Zeppelin Design Labs MACCHIATO Assembly Manual page 13

Mini digital synthesizer
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Now clip each lead with your flush cutters at the solder joint (9).
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Before installing any more components on the circuit board, double-check the resistance values
of each of the installed resistors (10). Set your digital multimeter to the "ohms" or "resistance"
setting, and measure across all of the resistors. Compare the measured value to the listed value
in Table 1 and in Figure 3. Make sure they are all correct (within 1%) before moving on! Note
that the two 1M resistors will measure about 500K because they are in parallel with each other.
3. Power Light (LED): Make a mark on the shorter LED lead 18mm below the LED (11). Locate
the 2mm heat shrink (Part #CB-90-11) and place it over the longer lead of the LED (12); if you
wish, you may shrink it with your soldering iron or a heat gun, but it is not necessary. Install the
LED on the PCB in the spot marked LED. The long lead with the heat shrink goes into the hole
with the square pad. The LED, being a diode, is polarized and must be installed in the correct
orientation. If you get it backwards, the light won't work. Make sure it is standing straight up.
Insert the LED to the mark you made, so the bottom of the LED is 18mm above the PCB. Solder
the short lead from the component side of the board (13). Flip the board over and solder the
longer lead (the square pad) (14).
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