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220 / March 2000

I N P U T   M O D U L E

Input Module (IND-220)

Chapter Contents

Module Overview ........................................................................ 2-2

Internal Programming Options ................................................. 2-3

Insert Bypass .......................................................................................................... 2-3

Phantom Power ...................................................................................................... 2-3

Talkback .................................................................................................................. 2-3

VDT Programming Options ....................................................... 2-4

Hook-ups ..................................................................................... 2-4

  Microphone Inputs ................................................................... 2-4

    AUDIO CONNECTIONS ..................................................................................... 2-4

    CONTROL CONNECTIONS .............................................................................. 2-4

      Remote ON & OFF ........................................................................................... 2-5

      Cough ............................................................................................................... 2-5

      Talkback to Control Room ................................................................................ 2-5

      On Tally ............................................................................................................ 2-5

      Off Tally ............................................................................................................ 2-6

      Tally B ............................................................................................................... 2-6

  Stereo Line Analog Inputs ....................................................... 2-6

    AUDIO CONNECTIONS ..................................................................................... 2-6

  Stereo Line Digital Inputs ........................................................ 2-6

    AUDIO CONNECTIONS ..................................................................................... 2-6

    CONTROL CONNECTIONS .............................................................................. 2-7

      Remote ON & OFF ........................................................................................... 2-7

      External START & STOP ................................................................................. 2-7

      Ready ............................................................................................................... 2-8

      Tally B ............................................................................................................... 2-8

DB Connector Pinout Drawings

Mono Mic Inputs ..................................................................................................... 2-9

Stereo Line Analog Inputs .................................................................................... 2-10

Stereo Line Digital Inputs ..................................................................................... 2-11

Mono Mic Input Signal Flow Diagram .................................... 2-12

Stereo Line Input Signal Flow Diagram ................................. 2-13

220 / Sep 2000

Summary of Contents for 220 Digital Audio Console

Page 1: ...220 Digital Audio Console TECHNICAL MANUAL March 2000 ...

Page 2: ...Edition 220 Digital Audio Console Technical Manual 1st Edition 220 Digital Audio Console Technical Manual 1st Edition 220 Digital Audio Console Technical Manual 1st Edition 2000 Auditronics AUDITRONICS 600 Industrial Drive New Bern North Carolina 28562 252 638 7000 a division of Wheatstone Corporation 220 March 2000 ...

Page 3: ...r replacing modules However if you find you must proceed with this operation then be sure to take the following precaution When re inserting a module take care to replug it squarely into its mainframe connector socket so all edgecard fingers make contact simultaneously In other words the gold plated bus connector fingers on the bottom edge of the module s printed circuit board must be inserted squ...

Page 4: ... M M M M ME E E E E 220 March 2000 Console Clock Battery Backup Console Clock Display Card To activate battery backup of the console s clock simply pull out the yellow strip from the clock display card that is mounted on the inside of console meterbridge as shown on the picture below ...

Page 5: ...7 Analog Insert Points 1 7 Unbalanced Connections analog audio 1 8 Hand Crimp Tool Wiring Instructions 1 9 Chapter 2 Input Module Module Overview 2 2 Internal Programming Options 2 3 Insert Bypass 2 3 Phantom Power 2 3 Talkback 2 3 VDT Programming Options 2 4 Hook ups 2 4 Microphone Inputs 2 4 Audio Connections 2 4 Control Connections 2 4 Remote ON OFF 2 5 Cough 2 5 Talkback to Control Room 2 5 On...

Page 6: ...3 6 Global Settings 3 6 RS 485 RS 232 Select 3 7 RS 485 Termination 3 7 Hook ups 3 8 Analog Audio Outputs 3 8 Digital Outputs 3 8 Digital Control Ports 3 9 DB Connector Pinout Drawings Analog and Digital Outputs 3 10 Digital Control Ports 3 11 Master Outputs Signal Flow Diagram 3 12 CPU DSP Signal Flow Diagram 3 13 Chapter 4 Control Room Module Module Overview 4 2 Internal Programming Options 4 3 ...

Page 7: ...am 6 2 Installation 6 2 Hooking up the computer 6 2 Running the program 6 3 Using the program 6 5 Input attenuation 6 8 Advanced operation 6 10 Ending the program 6 12 Serial Interface Cable DB Connectors Pinout Drawing 6 13 Chapter 7 Superphone Input Module Module Overview 7 2 Caller Set Ups 7 2 Automatic Features 7 3 Inputs and Outputs 7 3 Internal Programming Options Main PCB 7 4 External In 7 ...

Page 8: ...ole Clock 10 3 Controls 10 3 Setting the time 10 4 Battery Backup 10 4 Operational Modes 10 4 Clock Timer CLK 220 Schematic 10 5 Load Sheet 10 6 Clock Timer Display CLD 220 Schematic 10 7 Load Sheet 10 8 Chapter 11 I O Schematic Drawings Mono Mic ADC I O Card Schematic MMADC 220 11 2 Analog Stereo Line ADC I O Card Schematic SLADC 220 11 3 Digital Stereo Line SRC I O Card Schematic SRC 220 11 4 Ou...

