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Install volume control R80 (marked A10K) to the pads marked "VOLUME" using discarded
leads from previously installed components as shown in the next figure.
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Install the SPKR jack, using the rear terminals, to the pads marked "SPKR" using discarded
leads from previously installed components as was done above. Other controls will be installed
on a temporary basis similar to these two elements. Once the rig is completed and working,
these parts will be removed and rewired when the PCB and controls are installed in the case.
Your PCB should look like that shown in the next figure.
Test – Connect a speaker or headphones to the "SPKR" jack. Apply power to the board. Rotate
the volume control fully clockwise and touch the center pad of the pad set marked "VOLUME";
- Figure 4 -
- Figure 5 -
6
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