User manual MOOG MINIMOOG MODEL D TECHNICAL SERVICE MANUAL

[. . . ] The minimoog MODEL D TECHNICAL SERVICE MANUAL by R. Folkman ¤ ¨ ¤ ¢ ¦ ¨ $ ¡ ¡ # # " ¦ © ¢ ¢ ¦ ¦ © © ¦ ¢ § § ¦ ¦ ¦ ¥ ¥ ¤ ¤ ¨ £ £ ¤ ! ¥ ¥ ¦ ¦ © © © © © ¦ ¦ ¥ ¡ ¤ ¦ ¤ ¦ ¤ ¦ £ ¢ ¥ ¡ ¤ © £ ¤ £ ¥ ¢ © ¡ ¢ ¨ CONTROLLERS ¤ OSCILLATOR BANK MIXER MUSIC INC. the first sound in synthesizers moog -1- ¤ ! © ¢ ¢ ¨ ¡ ¤ ¢ © ¤ ¢ £ £ § MODIFIERS OUTPUT MINI-MOOG Field Service Manual CONTENTS Section I Title Precautionary Measures Sub-assembly Descriptions Block Diagram Trouble Analysis Guide Sub-assembly Locations Cover Removal and Sub-assembly Replacement Adjustment Procedures and Locations Keyboard Maintenance Schematic Diagrams Component Location Charts Replacement Parts Modifications Ordering and Shipping Instructions Service Department Policy Page 2 3 5 6 8 9 10 14 15 16 17 18 19 20 II III IV V VI VII VIII IX X XI XII XIII 7/73 RJF -2- Section I: Precautionary Measures In the Mini-Moog, as in any electrical device, shock hazards exist. [. . . ] Refer to the table below to determine which adjustments must be made according to the board that has been replaced. WHEN REPLACING 93-113 (Board 1) Oscillator 93-114 (Board 2) Contour Generator 93-115 (Board 3) Power Supply MAKE THESE ADJUSTMENTS 1. Turn on MAIN OUTPUT switch and set OUTPUT VOLUME to 8. Set ATTACK and DECAY times to 0, SUSTAIN to 10. Turn FILTER MODULATION and KEYBOARD CONTROL switches off. Set EMPHASIS and AMOUNT OF CONTOUR to 0. Set PITCH WHEEL to center, TUNE control to 0, RANGE switches to 2 ft. , WAVEFORM switches to TRIANGLE. Turn OSCILLATOR MODULATION switch off, and OSCILLATOR 3 CONTROL switch on. Set OSCILLATOR 2 and 3 FREQUENCY controls to mid-position. Connect a short patch cord from the HIGH MAIN OUTPUT jack to EXTERNAL SIGNAL INPUT jack. Turn on A-440 and rotate EXTERNAL INPUT VOLUME control slowly clockwise until the OVERLOAD light is just visible. Depress low "A" key and hold, OVERLOAD light should be blinking. Depress and hold high "A" key. Adjust OSCILLATOR 1 Range Trimpot (on oscillator board) for slowest possible blink rate. Adjust OSCILLATOR 1 Scale Trimpot (on oscillator board) for slowest possible blink rate. Monitor the output with headphones while tuning. Repeat this procedure for OSCILLATOR 2 and 3. Then check tracking between any two oscillators. Turn OSCILLATOR 1 Mixer switch on and set RANGE to 2 ft. Depress and hold second "A" key from the bottom. Depress same key and adjust Octave Range trimpot (on oscillator board) for zero beats. Noise level is factory-set to yield -5dB maximum in the white position. [. . . ] Be as accurate as possible when describing what you want. Example: or: Returning Parts All parts being returned should be accompanied with a "Return Material Tag". Eight of these tags are supplied with this manual; additional tags are free upon request. Fill the tag out as neatly and accurately as possible. [. . . ]