Page 9: ... 2 Power Supply 1 4 The PSC D340 Power Supply 1 5 Power Connector Pinout 1 5 PSC D340 Power Supply Schematic 1 5A Failsafe Dual Redundant Supply 1 6 Energizing 1 6 Audio and Control Wiring 1 7 Connection Procedures 1 7 Digital Connections 1 7 Analog Insert Points 1 7 Unbalanced Connections analog audio 1 8 Hand Crimp Tool Wiring Instructions 1 9 220 Oct 2001 ...

Page 10: ... These must be removed before lowering the console into its cutout Once in place the console mainframe pan will extend approxi mately 5 8 inches below the countertop surface Note the hinged meterbridge will require 15 above the countertop surface to open freely When fully open the meterbridge will extend 5 1 2 behind the rear line of the cut out When closed the meterbridge will extend 2 1 4 behind...

Page 11: ...g terminal strip may be found at the rear of the console along the bottom edge of the mainframe pan directly under the rightmost mainframe slots to the lower left if you are looking at the rear of the console The system ground serves two important purposes 1 It provides a zero signal reference point for the entire audio system 2 It assures safety from electrical shock There exist two terms that on...

Page 12: ...ch piece of audio equipment the audio ground and the chassis are tied together at some point Any piece of equipment lacking a grounded chassis is likely to be prone to interference problems Locate all unbalanced audio equipment in the same rack if possible to minimize chassis ground potential differences It may also be helpful to insulate each piece of unbalanced equipment from its mounting rails ...

Page 13: ...le then to the rear of the rackmount power supply Note each power supply is fitted with a 3 wire grounded AC cord that should be plugged into a clean AC power source That is an AC source that feeds only the control room audio gear This source should be a separate feed from those powering lighting air conditioning or any other non audio machinery The third pin ground wire of the AC source should be...

Page 14: ...H 1 2 3 4 D11 1N4002 WP23 40V OUTPUT WP14 WP13 R11 10K R12 10K R13 10K TP6 4OV TEST POINT TP5 DS1 40V LED DS2 NOT INSTALLED 40V LED TP1 F1 4A POLYSW 10uF 63V C9 WP6 50V 10000uF C23 Q7 3 2 1 LM1085 VIN ADJ OUT R17 47 D12 1N4002 NOT INSTALLED DS6 7 5V LED 500 CR1 3 2 1 16V TRIM LM1085 1 2 3 Q7 VIN ADJ OUT C19 10000uF 50V C23 10000uF 50V 500 3 2 1 CR3 CR1 1 2 3 500 600 Industrial Drive New Bern NC 28...

Page 15: ...AC mains and turning it on using its front panel circuit breaker switch The five LEDs on the power supply front panel should light up to indicate the presence of their respective voltages The console s VU meters will illuminate and individual module switches will assume factory default settings Once you have verified proper power up turn off the rackmount Once you have verified proper power up tur...

Page 16: ... AES EBU digital audio cable has a very lowcharacteristiccapacitanceperft pF ft andanominalimpedanceof110Ω High quality digital audio cable offers better signal transmission performance versus typical analog audio cable especially over long cable runs Check the cable manufactures data sheet to be sure the cable you plan to use will work in your application CONNECTORS All AES EBU connections are ma...

Page 17: ...lackwire LOW totheshield Ifthemachinehasa 10dBuoutput don t hesitate to turn module input gain as high as is needed ANALOG OUTPUTS 220 consoles use a balanced output circuit which behaves exactly like the secondary of a high quality transformer with no center tap this output is both balanced and floating EithertheHIGHorLOWsideoftheoutputshouldbestrapped to ground with the output taken from the oth...

Page 18: ...P by squeezing handles until jaws are fully closed to secure wire in the terminal figure 3 4 If there is an insertion error or if a circuit change is needed you ll need to use the supplied pin extractor tool W S 850069 to remove terminals and correct your mistake without having to sacrifice a connector Place extractor tip red side over pin terminal to be removed figure 4 and press it downwards mot...

Page 19: ...Remote ON OFF 2 5 Cough 2 5 Talkback to Control Room 2 5 On Tally 2 5 Off Tally 2 6 Tally B 2 6 Stereo Line Analog Inputs 2 6 AUDIO CONNECTIONS 2 6 Stereo Line Digital Inputs 2 6 AUDIO CONNECTIONS 2 6 CONTROL CONNECTIONS 2 7 Remote ON OFF 2 7 External START STOP 2 7 Ready 2 8 Tally B 2 8 DB Connector Pinout Drawings Mono Mic Inputs 2 9 Stereo Line Analog Inputs 2 10 Stereo Line Digital Inputs 2 11...

Page 20: ...is post trim and may be internally bypassed which is the factory default setting The ADC analog to digital converter version uses an SLADC 220 piggyback card at the input stage of the module and accepts 4dBu balanced analog input signals Recessed front panel multi turn trimpots adjust the left and right levels The SRC sample rate converter version uses an SRC 220 piggyback card at the input stage ...

Page 21: ...microphone ThejumperJ2 located on the middle of the MMADC piggyback card allows that microphone to also function as a talkback mic It places the signal pre insert pre fader pre on off onto the console s talkback bus When the console operator presses a TB switch on the console s SCD 220 Studio Control module the talkback bus which is carrying his microphone signal will interrupt the regular monitor...

