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1. tack-solder two corner pins
2. Make sure that socket lies flush.
3. If the socket isn’t flush, then melt one or the other of the tack soldered corner pins
to get the socket flush to the board.
4. Finish soldering the balance of the 20 pin socket pins.
Components to be installed later
C7, C8, and C13 will be installed in a later step (along with C2), after you’ve installed all
the components on the other side of the controlled PCB.
Locations that remain unpopulated
No component is installed in the P9 location.
You’ve Finished this Side of the Controller PCB for Now
Most of the remainder of the components will be installed on what has until now been the
solder side of the board. We will return to this side of the board later to install the last few
components.
Install the Push Buttons
Now it’s time to flip the PCB over and install the components that install from the other
side. You’ll be installing components into the side of the board whose silk screen is
shown in Figure 25.
Orient the pushbuttons correctly by matching the flat side of the push button to the flat
side of the silk screen. Make sure that each button sits flat against the PCB.
Figure 25-Switch and LED side of Controller Board
Important! Install all the LEDs, D1-D15 with the same orientation!
Note: All the LED’s install with the same orientation, Anode Left, Cathode Right
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