Moog Minitmoog 300A Owner'S Service Manual Download

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Summary of Contents for Minitmoog 300A

Page 1: ...MANUAL NO 993 041990 002 OWNERS and SERVICE MANUAL for nnaoq MINITMOOG SATELLITE Minitmoog Model 300A Satellite Model 5330 ...

Page 2: ...in the Minitmoog and Satellite Synthesizers Index MINITMOOG SYNTHESIZER CONTENTS Controls Quick Set Voice Tabs 2 Modulation Oscillation and Touch Controls 3 Slide Control Panel 4 Accessories and Connections 10 Care of Your Synthesizer 11 Technical Sections 12 SATELLITE SYNTHESIZER PAGE CONTENTS PAGE Controls 5 Quick Set Voice Tabs 6 Modulation 8 Slide Control Panel 9 Accessories and Connections 10...

Page 3: ...e to different keys or even provide a glissando effect POWER AND INDICATOR LIGHT u An ON OFF power switch is conveniently located on the front panel with a red light which indicates when the power is ON OCTAVES t t With neither tab depressed your MOOG MINITMOOG will play in its highest pitch level Depress tab 1 and what ever you play on the keyboard will be one octave lower Raise tab 1 and depress...

Page 4: ...highs and returns Each time a key is depressed the ooo wah ooo sound is produced Try it in each octave TRUMPET The sounds of a trumpet trombone or tuba can be approximated by selecting this tab and varying it with other controls Characteristic of this voice and some of the other Quick Set voices is a built in timbre change which is faster in the upper octaves and is automatically slower in the low...

Page 5: ...wo function tabs labeled MODULATION on the front of the unit provide a selection of modulation types The two MODULATION slide controls on the slide control panel adjust the RATE and DEPTH of modulation VIB VIBRATO This tab provides a frequency modulation vibrato simi lar to the type used in electronic organs However the wide range of effects offered by the two slide controls extends the capability...

Page 6: ...r SYNC PITCH and FILTER brightness modes B PITCH This control varies pitch ol B tone producing oscillator over a two octave range A B MIX Controls mixing of A and B tone source oscillator outputs A only or B only occur at the CCW and CW extremes of rotation respectively Q Minitmoog Slide Control Panel GLIDE VOLUME BRIGHTNESS DECAY ATTACK FILTER CONTROLS u Once a Quick Set tab voice selection is ma...

Page 7: ... GLIDE slide control at 6 Play any note on the keyboard Release this note and quickly play a second note some distance away The sound automatically glissandos from the first note to the second The setting of the slide control determines the speed of the glissando 10 is slow 1 is fast Try a melody of detached notes and notice the succession of glide attacks VOLUME The VOLUME slide control provides ...

Page 8: ...s the sound of a note to linger after the key is released It pro vides interesting variations to the special voice settings described in this Manual Satellite Quick Set Voice Tabs BRASS VOICES MUTE OPEN REED VOICES THIN HOLLOW FULL BRIGHT STRING VOICES BOW PLUCK STRIKE PICK BELL With the unit connected and power ON a sound can be heard when a note on the keyboard is stiuck even though no voices ar...

Page 9: ... of a double reed wind instrument with those of a pipe organ with a little saxophone added In the lowest registers it is an excellent reproduction of the sound of the sarrusophone a wind instrument popular in bands of the early 1900 s BRIGHT REED This voice approximates that of a saxophone With adjustment of other controls you will be able to vary the sound through the characteristics of alto and ...

Page 10: ...nd a myriad of others TREM TREMULANT This tab provides modulation of the harmonic content of the tone The harmonic content or timbre is varied at a rate determined by the RATE control and with an intensity determined by the DEPTH control NOTE VIB and TREM can be used together REP REPEAT The repeat tab affects only those QUICK SET voices which have built in timbre changes The timbre change associat...

Page 11: ...lish an overall range of sound and the three Filter slide controls give you a wide selection and control within the limitations of that range Try this 1 Depress OPEN BRASS controls at 0 tab and set the slide 2 Play a few notes on the keyboard 3 Play again with various settings of the COLOR slide pot The range of sound will be from that of a very dull trumpet to a very brassy one 4 Now do the same ...