Page 22: ...sertpointsare 4dBubalancedinandout All signals are analog mono Pin 25 Mic A In SH Pin 24 Mic A In HI Pin 12 Mic A In LO Pin 11 Mic B In SH Pin 10 Mic B In HI Pin 23 Mic B In LO Pin 22 Insert Out SH Pin 21 Insert Out HI Pin 9 Insert Out LO Pin 8 Insert In SH Pin 7 Insert In HI Pin 20 Insert In LO Note the insert points are normally bypassed by PCB mounted jumper J1 see page 2 3 The Insert Out pins ...

Page 23: ...und Pins 4 17 or 19 This will cause two things to happen 1 the module s pre fader signal is sent to the console s Cue bus where it may be heard by the console operator and 2 the module s Cough function is activated muting the module s post fader signal and preventing the TB signal from going out over other assigned busses i e live This non latching condition continues until the closure is released...

Page 24: ...nt should not exceed 30 milliamps Stereo Line Analog Inputs Audio Connections These include A and B source inputs level is 4dBu balanced Pin 25 Line A In Lt SH Pin 24 Line A In Lt HI Pin 12 Line A In Lt LO Pin 11 Line A In Rt SH Pin 10 Line A In Rt HI Pin 23 Line A In Rt LO Pin 22 Line B In Lt SH Pin 21 Line B In Lt HI Pin 9 Line B In Lt LO Pin 8 Line B In Rt SH Pin 7 Line B In Rt HI Pin 20 Line B...

Page 25: ...s indicated below will activate the module s channel ON and OFF switches REMOTE ON Activates the module s channel ON switch Provide a momentary 5VDC signal between Pins 14 and 15 Remote On A This will latch the module ON Be sure to observe the polarity as indicated above and on the pinout diagram on pages 2 10 2 11 REMOTE OFF Activates the module s channel OFF switch Provide a momentary 5VDC signa...

Page 26: ...1 READY A As long as the voltage is present in the correct polarity the OFF switch LED will be illuminated Tally B Provides a remote indication that the module s B source has been selected This control function provides a continuous closure open collector betweenPin6 TallyB andDigitalGround Pins4 17or19 whenever the B source is selected This closure can be used to control an externally powered tal...

Page 27: ...OFF A DIGITAL GROUND 5V DIGITAL TALLY B INSERT IN HI INSERT IN SH INSERT OUT LO MIC B IN HI MIC B IN SH AUDIO GROUND TB TO CR A ON TALLY A REMOTE ON A DIGITAL GROUND 5V DIGITAL DIGITAL GROUND INSERT IN LO INSERT OUT HI INSERT OUT SH MIC B IN LO MIC A IN HI MIC A IN SH 9 10 11 12 13 22 23 24 25 6 7 8 19 20 21 4 5 16 17 18 1 2 3 14 15 MIC A IN LO ...

Page 28: ... IN LT LO LINE A IN RT HI LINE A IN RT SH AUDIO GROUND REMOTE ON A REMOTE ON A REMOTE OFFA REMOTE OFF A 5V DIGITAL DIGITAL GROUND LINE B IN RT LO LINE B IN LT HI LINE B IN LT SH LINE A IN RT LO LINE A IN LT HI LINE A IN LT SH 9 10 11 12 13 22 23 24 25 6 7 8 19 20 21 4 5 16 17 18 1 2 3 14 15 LINE A IN LT LO IND 220 Stereo Line Input Analog Version DB Connector Pinouts ...

Page 29: ...S HI LINE B AES SH N C REMOTE ON A REMOTE ON A REMOTE OFFA REMOTE OFF A 5V DIGITAL DIGITAL GROUND N C N C N C LINE B AES LO LINE A AES HI LINE A AES SH 9 10 11 12 13 22 23 24 25 6 7 8 19 20 21 4 5 16 17 18 1 2 3 14 15 LINE A AES LO I O PORTS DIGITAL AND LOGIC IND 220 Stereo Line Input Digital Version SRC DB Connector Pinouts ...

Page 30: ... L H L H A Logic Follow LOGIC PORTS CR MUTE STUDIO MUTE TALLY 2 AIR TALLY TALLY 3 TO CONSOLE CONTROL BUSSES TIMER RESTART TB TO ST MUTE UTIL BUS PRE FADER IND 220 Input Module Signal Flow Diagram S E L E C T F E T S W CUE FADER DIGITAL AUDIO DATA Analog Analog CUE ASSIGN CUE LOGIC ANALOG TO DIGITAL CONVERTER ADC VDIP SWITCH J2 TB MONITOR TO CONSOLE AUDIO BUSSES J1 J4 J5 IN OUT OFF A B TALLY 220 Se...

Page 31: ...E UTL BUS PRE FADER 220 Sep 2000 IND 220 Input Module Signal Flow Diagram CUE FADER DIGITAL AUDIO DATA CUE ASSIGN CUE LOGIC VDIP SWITCH STEREO LINE INPUT ANALOG OR DIGITAL L H L H L H L H A B R L R L R L S E L E C T TRIM TRIM INPUT F E T S W A B ANALOG TO DIGITAL CONVERTER ADC Analog Analog Analog Analog A B INPUT Digital Digital AES RECEIVER SAMPLE RATE CONVERTER SRC OR S E L E C T A B OFF UTL pa...

