Populating the PC board
Make sure to properly identify each of the components,
locating them on the layout and on the parts list
included in these instructions. Do not remove the LEDs
from their individual packets until you are ready to
mount them, as they are color-coded.
To simplify the process of populating the PCB, we highly
recommend mounting the LEDs first. The LEDs are not
labeled on the board, so follow the pattern to the right.
Note that all the LEDs are oriented with the cathode to
the right, meaning the shorter lead on each LED goes
to the right.
LED1 is mounted at the very top of the board to
illuminate the ball on his cap. The rest of the LEDs can
be mounted however you like, but we recommend using
the pattern to the left for the best results.
Once you have
all of the LEDs
soldered and
trimmed, flip the
board over and
start populating the board with the lower profile
components. In this case, they will be the resistors
R2-R9. Next, mount C2 and C3.
Now, mount the socket for IC2, orienting the arc to
align with the arc on the silkscreen. Now, you can
mount PB1 and C1. Note the orientation for C1. The
positive lead is the longer lead and should match up
with the “+” on the PC board.
Finally, mount SPK1 and battery holder BAT1 again
noting the orientation of each device. SPK1 is marked
on the bottom with a “+” symbol.
You are now ready to insert IC2 into the socket. Use
caution when handling the IC, as it is static sensitive.
Orient IC2 such that the arc on the IC aligns with the
arc on the socket and carefully press the IC into place.
Do not force it as you can bend the pins. If necessary,
bend the leads inward by holding the IC at each end
and gently pressing the pins against a flat surface.
