Shure SR101 Series Operation And Service Manual Download

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Summary of Contents for SR101 Series

Page 1: ...Series 2 Audio Console OPERATION AND SERVICE MANUAL Manufactured by SHURE BROTHERS INC 222 Hartrey Avenue Evanston Illinois 60204 U S A Copyright 1979 Shure Brothers Inc 27A1171 SD 95E652 Printed in...

Page 2: ...output via pin 91PRO GRAM Frequency Response 1 3 dB 20 Hz 20 kHz 150 ohm source 600 ohm load lnput Sensitivity 0 4 mV max for f 4 dBm program output Distortion Noise THD less than 1 at 12 dBm Input C...

Page 3: ...r signal output multiple Console connection mix bus remote master volume control TlVlTY ontrol in CAL position 22 dB range METER SENSI TIVITY Control in full clockwise position provides 0 VU reading o...

Page 4: ...and Diode Removal 22 Transistor and Diode Checking 22 Service Illustrations 22 Optional Accessories 22 Guarantee 22 Shipping Instructions 22 PARTS LIST 23 CONDENSED OPERATING INSTRUCTIONS 47 ARCHITECT...

Page 5: ...the program output and a pair of link jacks facilitate connec tion to an additional audio console mixer or external equipment such as compressors limiters or equalizers The Console contains a VU mete...

Page 6: ...FIGURE 1 SRlOl SERIES 2 AUDIO CONSOLE FRONT PANEL 25 26 29 30 34 32 33 36 SR101 2E Only 35 37 SR101 2E Only FIGURE 2 SRlOl SERIES 2 AUDIO CONSOLE REAR PANEL 2...

Page 7: ...for VU Meters 18 METER SENSITIVITY Rotary Control Adjusts VU meter sensitivity for wide ranges of program level indication 19 POWER ON OFF Toggle Switch Applies ac power to power supply and SWITCHED A...

Page 8: ...nt operation in black area of scale with occasional peak excursions into red area is ob tained If meter still reads low reduce power amplifier volume level and increase channel volume level For single...

Page 9: ...former which provides a gain increase of 23 dB Channels 7 and 8 also contain switchable AUX LEVEL phone jacks 32 which accept high impedance microphones or other inputs The lnput Transformers and on c...

Page 10: ...ZER 4 INTENSITY 1 23 dB1 ITTEN P IN SECTION 0 I I I I I f CHANNEL REVERB VOLUME INTENSITY SECTION 0 SECTIONA TONE I OSC LEVEL FEEDBACK FILTERS m n RESISTOR PHASE PROGRAM OUTPUTS m MASTER VOLUME LEVEL...

Page 11: ...de up to 13 dB of boost or cut at 10 kHz with a 1 kHz hinge point The LO FREQ controls provide up to 13 dB of boost or cut at 100 Hz with a 1 kHz hinge point Control settings with plus markings indica...

Page 12: ...or system monitors the output of the program mix amplifier It should be noted that the individual channel MONITOR Switches 12 monitor the channels ahead of the reverb and the PROGRAM MONITOR Switch 11...

Page 13: ...5 kHz filter affecting the highest feedback pitch squeal The two center frequency filters affect feedback modes in the middle ranges of the audio frequency spectrum The three upper frequency filters h...

Page 14: ...rophone cable connect the cable be tween the Console MIC INPUT Jack 33 any channel and the MIC LEVEL Output Jack 24 refer to Figure 6B Page 10 Connect headphones to the PHONES Jack 8 Release the PROGR...

Page 15: ...special set ups to more fully utilize 10 ft of high impedance single conductor shielded the capabilities of the Console cable Belden 8401 8410 or 8411 between the micro HIGH IMPEDANCE MICROPHONES pho...

Page 16: ...he MIC LEVEL Output Jack 24 is to be used connect a cable from it to the tape recorder low impedance micro phone input If the microphone input on the tape recorder is designed to be used with high imp...

Page 17: ...ch 13 CHAN I I INPUT MIC LEVEL IN L SR lOl AUDIO CONSOLE I PHONES If this set up does not work and the microphone type being used is unknown it is possible that it is a carbon microphone To use carbon...

Page 18: ...K OUT Jack 31 Figure 12D Page 14 However this requires sacrificing the channel reverb equalization and monitor functions for the sources entering through the mixer monitoring of the total program can...

Page 19: ...control the portable system speakers the slave Console MASTER or channel Volume Controls 1 will con SLAVE SRlOl AUDIO CONSOLE trol the house speakers Note that this set up provides total or selective...

Page 20: ...R Switches 12 for micro phones assigned to the left Release the PROGRAM MON ITOR Switch 11 Center microphones may be assigned to both left and right channels by depressing both PRO GRAM and MONITOR Sw...

Page 21: ...distances over 15 2m 50 ft or for permanent in stallations where hum or noise may be encountered use low capacitance two conductor shielded cable Belden 8412 or 8422 Connect as shown in Figure 16C Pa...

Page 22: ...use for 90 to 132 volt operation CAUTION If trouble symptoms overheating erratic operation etc were apparent before the fuse blew or if the re placement fuse blows a qualified serviceman should troubl...

Page 23: ...AIO MP12 AI A9 RIB RE0 RIA R8A BD 5 R168 i16 1J J 3 1 s I TI TB R 2 7 J12 J17 J21 JII J14 J15 J13 FIGURE 17 PRINTED CIRCUIT BOARD AND PARTS LOCATION...