Page 32: ...ce 3 5 Internal Programming Options CPU 3 6 Global Settings 3 6 RS 485 RS 232 Select 3 7 RS 485 Termination 3 7 Hook ups 3 8 Analog Audio Outputs 3 8 Digital Outputs 3 8 Digital Control Ports 3 9 DB Connector Pinout Drawings Analog and Digital Outputs 3 10 Digital Control Ports 3 11 Master Outputs Signal Flow Diagram 3 12 CPU DSP Signal Flow Diagram 3 13 220 Sep 2000 ...

Page 33: ...ole has two pairs of left right digital VU meters PGM and SWT switched located on the console s meterbridge The switched meter follows the SELECT switching allowing the console operator to meter AUD AUX and UTL The OMD 220 module houses the master CUE LED indicator Whenever Cue is activated anywhere on the console this LED will illuminate and the CUE signal will automatically appear on the switche...

Page 34: ...removed the address is 0 with the first jumper inserted the address is 1 with just the second jumper inserted the addressis 2 withthefirstandsecondjumpersinsertedtheaddressis 3 and so on Consult the section Internal Programming Options page 3 6 for more details The 220 console is normally configured with an address of 1 Do not change the console address unless you are using the console in an RS 48...

Page 35: ...as a pushbutton LOC REM switch Activating thisswitchwillenabletheremoteserialinterfacetotheconsole andde activating the switch will disable the remote serial interface When the interface is activated any device connected to the interface can control any of the console functions Note that the console operator also has control of the console functions even when the remote serial interface is enabled...

Page 36: ...esregardlessofthestatusoftheserialinterface Ifremotecontrol of the console is desired the remote mode must be selected with the LOC REM switch The most common use for the 220 Serial Interface is to allow configurationchanges mutes tallys etc bymeansofthe VirtualDip Switch program supplied with the console and described in Chapter 6 of this manual To do this the Virtual Dip Switch program must firs...

Page 37: ...s various console operating parameters Bit Weight J19 0 1 J18 1 2 J17 2 4 J16 3 8 J15 4 16 J14 5 32 J13 6 64 J12 7 128 Note Each 220 Console ID is set by jumpers J16 J19 and J12 J15 These jumpers are read as an 8 bit field with Bit Ø mapped to jumper J19 and Bit 7 mapped to jumper J12 This ID is read by the CPU at boot up and is required by serial communications software Example Desired ID 17 inst...

Page 38: ...J6 and J5 installed J24 RS 485 RS 232 Select JumperJ24selectsthehardwareinterfacetype RS 485orRS 232 forthe serial Com port OFF ON J24 RS 485 RS 232 J1 J3 RS 485 Termination Jumpers J1 J3 are used for RS 485 termination Termination must be switched in pairs i e TX and RX BOTH ON or BOTH OFF for a given Com X port OFF ON Serial Port J1 Not terminated Terminated TX J2 J3 Not terminated Terminated RX...

Page 39: ...t Out LO Pin 8 AUD Rt Out SH Pin 7 AUD Rt Out HI Pin 20 AUD Rt Out LO Pin 19 AUX Lt Out SH Pin 18 AUX Lt Out HI Pin 6 AUX Lt Out LO Pin 5 AUX Rt Out SH Pin 4 AUX Rt Out HI Pin 17 AUX Rt Out LO Pin 16 UTL Lt Out SH Pin 15 UTL Lt Out HI Pin 3 UTL Lt Out LO Pin 2 UTL Rt Out SH Pin 1 UTL Rt Out HI Pin 14 UTL Rt Out LO Upper Right DB 25 Connector Digital Outputs Handles digital Program Audition Auxilia...

Page 40: ... UTL AES SPDIF Out HI Pin 3 UTL AES SPDIF Out LO Lower Right DB 15 Connector Digital Control Ports Handles Com 1 serial connections Pin 1 RX Pin 9 RX RS 485 Pin 10 TX Pin 3 TX Pin 4 DTR Pin 6 RTS Pin 7 RX RS 232 Pin 12 DSR Pin 13 CTS Pin 15 TX Pins 2 5 8 11 and 14 Digital Ground Typical DB 15 connector 6 7 8 14 15 4 5 11 12 13 1 2 3 9 10 ...

Page 41: ... AUX LT OUT HI AUX LT OUT SH AUD RT OUT LO AUD LT OUT HI AUD LT OUT SH PGM RT OUT LO PGM LT OUT HI PGM LT OUT SH AUDIO GROUND 9 10 11 12 13 22 23 24 25 6 7 8 19 20 21 4 5 16 17 18 1 2 3 14 15 N C N C UTL AES SPDIF OUT LO N C N C AUX AES SPDIF OUT LO N C N C AUD AES SPDIF OUT LO N C N C PGM AES SPDIF OUT LO N C UTL AES SPDIF OUT HI UTL AES SPDIF OUT SH N C AUX AES SPDIF OUT HI AUX AES SPDIF OUT SH ...