Page 12: ...er inpui Jack Connect Accessory extension cable plug into Y Adapter socket and insert the plug on the other end ol the extension cable into the HI LEVEL OUTPUT jack on your Synthesizer unit Connect the organ plug previouslv removed into the other Y Adapter socket DUAL CHANNEL ORGANS STEREO Disconnect the RCA Phono plug from the Right of Main Channel Amplifier Input Jack and insert Y AOaptoc plug i...

Page 13: ...should remove even the most persistent stains Under no circumstances should solvents or cleaning fluids be used to clean keys or cabinet POWER REQUIREMENTS This instrument must be operated from a standard 120 VAC 60Hz power outlet Normal line voltage variation will not affect its operation Power requirements of this unit are very low All solid state circuits are operated at a very low voltage and ...

Page 14: ...TECHNICAL SERVICE SECTION for MINITMOOG SATELLTE Minitmoog Model 300A Satellite Model 5330 12 ...

Page 15: ...SUAL INSPECTION 23 3 3 PRINTED CIRCUIT BOARD REMOVAL 23 3 4 REASSEMBLY 25 4 TUNING AND CALIBRATION PROCEDURES 25 4 1 GENERAL 25 4 2 OSCILLATOR TUNING 25 4 3 VOICE CALIBRATION 29 5 OPERATING CONTROLS INDICATORS AND CONNECTORS 31 6 KEYBOARD MAINTENANCE AND ADJUSTMENT 34 6 1 CONTACTS 35 6 2 KEYS 35 6 3 TOUCH SENSOR 7 TROUBLESHOOTING GUIDE 37 7 1 POWER SUPPLY 37 7 2 SOUND CHAIN 38 7 3 CONTROL CIRCUITS...

Page 16: ... 28 4 6 Square Wave at Junction of R44 and R119 29 4 7 Band Pass Filter Q and Fc at Q41 Source 29 4 8 Filter Contour at Q20 Source 30 4 9 Loudness Attack at Junction of R165 and R166 30 4 10 Loudness Decay at Junction of R165 and R166 30 8 1 Disassembly of Minitmoog 42 8 2 Minitmoog Disassembled 43 8 3 Sensor Removal 43 8 4 Sensor Removed from Top Support 44 8 5 Modification Material 44 8 6 Touch ...

Page 17: ...esistor matrix determines the nominal values of the voltage controlled parameters The power supply delivers 18 volts unregulated and 9 volts regulated Refer to page 52 The resistor matrix has fifteen input rows and twelve output columns A row is on when 9 volts is applied to it and off when it is open circuited The two upper rows are connected to the 2 OCT and 1 OCT tab switches respectively and s...

Page 18: ... the voltage at the source of Q51 rapidly approaches that at the output of IC4 As soon as the base of Q4 drops below 0 8 volt the bias current being applied to IC10 through Q3 drops to zero and the voltage at the source of Q51 remains constant As long as the output of IC5 remains positive that is as long as any key is depressed a very small bias current of approximately 50 nanoamperes flows throug...

Page 19: ...TOR TRIGGER PULSE 9V OV 7V 12V 20 MSEC DETAIL D 08 COLLECTOR DC TRIGGER 9V OV 20 MSEC DETAIL E Q4 BASE KEYBOARD SAMPLE AND HOLD DRIVE 8V DETAIL F SOURCE OF Q51 SAMPLED KEYBOARD CONTROL VOLTAGE 4 5V OV 4 5V PREVIOUS NOTE DETAIL G OUTPUT OF IC 6 AC KEY DOWN DETECTOR 8V 1 5V OV 1 5V 8V I I 1 5 MSEC 1 5V MIN FOR ADJACENT SEMITONES r FIG URE 2 1 KE YBOA RD TRIGGER VOL TA GE WA VEFORMS 17 ...

Page 20: ...of the transistors in IC11 then rapidly recharging it through Q45 The current discharging C38 is determined by the voltage difference between pins 2 and 4 of IC11 The ratio of currents through these two transistors in IC11 is an exponential function of the voltage difference between their bases The current fed into pin 1 of IC11 is kept constant by IC21 which maintains the voltage at pin 1 at the ...

Page 21: ...nstrument s pitch is varied Resistors R501 thru R510 supply a relatively small voltage change at pin M to vary the ratio between oscillator currents by a factor of 4 Oscillator B range trimpot R504 sets the center value of oscillator B pitch When pin T is grounded by the f SYNC tab switch the B PITCH control moves oscillator B pitch up and down an octave relative to oscillator A When pin V is grou...

