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Repeat the process for all of the pads that still have wires soldered to them until the board is free
of wires and all holes are open.
Your PCB should look like that shown in the next figure. (Ignore the fact that the Key pad holes
still contain solder – it was a slight oversight by the author. :-o)
Final PCB Wiring
This step will add the wires to the PCB that connect to the external controls.
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RIT (R53) - Cut 8 1/2 inch pieces of wire in colors Red, White, and Green. Strip 1/8 inch of
insulation from each end and carefully tin. Solder the Red wire to the RIT left pad, the White
wire to the RIT center pad, and the Green wire to the RIT right pad.
Your PCB should look like that shown in the next figure.
- Figure 47 -
40
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