Page 42: ...14 15 4 5 11 12 13 1 2 3 9 10 OMD 220 Digital Control Ports DB Connector Pinouts RX DIGITAL GROUND TX DTR DIGITAL GROUND RTS RX DIGITAL GROUND RX TX DIGITAL GROUND DSR CTS DIGITAL GROUND TX COM SERIAL I O PORTS Lower Right DB 15 RS 485 RS 232 RS 485 RS 232 ...

Page 43: ...T OUT L H AUD RT OUT L H DAC L H DIG OUT UTILITY L R UTL LT OUT L H UTL RT OUT L H DAC L H DIG OUT CUE L R CUE LT MONITOR CUE RT MONITOR DAC L R DAC CUE LOGIC FRONT PANEL SWITCHES V U S E L E C T L O G I C AUD AUX UTL PGM DATA SWITCHED DATA FROM CONSOLE CONTROL BUSSES S W I T C H E D V U S E L E C T PGM LT MONITOR PGM RT MONITOR AUX LT MONITOR AUX RT MONITOR AUD LT MONITOR AUD RT MONITOR UTL LT MO...

Page 44: ...220 Sep 2000 CPU DSP Signal Flow Diagram page 3 13 AUDIO DATA OUT DSP CONTROL AUDIO DATA FROM INPUTS CPU LOCAL REMOTE SWITCH TO DSP CONTROL DATA FROM INPUTS CONTROL TO INPUTS SERIAL INPUT ...

Page 45: ...odule Overview 4 2 Internal Programming Options 4 3 Cue Interrupt 4 3 Cue Mute 4 3 Hook ups 4 3 Upper DB 25 A Connector AUDIO 4 3 Upper DB 25 A Connector CONTROL 4 4 On Air Tally 4 4 Lower DB 25 B Connector AUDIO 4 4 DB Connector Pinout Drawing 4 5 Control Room Monitor Signal Flow Diagram 4 6 220 Sep 2000 ...

Page 46: ...ole stereo line inputs the superphone module or for studio talkback its signal will appear at the console s built in cue speaker mounted in the meterbridge Depending on how the CRD 220 module has been programmed cue can also interrupt the control room monitor speakers and or the console operator s headphone The way Cue interrupts the module s headphone and CR outputs is determined by internal PCB ...

Page 47: ...heconsole sbuilt inmeterbridgespeakers where it can easily be picked up by the console operator s microphone there is provision to mute Cue whenever that mic is live i e whenever the control room mute function is activated Jumper J1 will mute cue whenever CR is muted this is the factory default setting Hook Ups Asstatedbefore alluserwiringtoandfromtheCRD 220moduletakes placeattwoDB 25multi pinconn...

Page 48: ... requires a continuous closure to function Pin 14 On Air Tally Relay COM Pin 1 On Air Tally Relay N O Lower DB 25 B Connector Audio This connector handles the module s source select External Stereo inputs The port wants to see 4dBu balanced analog stereo signals Pin 19 Lt Ext 1 In SH Pin 18 Lt Ext 1 In HI Pin 6 Lt Ext 1 In LO Pin 5 Rt Ext 1 In SH Pin 4 Rt Ext 1 In HI Pin 17 Rt Ext 1 In LO Pin 16 L...

Page 49: ...CR RT OUT LO CR LT OUT HI CR LT OUT SH HDPN RT OUT LO HDPN LT OUT HI HDPN LT OUT SH CUE RT OUT LO CUE LT OUT HI CUE LT OUT SH AUDIO GROUND 9 10 11 12 13 22 23 24 25 6 7 8 19 20 21 4 5 16 17 18 1 2 3 14 15 EXTERNAL 2 RT IN HI EXTERNAL 2 RT IN SH EXTERNAL 2 LT IN LO EXTERNAL 1 RT IN HI EXTERNAL 1 RT IN SH EXTERNAL 1 LT IN LO N C N C N C N C N C N C EXTERNAL 2 RT IN LO EXTERNAL 2 LT IN HI EXTERNAL 2 ...

Page 50: ...000 CRD 220 Control Room Monitor Signal Flow Diagram CR INTERRUPT FET SW J1 FROM CONSOLE CONTROL BUSSES CUE MUTE ENABLE CUE TO LT HDPN CUE TO RT HDPN CUE TO LT CR CUE TO RT CR FROM CUE LOGIC BUS FROM CR MUTE BUS J3 J2 J4 J5 page 4 6 R L L H L H L H L H EXT 1 EXT 2 R L R L S O U R C E S E L E C T F E T S W UTL AUX AUD PGM FROM CONSOLE MONITOR BUSSES FRONT PANEL SWITCHES EXT 1 EXT 2 PGM LOGIC LOGIC ...

Page 51: ...rview 5 2 Internal Programming Options 5 3 External Talkback Mute Dim 5 3 Studio Dim 5 3 Hook ups 5 3 Upper DB 25 A Connector AUDIO 5 3 Upper DB 25 A Connector CONTROL 5 4 Tally 2 and Tally 3 5 4 Lower DB 25 B Connector AUDIO 5 4 DB Connector Pinout Drawing 5 5 Studio Control Monitor Signal Flow Diagram 5 6 220 Sep 2000 ...