Page 22: ... come from column 7 of the resistor matrix the BRIGHTNESS potentiometer voltage applied to R193 the FILTER CONTROL INPUT jack voltage applied to R184 the modulation voltage applied to R181 the filter contour voltage applied to R116 and the keyboard pitch voltage applied through R179 and R180 The current from column 4 of the resistor matrix deter mines whether or not Q25 conducts When Q25 conducts ...

Page 23: ...ween the bases of Q28 and Q29 Thus since the decay time of an envelope is generally longer than the attack time the voltage appearing at the source of Q32 has an attack time inversely proportional to the collector current of Q26 The contributions to attack time control are similar to those of decay time control The quick set current comes from column 1 of the resistor matrix Since Q26 is a nearly ...

Page 24: ... touch sensor mechanism mounted under neath the keys has a 20 inch long anodized aluminum rod on which a key bears when it is fully down bottomed Excess key pressure forces the rod to compress its foam rubber support pad causing the rod to come into more intimate contact with the grounded conductive nylon strip glued to the foam rubber pad The assembly functions as a variable capacitor and the mor...

Page 25: ...o yield a desirable sinusodial wave effect SECTION 3 DISASSEMBLY VISUAL INSPECTION AND REASSEMBLY 3 1 DISASSEMBLY 3 2 VISUAL INSPECTION Disassembly and inspection are essentially the same for both Synthesizers except where the Touch Sensor Board 4 and the Oscillator Board 5 are mentioned These boards are used only on the Minitmoog a Disconnect power cord connector and all other rear panel connecti...

Page 26: ...RINTED CIRCUIT BOARD LOCATIONS INSIDE VIEW RESISTOR MATRIX BOARD NO 3 CONNECTORS D B CONNECTORS D CONNECTOR OSCILLATOR BOARD NO 5 MINITMOOG ONLY MAIN BOARD NO 1 POWER SUPPLY BOARD NO 2 e 0 e Do CONNECTORS TOUCH SENSOR BOARD NO 4 MINITMOOG ONLY C T rz v x KEYBOARD FIGURE 3 2 MINITMOOG COVER AND PRINTED CIRCUIT BOARD LOCATIONS BOTTOM VIEWS 24 ...

Page 27: ... c Large Bottom Cover Ascertain harness wires are not forced into keyswitches Assure cover does not pinch matrix harness wires passing through cutout in chassis SECTION 4 TUNING AND CALIBRATION PROCEDURES 4 1 GENERAL Tuning and calibration procedures are essentially the same for both Synthesizers Unless otherwise indicated the following instructions apply to both units The oscillator tuning proced...

Page 28: ...il the 9 volt line is exactly 9 000 V 10 mv b Connect DVM across pins L and K of oscillator board No 5 and verify that the 9 volt line is 9 000 V 200 mv 4 2 3 KEYBOARD CURRENT ADJUSTMENT a Connect DVM across pins A5 and A6 OCT1 OSCILLATOR AMPLITUDE KEYBOARD ADJ A HIGH SCALE RANGE DECAY ADJ RIO FREQUENCY R17 R16 R190 R79 9V ADJ VIBRATO ADJUST R14 UNDER IC11 0 VCA BAL R160 JUNCTION R165ANDR166 AMPLI...

Page 29: ...nd base of Q3 Figure 4 3 in order to keep IC10 on and thereby eliminate keyboard control voltage drift c Hold down the middle B key 14 semitones below topmost key for oscillator A tuning d Center the rear panel TUNE control connect wiper to ground place 1 OCT tab switch down and connect DVM test leads between pin 6 of IC8 bot tom of R14 Figure 4 3 and ground Adjust range trimpot R16 for an indicat...

Page 30: ...ll be 1 octave lower than oscillator A b Hold down highest Bj key and zero beat oscillator B with oscillator A using scale trimpot R529 Figure 4 5 oscillator B one octave below oscillator A 1 OCT tab switch down 2 OCT tab switch up REF frequency exactly 466 Hz M X zz N YY L K J P R510 OCTAVE R504 RANGE R529 SCALE R511 HI END a Set range trimpot R16 Figure 4 3 so that oscillator A zero beats with R...

