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DOMESTIC MODEL 339A EXPORT MODEL 339BX DOMESTIC MODEL 339A EXPORT MODEL 339BX INTRODUCTION AND SPECIFICATIONS 1.2 SPECIFICATIONS CIRCUIT DESCRIPTION 2.1 KEYER POWER SUPPLY BOARD 1 2.2 CONTROL BOARD 2 2.3 CHORUS MODULATION BOARD 3 DISASSEMBLY AND REASSEMBLY 3.1 REMOVAL PROCEDURES 3.2 REASSEMBLY FIELD TEST PROCEDURE AND TROUBLESHOOTING 4-0 4.1 FIELD TEST PROCEDURE 4.2 ABBREVIATED TROUBLESHOOTING REPLACEMENT PARTS LIST SCHEMATIC DIAGRAMS AND PRINTED CIRCUIT BOARDS 5-7 6-1 4-1 4-2 4-3 6-1 6-2 6-3...

Moog 2110 Block Diagram

Moog Schematic

P11 3 1 3, WHT P113-2 WHT ORG P114 V3 WHT YEL lt FIGURE 6-5 CONTROL SCHEMATIC DIAGRAM FIGURE 6-5 CONTROL SCHEMATIC DIAGRAM FIGURE 6-7 CHORUS MODULA TOR SCHEMA TtC DIAGRAM FIGURE 6-7 CHORUS MODULA TOR SCHEMA TtC DIAGRAM After completing the repair and testing of this Opus 3, here are a few interesting sounds to try. ORCHESTRA Trombones and Organ Attack, Hot Strings Crescendo

Field Test Procedure And Troubleshooting

This is a sequential test procedure which must be performed in the order listed below. Use the initial set up sound chart provided Figure 4-1 to begin the test and refer to specifications in Section 1, paragraph 1-2 as necessary. Connect the Opus 3 to an appropriate monitor amplifier and to an oscilloscope using the MONO output jack located on rear panel. Verify the smooth operation of the MASTER VOLUME control and set for an appropriate listening level. 3. Check the 8', 4' and BOTH footage...

Introduction And Specifications

This manual provides servicing and parts information for Opus 3 Synthesizer, Domestic Model 339A and Export Model 339BX, manufactured by Moog Music Inc., 2500 Walden Avenue, Buffalo, New York 14225. This manual is divided into six Sections Section 1 Introduction and Specifications Section 2 Circuit Description Section 3 Disassembly and Reassembly Procedures Section 4 Field Test Procedure and Troubleshooting also includes articulation mode charts Section 5 contains a Final Assembly Replacement...

Disassembly And Reassembly

Refer to Figures 3-1, 3-2, and 3-3 Opus 3 is an efficient, well constructed synthesizer requiring little or no maintenance. All assemblies are accessible after removal of the base as discussed in the paragraphs that follow. High voltages are present near the power supply and left-hand controller circuits. Caution is advised when troubleshooting in these areas. 3.1.1 PRINTED CIRCUIT BOARD REMOVAL Figures 3-1 and 3-2 1. Place the cabinet on its side, exposing the 2. Remove the four machine...

Replacement Parts List

5-1 Final Assembly 5 2 Keyer Power Supply Printed Circuit Board 5-3 Control Printed Circuit Board 5 4 Chorus Modulator Printed Circuit Board TABLE 5-1 FINAL ASSEMBLY REPLACEMENT PARTS LIST TABLE 5-1 FINAL ASSEMBLY REPLACEMENT PARTS LIST Fuse, Slo Bio, 1 4 Ampere, 3AG Fuse, 1 Amp, 5M x 20M Fuse, 125Ma, 5M x 20M Jack, Phone, 3 Conductor, .206 Diameter Jack, Phone, NC Switch, .250 Diameter Jack, Phone, 1 Circuit, .250 Diameter . Potentiometer, Rotary, Linear Pitch, 10K Ohm, PITCH WHEEL . ....

Circuit Description

The Keyer Power Supply performs three basic functions 1 provides three power supply voltages 15VDC, 12VDC, 6VDC and a 9VDC audio frequency rail , 2 provides five audio output voltages 16', 8', 4', 2' and 1' square wave outputs and 3 provides a negative going shorting trigger signal 13.5 to 0.0VDC . The description is divided into four parts 2. Top Octave Synthesizer Circuitry. 3. Keyers and Associated Circuitry. Raw AC power is applied to the full wave bridge CR51 through CR54 from the 110 220...

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Moog Circuit Boards Png

cr gt jO j 'oj jro lt lt lt , fO w - gt ' O lt _ gt UO Cl i , fO w - gt ' O lt _ gt UO Cl i OVERLAPPING MODE 21-6VDC -2VDC OVERLAPPING MODE 21-6VDC -2VDC 1. UNLESS OTHERWISE SPECIFIED -ALL RESISTORS ARE IN OHMS, 1 4W, 5 . ALL CAPACITORS ARE IN MFD lt uf . ALL DIODES ARE 1N4148. 2. SOME PRODUCTION RUNS MAY VARY SLIGHTLY FROM CIRCUITS SHOWN. FfGURE 6-3 KEYER POWER SUPPL Y SCHEMA T C DIAGRAM FIGURE 6-4 CONTROL PBiNTED CIRCUIT BOARD DIAGRAM