Page 52: ...hone signal will interrupt the regular monitor signals being sent tothestudioinquestion TheTALKBACKmasterlevelcontrolsetsthe level of this talkback interrupt signal All user wiring to and from the SCD 220 module takes place at DB 25 multi pin connectors mounted at the top of the module and located underneath the hinged meterbridge There are two connectors the upper one handles external talkback ou...

Page 53: ... be programmed to MUTE a studio whenever the module is turned on i e it s microphone is live If you wish you can have a studio DIM drop 20dB in level instead of MUTE Jumper 4 causes Studio to DIM instead of MUTE Note the DIM functions do not affect talkback interrupts which always completely replace the studio s regular monitor feed with the console operator s TB signal Note also if a studio is mu...

Page 54: ...t requires a continuous closure to function Pin 14 Tally 2 Relay COM Pin 1 Tally 2 Relay N O Pin 3 Tally 3 Relay COM Pin 15 Tally 3 Relay N O Lower DB 25 B Connector Audio This connector handles the module s source select External Stereo inputs All signals are 4dBu balanced analog stereo Pin 19 Lt Ext 1 In SH Pin 18 Lt Ext 1 In HI Pin 6 Lt Ext 1 In LO Pin 5 Rt Ext 1 In SH Pin 4 Rt Ext 1 In HI Pin ...

Page 55: ...O N C RT STU OUT LO LT STU OUT HI LT STU OUT SH RT STU PRE OUT LO LT STU PRE OUT HI LT STU PRE OUT SH N C TB OUT HI TB OUT SH AUDIO GROUND 9 10 11 12 13 22 23 24 25 6 7 8 19 20 21 4 5 16 17 18 1 2 3 14 15 RT EXT 2 IN HI RT EXT 2 IN SH LT EXT 2 IN LO RT EXT 1 IN HI RT EXT 1 IN SH LT EXT 1 IN LO N C N C N C N C N C N C RT EXT 2 IN LO LT EXT 2 IN HI LT EXT 2 IN SH RT EXT 1 IN LO LT EXT 1 IN HI LT EXT...

Page 56: ... T P A N E L S W I T C H E S L O G I C FROM CONSOLE MONITOR BUSSES T B TB MONITOR R L TB SW INTRPT FET SW SCD 220 Studio Monitor Signal Flow Diagram FROM CONSOLE BUSSES RELAY LOW VOLTAGE CONTACTS RELAY LOW VOLTAGE CONTACTS TALLY 2 TALLY 3 FROM CONSOLE TALLY BUSSES L E V E L FROM CONSOLE MONITOR BUS IND 220 L E V E L L TB MUTE DIM FET SW ST MUTE ST DIM TB DIM J3 J2 J4 MUTE FET SW 220 Sep 2000 page ...

Page 57: ...Chapter Contents Virtual Dip Switch Application Program 6 2 Installation 6 2 Hooking up the computer 6 2 Running the program 6 3 Using the program 6 5 Input attenuation 6 8 Advanced operation 6 10 Ending the program 6 12 Serial Interface Cable DB Connectors Pinout Drawing 6 13 ...

Page 58: ... ROM drive is configured for Auto Play the install program will automatically start when you insert the VDip CD in the drive Follow the instructions on the screen to complete the installation When finished store the CD in a safe place in case you need to install the software on another machine in the future Hooking up the computer Refer to the diagram on page 6 11 of this chapter showing the prope...

Page 59: ...er DB 15 connector on one end and the proper COM port on your PC at the other Also be sure that the LOC REM button on the front of the OMD module has been switched to Remote The VDip program will not communicate with the console unless the console has been set to Re mote Start the program as you would any Windows program by double clicking on its shortcut or choosing the program from the START PRO...

Page 60: ...onsult Auditronics technical support Leave the settings for Baud Rate and Handshaking as shown in figure 2 Once the correct COM port is selected click on OK to accept these settings Click on Connect under the file menu to establish communications with the 220 console figure 3 Verify that the Console ID is set to 1 standard setting Figure 2 ...

Page 61: ...an be used to control the console functions The program will inquire about the current settings in the console see Figures 4 5 This screen shows the status of all of the input module functions one module at a time Functions can be changed by clicking on the function with your mouse a selected function shows a check box a de selected function shows a blank box 220 May 2001 ...

Page 62: ...page 6 6 220 March 2000 V I R T U A L D I P S W I T C H Figure 4 Figure 5 220 May 2001 ...

Page 63: ...nfiguration that you wish for an input channel you send the information to the console by selecting Write Current under the Slot menu figure 6 The information is then sent to the console To select another input channel to modify choose its corresponding slot number from the selection bar near the top of the status display screen The status screen will change to show the type and settings of the mo...

Page 64: ...ing the changes to pass them on to the console Input attenuation This exclusive Wheatstone digital console feature allows the user to digitally trim the gain back on any input module While this feature is most useful for reigning in hot digital domain sources on SRC input modules digital attenuation may also be applied to any analog microphone or line level source Note that the digital attenuation...