Page 31: ...erences are in parentheses 4 3 2 SQUARE WAVE DUTY CYCLE a Observe waveform at junction of R44 and R119 Figure 4 3 b Depress CLARINET REED HOLLOW Satellite tab switch and adjust square wave adjust trimpot R47 for a symmetrical square wave as shown in Figure 4 6 EXACTLY 50 DUTY CYCLE FIGURE 46 SQUARE WAVE AT JUNCTION OF R44ANDR119 4 3 3 BAND PASS FILTER RESONANCE Q AND CENTER FREQUENCY Fc a Observe ...

Page 32: ...impot R174 to match the attack contour shown in Figure 4 9 3 7V KEY DOWN 0V 60 70 MSEC 20 MSEC FIGURE 4 9 LOUDNESS ATTACK A TJUNCTION OF R165 AND R166 4 3 7 LOUDNESS CONTOUR DECAY TIME a Lift MUTE BRASS MUTE Satellite tab switch and depress PIANO STRING STRIKE Satellite tab switch b Assure 1 OCT tab switch is still down and depress C key one octave up from bottom of keyboard c Observe waveform at ...

Page 33: ...ecay and 4 the shortest decay times Determines voice clarity from dull to bright sounds Varies rate of modulation from approximately one per second at 0 to a buzz rate at 10 Adjusts degree or intensity of modulation With MODULATION VIB tab switch depressed increasing MODULATION DEPTH corresponds to periodic frequency deviation that increases from zero to more than one octave With MODULATION TREM t...

Page 34: ...OPERATING CONTROLS INDICATORS AND CONNECTORS Cont 32 ...

Page 35: ...pressed keyboard produces the hollow reed sound and soft attack of the traditional clarinet When depressed keyboard produces the bright reed sounds of a saxophone When depressed keyboard simulates the bass sound characteristic of the Taurus Synthesizer When depressed keyboard produces a gentle voice with a slow attack simulating the sounds of a violin When depressed keyboard produces a plucked str...

Page 36: ...ses may require cleaning with a nonabrasive rubber eraser If the contact area has been damaged rotate the buss bar or J wire or gently bend the J wire laterally to contact a new portion of the buss bar 34 CAUTION Do not touch J wires or buss bar with bare fingers as salty oily finger prints will eventually cause corrosion and dust collection resulting in inter mittent operation 6 1 2 CONTACT HEIGH...

Page 37: ...t the keys will bottom on the sensor assembly and not on the key leveling tabs The 5 studs are locked into position by 10 nuts on either side of the keyboard frame The sensor is intentionally warped by the extreme end studs when mounted so that its ends are approximately 1 16 inch further away from the keyboard frame than its center This must be accomplished before the keyboard is installed in the...

Page 38: ...g harness is not pushed into the key contacts In addition check for a strand of frayed conductive nylon contacting the key switches causing nonfunctioning or crazy operation If when bending pitch the pitch drifts down at an objec tionable rate while the key is pressed down fully replace IC402 IC402 is a factory selected part requiring a CA3080 with low output leakage Try several CA3080s until one ...

Page 39: ... apply to both Synthesizers except where the Oscillator Board 5 and Touch Sensor Board 4 are mentioned These components are used only on the Minitmoog An aid in control selection is presented in Section 5 indicating the different panel markings for identical controls 37 ...

Page 40: ...m pins S X Y Z or ZZ If only oscillator A is not operating trouble may be in waveform selector circuit If proper waveforms are observed on pins Z and ZZ proceed to step 4 4 Check band pass filter output waveform at source of Q41 Signal level should be approximately 300 mv peak to peak No output indicates trouble is in band pass filter section If proper output is observed proceed to step 5 5 Check ...

Page 41: ...1 Remove one short and then the other to determine which transistor pair Q37 and Q38 or Q39 and Q40 is faulty 2 Ground both transistor bases of the faulty pair and observe if signal passes collectors not shorted If signal passes the fault lies in the summing network matrix or matrix interconnecting wiring Otherwise the transistor pair or trimpot is at fault 1 Short pin 14 of IC19 to ground If sign...

Page 42: ......

Page 43: ...TROUBLESHOOTING GUIDE Cont 41 ...

Page 44: ...043976 001 It is estimated to require 1 hour to perform the following procedures 1 Remove the touch sensor from the unit by removing the bottom cover and unscrewing four screws Figure 8 1 to disassemble the unit to the extent shown in Figure 8 2 2 Remove the five nuts from the captive screws Figure 8 2 securing the top support to the unit and remove the support 3 Unscrew the two screws that attach...

