brackets to the main board.
Use the two holes on the very end of the main board for one set (these
are the mounts for the pipe board marked M3 and M4). Use the other two
in the two holes marked M1 and M2. These are the standard board
positions.
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