Page 65: ... Why use digital attenuation Many of today s digital audio sources especially modern rock rap etc are produced to take full advantage of the available maximum digital output level 0dBFS Playback of these tracks from a CD player s digital output result in average digital domain levels 6 to 3dBFS or higher That translates to average analog levels of 18 to 21 dBu very close to the console s clipping ...

Page 66: ...H Advanced operation After using the VDip program for a while its operation becomes routine There are some advanced features to make it easier to do repetitious tasks Underneath the top menu bar of the status screen is a row Figure 9 Figure 10 220 May 2001 ...

Page 67: ...figuration menus under File are functions called Save To File figure 9 and Load From File figures 10 Choosing Save To File allows you to save all of the console settings under a filename which you can retrieve later using the Load From File function This makes it easy to recall complex but repeatable text and settings information into the console especially if you name the file something obvious l...

Page 68: ...xt time the VDip program is run You can remove the computer connection or leave it hooked up as you desire Note that if you leave the connection to the computer in place you should set the LOC REM switch on the OMD module to local in case some other program on the computer tries to write to the COM port It is unlikely that a stray message sent out the COM port will cause any changes because it wil...

Page 69: ...H Serial Interface Cable for use with Virtual Dipswitch DB Connector Pinouts 6 7 8 14 15 4 5 11 12 13 1 2 3 9 10 N C N C N C N C N C N C RX GND N C N C N C N C N C N C TX OMD DB 15 male GND N C N C N C N C N C TX RX N C PC RS 232 DB 9 female CABLE CONNECTOR ...

Page 70: ...atures 7 3 Inputs and Outputs 7 3 Internal Programming Options 7 4 External In 7 4 Cue Pre Post 7 4 Mutes 7 4 Timer Restart 7 4 Tallies 7 4 Cue Dropout 7 5 Gain Trimpots 7 5 Hook ups 7 5 AUDIO CONNECTIONS Upper DB 25 A 7 5 AUDIO and CONTROL CONNECTIONS Lower DB 25 B 7 6 DB Connector Pinout Drawing 7 7 Superphone Module Signal Flow Diagram 7 8 220 Sep 2000 ...

Page 71: ... 220 module s hybrid output where it is ultimately heard by the caller through his telephone This mix minus sourceselectmethodcanalsobeusedtopreplayamusicalsegment orany other program content for the caller off air Take the IND 220 input module handling the desired music cut and assign it to an unused output bus select the same bus as the caller s mix minus source input and he will hear it off air...

Page 72: ...ule s ON switch will automatically do this for you Inputs and Outputs All audio and control signals hook ups are made via two multi pin DB 25 connectors mounted at the top of the module and located underneath the hinged meterbridge The upper connector handles hybridinputsignals i e callerinput andtheexternalinputmentioned on page 7 2 The lower connector handles outputs including the module1 and 2 ...

Page 73: ...Post The module s CUE signals caller setup buttons 1 2 can tap pre or post fader When slide switch SW4 upper center is UP they are PRE when DOWN they are POST Factory default setting is PRE Mutes When the SPD 220 phone channel ON switch is pressed it can activate console mute functions The first three positions of dipswitch SW2 mounted slightly above of the module s CALLER FEED button determines w...

Page 74: ...ernal In port input gain Hook Ups As stated before all user wiring to and from SPD 220 modules takes place at DB 25 multi pin connectors mounted at the top of the module and located underneath the hinged meterbridge There are two connectors per module theupperonehandlesaudioinputsignals theloweraudiooutputs and control signals A pinout drawing on page 7 7 shows all wiring connections at a glance A...

Page 75: ... 2 Out SH Pin 18 To Hybrid 2 Out HI Pin 6 To Hybrid 2 Out LO Pin 17 Start Stop Common Pin 16 Stop Pin 15 Start Pin 4 Start Stop Common Pin 3 Stop Pin 2 Start Thelastsixcalloutsaresimplytwoparallel connectedsetsofpinsforthe same control port When the module s ON START switch is pressed a closure takes place between start stop common and START when the module s OFF switch is pressed a closure takes ...

Page 76: ...1 IN HI EXT 1 IN SH AUDIO GROUND 9 10 11 12 13 22 23 24 25 6 7 8 19 20 21 4 5 16 17 18 1 2 3 14 15 N C START STOP START STOP COM N C TO HYBRID 2 OUT LO TO HYBRID 1 OUT HI TO HYBRID 1 OUT SH CALLERS ONLY OUT LO COMPOSITE MINUS CALLERS OUT HI COMPOSITE MINUS CALLERS OUT SH COMPOSITE OUT LO N C START STOP START STOP COM TO HYBRID 2 OUT HI TO HYBRID 2 OUT SH TO HYBRID 1 OUT LO CALLERS ONLY OUT HI CALL...

Page 77: ...LLY 3 TO CONSOLE CONTROL BUSSES TRIM TRIM CUE DROPOUT ON OFF CALLER FEED MICS SUM OF CALLERS OUT COMMON SPD 220 Superphone Module Signal Flow Diagram LOGIC TIMER RESTART ST MUTE CUE PRE POST SLIDE SW CUE ASSIGN FET SW FADER 2 ANALOG TO DIGITAL CONVERTER ADC MIX MINUS CONTROL SIGNAL TO CPU DATA DATA EXT IN L H EXT IN SLIDE SW TRIM 220 Sep 2000 page 7 8 TRIM DIGITAL AUDIO CUE TRIM TEL TB MONITOR TB ...