Page 45: ...o 0 buss wire generally centered along the length of che touch sensor bar However carefully route the wire around the two mounting holes and allow sufficient excess wire to extend beyond the right side of the bar to permit soldering the wire to the cable braid after the touch sensor bar is installed The wire should be slightly less than flush on the left side of the sensor bar FIGURE 8 3 SENSOR RE...

Page 46: ...ating pads over the nylon material at the two mounting holes Figure 8 6 9 Also wrap the end of the touch sensor bar with mylar tape at the point where the drain wire extends beyond the end of the bar Figure 8 6 to prevent shorts after connection in the circuit FIGURE 8 5 MODIFICA TtON MA TERIAL 44 ...

Page 47: ...g the unit V FIGURE 8 6 TOUCH SENSOR BAR REASSEMBLED 8 3 INSTALLATION OF NEW OR REBUILT TOUCH SENSOR BAR 1 Remove case 2 Set unit on rear panel using support blocks 3 Remove bottom access cover 4 Compress touch sensor bar by tightening all adjusting screws 5 Remove five mounting nuts 6 Disconnect wiring to touch sensor bar and dislodge bar from keyboard L channel ensuring all mounting screws are c...

Page 48: ...SECTION 9 SELECTED REPLACEMENT PARTS LIST MINITMOOG AND SATELLITE MISCELLANEOUS SELECTED REPLACEMENTPARTS LIST 46 ...

Page 49: ...MAIN PRINTED CIRCUIT BOARD SELECTED REPLACEMENT PARTS LIST 47 ...

Page 50: ...3 044 046 047 Q48 Q50 Q3 Q5 O8 O16 Q19 Q21 024 028 029 Q30 Q33 Q37 thru Q40 Q49 020 032 041 Q42 Q51 022 023 Q45 991 041062 001 991 041052 001 991 041051 001 991 041064 001 991 041055 001 991 041063 001 TRANSISTORS 86 5150 2 86 5115 2 86 5149 2 86 5148 2 86 5124 2 86 5096 2 86 5147 2 86 5146 2 86 5096 2 86 5151 2 PNP TIS93 PNP 2N3906 NPN 2N3904 FET 2N4303 FET E112 PNP 2N4402 ...

Page 51: ...MINITMOOG TOUCH SENSOR BOARD NO 4 SELECTED REPLACEMENT PARTS LIST MINITMOOG OSCILLATOR BOARD NO 5 SELECTED REPLACEMENT PARTS LIST 49 ...

Page 52: ... 10 7 10 8 Minitmoog Schematic Diagram 51 Minitmoog Block Diagram 52 Minitmoog Printed Circuit Board Assemblies 52 Minitmoog Touch Sensor Board Assembly No 4 Schematic Diagram 53 Minitmoog Oscillator Board Assembly No 5 Schematic Diagram 53 Satellite Schematic Diagram 54 Satellite Printed Circuit Board Assemblies 55 Satellite Block Diagram 56 50 ...

Page 53: ...4 H UM 100 SCALt 1 en V KEYBOARD BIAS SUPPLY SAMPLE AND HOLD ISOLATION AMP co IH ISOLATION AMP l in i zcn TA KEYBOARD CONTROL VC DC KEYDOWN DETECTOR y I NEW KEY DEPRESSED DETECTOR r F r 4 a I j ED VOLTAGE REGULATOR PART OF POWER SUPPLY BOARO Cl V7 2_ p p i H A T V c Ann V jv 00 OJ lw H SWI2 MUTE I SWII I TRUMPET SWIO OBOE SW9 CLARINET SWB SAX SW7 TAURUS SW6 VIOLIN SW5 GUITAR I SW4 PIANO SW3 AIRES ...

Page 54: ...VOLTAGE CONTROL ISOLATION AMP KEYBOARD CONTROL VOLTA6E FILTER CONTOUR ENVEUDPE GENERATOR l ...

Page 55: ... 2 ALL CAPACITOR VALUES ARE IN MFD ln 5 ALL OIOOES ARE I N 4146 4 4 DENOTES AUX PCB CONNECTOR OSCILLATOR OR TOUCH SENSOR 2M3392 2N3906 o m i ammk fai i udmVi i i I pmd i ALLFETSE203 OTA 3080 ALLNPNS ALLPNPtl EXCEPT 022 23 IC9 10 12 WHICH ARE EII2 14 15 16 17 18 FIGURE 10 1 MINITMOOG SCHEMATIC DIAGRAM 51 ...