Page 24: ...remove it as follows Disconnect all push on terminals on the Power Supply board Figure 17 Page 19 Remove the t o screws securing the Power Supply bracket to the side panel Swing the Power Supply brack...

Page 25: ...he upper poten tiometer is adjustable to set synchronizing belt tension if the lower potentiometer has been replaced tighten the lower potentiometer and loosen adjust and tighten the upper potentiomet...

Page 26: ...n the anode end of a diode and the minus probe on the cathode end the ohmmeter should read approximately 2000 ohms or less With the meter probes reversed a reading of about 10 000 ohms or more should...

Page 27: ...uld be ordered by that kit number 90A2250 90A2247 90A2249 90A2464 90A2463 90A2465 90A1818 90A1827 90A2462 90A2210 90A2254 90A2423 90A2910 50KB104 86A641 Any orders received Printed Circuit Assembly Pr...

Page 28: ...CROPHONE LEVEL lnput Connector Phone Jack 2 Conductor Single Closed Circuit AUX LEVEL and LlNK IN lnput Connector Phone Jack 2 Conductor Open Circuit LlNK OUT Connector Male 3 Pin Audio MIC LEVEL and...

Page 29: ...46A036 1 Potentiometer 50k MONITOR Switch Rotary INPUT ATTEN Channels 1 6 Switch Rotary Dual INPUT ATTEN Channels 7 8 only Switch Assembly Beige 8 modules plus frame Push button DPDT PROGRAM Switch A...

Page 30: ...nting SRlOl 2E Lampholder and Bracket Assembly Solder Terminal Lampholder and Bracket Assembly Wire Terminal SR101 Audio Console Mounting Template Capacitor Film 0 1 PF IOOV Capacitor Electrolytic 22...

Page 31: ...ague 30D TE1303 CDE NLW 5 50 Motorola 2N5088 TI 2N3711 None Capacitor Electrolytic 4 7 or 5 PF 35V PROGRAM MIX AMPLIFIER BOARD 3 Capacitor Electrolytic 22 PF 35V Diode Silicon Computer 75V Silicon Rec...

Page 32: ...5 Capacitor Electrolytic 4 7 or 5 uF 35V Capacitor Electrolytic 22 F 35V Capacitor Electrolytic 250 F 40V Diode Silicon Computer 75V Ferrite Bead Ring Transistor Silicon NPN Transistor Silicon PNP Tra...

Page 33: ...N5088 TI 2N3711 REVERB SPRING AMPLIFIER BOARD 71 TI TIS92 TI TIS93 None Capacitor Electrolytic 22 F 35v Transistor Silicon NPN Switch Assembly 4 switch modules plus frame Push button DPDT FEEDBACK FIL...

Page 34: ...F35 CDE NLW 100 25 Silicon Rectifier 100V A Motorola 1N4002 Diode Silicon Computer 75v Transistor Silicon NPN Transistor Silicon PNP Motorola or Fairchild 2N5087 Transistor Silicon NPN Transistor Sili...

Page 35: ...RD 0 Replacement Kit No C90 C91 D90 D92 Q90 Q91 RLY9O Replacement Kit Consists Of Qty I Part No I Description Capacitor Film I pF 1O O V Capacitor Electrolytic 1000 uF 25V Silicon Rectifier 100V 1 2A...

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Page 38: ...2247 21224631587 4 FIGURE 20 BOARD 2A CHANNEL EQUALIZER 2249 212248 31588 4 FIGURE 21 BOARD 28 REVERB EQUALIZER...

Page 39: ...FIGURE 22 BOARD 3 PROGRAM MIX AMPLIFIER 2464 112458 11647 1 FIGURE 23 BOARD 4 REVERB MIX AMPLIFIER 2463 112460 11646 1...

Page 40: ......

Page 41: ...1818 3 1817 1 482 3 FIGURE 25 BOARD 6 FEEDBACK FILTERS 1827 3 488 3 FIGURE 26 BOARD 7 REVERB SPRING AMPLIFIER...

Page 42: ...2462 112461 11644 1 FIGURE 27 BOARD 8 MONITOR 2210 9 2251 3 591 4 FIGURE 28 BOARD 9 POWER SUPPLY...

Page 43: ...2254 3 592 4 FIGURE 29 BOARD 0 PROGRAM MUTE...

Page 44: ......

Page 45: ...e watt unless otherwise specified Transistor lead codes are as shown in Figure 30 Ac ceptable replacements are as shown in the Parts List The following ground symbols denote Chassis Ground Circuit Gro...

Page 46: ...s unless otherwise indicated 2 Line voltage 120V 60 Hz SR101 120V or 240V 60 Hz SR101 2E 3 No input signal applied 4 Dc voltage measurements may vary 20 from values shown 5 Measurements msde with VTVM...

Page 47: ...FIGURE 32 SR101 SERIES 2 AUDIO CONSOLE CIRCUIT DIAGRAM ISSUE 1 2 REFERENCE NUMBER DESCRIPTION 94A1293 11 1 94A1293 11 2 ADDED R537...

Page 48: ...ISSUE REFERENCE NUMBER DESCRIPTION 1 94A1293 11 1 2 94A1293 11 2 ADDED R537 TONE OSCILLATOR LINE LEVEL 600 1L FIGURE 32 SR101 SERLES 2 AUDIO CONSOLE CIRCUIT DIAGRAM...

Page 49: ...put assignment designed for rack mounting in standard 19 inch 483 mm switches for the PROGRAM and MONITOR buses The 7th Audio Equipment Racks desk top mounting or mounting in and 8th input channels sh...

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