Moog Minimoog Operation Manual page 18

(on instruments with serial number 1237 and higher)
As with any fine musical instrument, the Mini Moog may require periodic tuning and adjustment.
Holes in the back panel provide access to internal trim potentiometers for necessary adjustments. DO
NOT ATTEMPT TO REMOVE THE BACK PANEL. This should be removed only by a qualified
service technician.
location of rear panel adjustments
A-440
how to tune the oscillators
1. Turn on POWER switch to allow instrument to warm up for 10 minutes before making adjust-
ments.
2. Set front panel controls as shown in Figure 1 and make sure Pitch Bender Wheel is in center posi-
tion.
4'
0
2' 0
0 0
2' 0
3. Turn on A-440 reference oscillator.
4. Hold down highest A on keyboard, using a pencil or similar device to keep the key depressed
throughout the entire oscillator tuning procedure.
5. Using a small screwdriver with an insulated handle, turn OSCILLATOR 1 high end adjustment
(A) and tune OSCILLATOR 1 using zero beat method two octaves above the reference oscillator.
(Do not touch metal shaft of screwdriver as this will affect tuning).
6. Depress lowest A on keyboard and zero beat one octave below reference oscillator, using OSCIL-
LATOR 1 low end adjustment (B).
7. Set OSCILLATOR 1 range to 32´ and adjust using octave tune adjustment (G) zero beat one oc-
tave below reference oscillator.
Mini Moog Model D Back Panel Adjustments
Filter Pitch K
J Threshold
2
2
2
Figure 1
LO
Osc 1
Osc 2
Osc 3
H
Octave
5 0
0
0 0
0
0 0
HI
B A
D C
F E
G
0 3
0
0 0