Page 56: ...MODUL CON O NEW KEY DEPRESSED I DETECTOR MUTE OBOE CLARINET SAX TAURUS VIOLIN GUITAR I PIANO AIRES GUITAR 2 LUNAR FIGURE 10 2 MINITMOOG BLOCK DIAGRAM 52 ...

Page 57: ...FROM FILTER SWITCH AMPLITUDE ENVELOPE GENERATOR 77 ceo c ret fa H f Ft Ftl FCt ...

Page 58: ...VOLTACE CONTROL AMOUNT MODULATION AMPLIFIER ...

Page 59: ...1 ADD 1KPOT de R130 REF REF MODIFICATION OF SATELLITE f CIRCUIT BOARD TO CONFORM TO MINITMOC OOOOOOOOO R51S R529 R525 R524 C5O2 C CS03 RS22 R523 C CS07 C506 C504 t C CR501 C508 R520 R521 R519 OOOOOOOOO OSCILLATOR BOARD NO 5 PRINTED CIRCUIT BOARD ASSEMBL Y FIGURE 10 3 MINI ...

Page 60: ...ITE PRINTED D TO CONFORM TO MINITMOOG CONFIGURATION ooooooooo OODOOOOOO TOR BOARD NO 5 VIT BOARD ASSEMBLY OOOOOOOOO X O n m o o co C409 JUMPER J1 IC404 IC401 CR401 R414 R403 IC403 C405 TOUCH SENSOR PRINTED CIRCUIT BOARD NO 4 ASSEMBLY FIGURE 10 3 MINITMOOG PRINTED CIRCUIT BOARD ASSEMBLIES ...

Page 61: ...ES CIRCUIT POINTS ON TOUCH BOARD 2 3 DENOTES MOLEX CONNECTOR 3 CAPACITORS ARE IN MFD RESISTORS ARE 1 4 W 5 R 408 TOBESELECTED 6 ADDED INTEST IFREQ D A ir FIGURE 10 4 MINITMOOG TOUCH SENSOR BOARD ASSEMBY NO 4 SCHEMATIC DIAGRAM ...

Page 62: ...TOP VIEWS CA3080 CA3094 v ht blk o I SVh4CTQUCH 9V O AAA TbMCO SWITCH CONTROt OP FROHT PAVJEL pui se Q6C A WAVESHK SL oV p p IAGRAM ...

Page 63: ...AVE TOP VIEWS 0 3060 0 3150 WAVE SHA PB 0 NOTES I GD DENOTES CIRCUIT POINT ON BOARD NO I 2 DENOTES MOLEX CONNECTOR 3 CAPACITORS ARE IN MFD 4 RESISTORS ARE 1 4 W 5 5 TRIMPOTS ARE CERMET 6 Q2 DENOTES D C VOLTAGE FIGURE 10 5 MINITMOOG OSCILLATOR BOARD ASSEMBL YNO 5SCHEMATIC DIAGRAM 53 ...

Page 64: ...FIGURE 106 SATELLITE SCHEMATIC DIAGRAM 54 ...

Page 65: ...CI J I i J 5 NLTH CONTOUR ENVELOPE SCNfUATOII o jtj M 1MKT BH iMK n no _y C IIT HOK HO __Wt 3 V RESISTOR MATRIX P C QD mtc r 6 MOK ttot y nott j 1 jjoj l B ttMtft Ol j TOKr uox y jtotjy mt r JOpB 1 mcnoKic switc ojl ioosV oow noy 10M 3 0 2i MOI ym WHL 1 Mj 3001 Ml 0J v MOty ...

Page 66: ...t ...

Page 67: ... 0ICIU4T0R ...

Page 68: ...SATELLITE PRINTED CIRt I SEE AI3 O MM OMKH m W I J 3SHE t RESISTOR MATRIX PRINTED CIRCUIT BOARD ASSEMBLY ...

Page 69: ...NTED CIRCUIT BOARD ASSEMBL Y SATELLITE CONTROL PRINTED CIRCUIT BOARD ASSEMBLY FIGURE 10 7 SA TEL LI TE PRIN TED CIRCUI T BOA RD ASSEfl 52 ...

Page 70: ... I KEW KEY OCPRESSEO DETECTOR FIGURE 10 8 SATELLITE BLOCK DIAGRAM 56 ...

