MODEL D, Calibration

Synthesizers and Samplers
MODEL D
page 6 of 23page 6 of 23
If the A-440 switch is in the ON position, you should hear the tone in your heaphones or main system if you carefully
bring the headphone volume or main volume up.
Now that everything is ready, inspect the bottom surface of the PCB as shown on the next page.
The diagram below shows the Test Points TP1 and TP2 used in the PITCH/CV calibration. Take a look at the PCB and locate these
two test points.
The diagram below shows the adjustment trimpots that are used in the Oscillator and Octave range calibration procedures. Take
a look at your PCB and locate these various trimpots. (The later version of the PCB uses dierent multi-turn trimpots.
DC Voltmeter
DC
Voltmeter
0.001