Power Supply Voltage Adjustment

1. Disconnect power source and remove rear cover.
2. Reconnect power and turn unit ON.
3. Connect a 3-1/2 digit digital voltmeter to pins 1A and 2A on the Oscillator (Board 1).
4. Adjust the +10V trimpot on the Power Supply (Board 3) for a reading of +10.00 volts.
5. Connect the voltmeter to pins 2A and 3A on the Oscillator (Board 1).
6. Adjust the -10V trimpot on the Power Supply (Board 3) for a reading of -10.00 volts.
7. Disconnect power and reinstall rear cover.

Source: MINIMOOG — minimoogservicemanual (manual)