Page 71: ...VOLTAGE CONTROLLED RELAXATION OSCILLATOR AUDIO ...

Page 72: ...VOLTAGE CONT tL O RELAXATION OSCILLATOR J OCT r i ED E3 L L LLL FILTER CONTOUR ENVELOPE 8ENERAT0K sn h ri tvii i I 9 v P I ...

Page 73: ... KEY DEPRESSED DETECTOR FIGURE 10 2 MINITMOOG BLOCK DIAGRAM 52 REF S ADD 270K DELETE ADD DELETE MODIFICA TION OF SA CIRCUIT BOARD TO CONFORM TO oooooo r z RS15 y RS2S R524 C CSO7 oooooo OSCILLATOR BOARD NO 5 PRINTED CIRCUIT BOARD ASSEMl FIGURE ...

Page 74: ...NITMOOG CONFIGURATION C510 ooooooooo C509 R515 R510 R525 R524 C502 C C503 4 R514 C504 CR501 IC502 ooooooooo ooooooooo C406 C407 J R402 C409 JUMPER J1 1C404 IC401 1C403 CR401 R404 C404 j IC402 C405 R408 OSCILLA TOR BOARD NO 5 PRINTED CIRCUIT BOARD ASSEMBL Y TOUCH SENSOR PRINTED CIRCUIT BOARD NO 4 ASSEMBL Y FIGURE 10 3MINITMOOG PRINTED Cl 1CUITBOARD ASSEMBLIES ...

Page 75: ... NEW KEY OEPRESSEO DETECTOR FIGURE 1 8 SATELLITE BLOCK DIAGRAM 56 ...

Page 76: ...RD 2 DENOTES MOLEX CONNECTOR 3 CAPACITORS ARE IN MFD RESISTORS ARE 1 4 W 5 R 408 TO BE SELECTED a ADDED INTESTFREO D TOP VIEWS DIO I 6 2 N 4303 c 4c f CA3O8O 38 ic a c a c 35 C 314 8 AMPLIFIES AIN IOO 0K V r O 3V SWITCH OfiC WAV85H 10 MINITMOOG TOUCH SENSOR BOARD ASSEMBY NO 4 SCHEMATIC L lAGRAM ...

Page 77: ......

Page 78: ... ATTACK I NOTES UNLESS OTHERWISE SPEClFlgP I ALL RESISTOR VALUES ARE IN OHMS S 1 4 WATT 2 ALL CAPACITOR VALUES ARE IN MFD mM 3 ALL DIODES ARE I N 4146 4 DENOTES AUX PCB CONNECTOR OSCILLATOR OR f J I I I M 4 F GC ZTf MINITMOOG SCHEMA TIC DIAGRAM 51 AM 51 ...

Page 79: ...TOR BQMKDM ouruuE iTCHl OMSO TWe OSC B ot q iooK oov ik z z top views OSC B HIGH END I SVHC TOUCH csoa 0OPPD Pulse osc EXISTING P C B HOI INfiOARONO NOTES I Q DENOTES CIRCUIT POINT ON BOARD NO 2 DENOTES MOLEX CONNECTOR 3 CAPACITORS AREJN MFD HGUKfO SMINITMOOG OSCILLATOR BOARD ASSEMBLY NO 5 SCHEMATIC DIA ...

Page 80: ...54 I Gp Gp i I m tq mtiuitc carom pc e ca acu V I TTI J ceciTio TI StKUmSCHEMATICa AG A S J ...

Page 81: ...SA TELLITE PRINTED CIRC UIT BOARD ASSEMBL Y RESISTOR MA TRIX PRINTED CIRCUI1 BOARD ASSEMBLY S TELLITE CONTROL PRINTED CIRCUIT BOARD ASSEMBLY 0 7 SATELLITE PANTED CIRCUIT BOARD ASSEMBLIES 55 ...

Page 82: ...ue Buffalo New York 14225 NORLIN MUSIC INSTRUMENTS LIMITED 51 Nantucket Blvd Scarborough Ontario Canada MIP 2N6 NORLIN MUSIC SERVICES B V Waalhaven Zuidzijde 48 3088 H J Rotterdam The Netherlands PRINTED IN U S A COPYRIGHT 1979 993 041990 002 T G 10 79 1M MOOG MUSIC INC ...

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Moog Minitmoog 300A, Owner'S Service Manual

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