Page 78: ... R M O D U L E Line Preselector Module Analog LS 220 optional Chapter Contents Overview 8 2 Internal Programming Options 8 2 Hook ups 8 3 Audio Inputs 8 3 Outputs 8 3 DB Connector Pinout Drawing 8 4 Line Preselector Signal Flow Diagram 8 5 220 Sep 2000 ...

Page 79: ...s it to one stereo output allowing you to expand the source capability of an input channel or monitor module All audio input and output signals are made via two DB 25 multi pin connectors mounted at the top of the module and located underneath the hinged meterbridge Internal Programming Options There are no internal programming options on the LS 220 module LS S O U R C E 1 2 3 4 5 6 I O B I O A W ...

Page 80: ...e Rt Out HI Pin 17 Line Rt Out LO LS 220 Audio Inputs 1 4 Lower DB 25 B Connector Pin 25 Line 1 Lt In SH Pin 24 Line 1 Lt In HI Pin 12 Line 1 Lt In LO Pin 11 Line 1 Rt In SH Pin 10 Line 1 Rt In HI Pin 23 Line 1 Rt In LO Pin 22 Line 2 Lt In SH Pin 21 Line 2 Lt In HI Pin 9 Line 2 Lt In LO Pin 8 Line 2 Rt In SH Pin 7 Line 2 Rt In HI Pin 20 Line 2 Rt In LO Pin 19 Line 3 Lt In SH Pin 18 Line 3 Lt In HI...

Page 81: ... RT IN LO LINE 5 LT IN HI LINE 5 LT IN SH N C 9 10 11 12 13 22 23 24 25 6 7 8 19 20 21 4 5 16 17 18 1 2 3 14 15 LINE 4 RT IN HI LINE 4 RT IN SH LINE 4 LT IN LO LINE 3 RT IN HI LINE 3 RT IN SH LINE 3 LT IN LO LINE 2 RT IN HI LINE 2 RT IN SH LINE 2 LT IN LO LINE 1 RT IN HI LINE 1 RT IN SH LINE 1 LT IN LO LINE 4 RT IN LO LINE 4 LT IN HI LINE 4 LT IN SH LINE 3 RT IN LO LINE 3 LT IN HI LINE 3 LT IN SH ...

Page 82: ...T S O U R C E S E L E C T 2 1 4 3 6 5 FRONT PANEL SWITCHES LOGIC 220 Sep 2000 LS 220 Line Preselector Signal Flow Diagram page 8 5 L H L H LINE 1 LT RT L H L H LINE 2 LT RT L H L H LINE 3 LT RT L H L H LINE 4 LT RT L H L H LINE 5 LT RT L H L H LINE 6 LT RT ...

Page 83: ...20 March 2000 T A P E R E M O T E M O D U L E Tape Remote Module TR 220 optional Chapter Contents Module Overview 9 2 DB Connector Pinout Drawing START STOP Function Control I O 9 3 Full Function Control I O 9 4 ...

Page 84: ...remotereel to reel machines The full function version provides RTZ for REW forFF STOP REC andPLAYbuttonsforasingle machine LED indicators in each switch function as tallyback indicatorsandarepoweredbythesourcemachine Thereareno internal connections between the tape remote panel and the console s power rails TR I O S T O P S T O P S T O P S T A R T S T A R T S T A R T R E M O T E W 026011A TR I O R...

Page 85: ...14 15 SW1 START LED SW1 START N O SW2 STOP LED SW2 STOP N O SW3 START LED SW3 START N O SW4 STOP LED SW4 STOP N O SW5 START LED SW5 START N O SW6 STOP LED SW6 STOP N O SW1 START LED SW1 START COMMON SW2 STOP LED SW2 STOP COMMON SW3 START LED SW3 START COMMON SW4 STOP LED SW4 STOP COMMON SW5 START LED SW5 START COMMON SW6 STOP LED SW6 STOP COMMON N C I O CONTROL PORTS DB 25 TR 220 SS Tape Remote Mo...

Page 86: ...8 1 2 3 14 15 SW1 RTZ LED SW1 RTZ N O SW2 FF LED SW2 FF N O SW3 REW LED SW3 REW N O SW4 STOP LED SW4 STOP N O SW5 REC LED SW5 REC N O SW6 PLAY LED SW6 PLAY N O SW1 RTZ LED SW1 RTZ COMMON SW2 FF LED SW2 FF COMMON SW3 REW LED SW3 REW COMMON SW4 STOP LED SW4 STOP COMMON SW5 REC LED SW5 REC COMMON SW6 PLAY LED SW6 PLAY COMMON N C I O CONTROL PORTS DB 25 TR 220 FF Tape Remote Module DB Connector Pinout...

Page 87: ... Overview 10 2 Replacement Parts 10 2 Digital Timer 10 3 Console Clock 10 3 Controls 10 3 Setting the time 10 4 Battery Backup 10 4 Operational Modes 10 4 Clock Timer CLK 220 Schematic 10 5 Load Sheet 10 6 Clock Timer Display CLD 220 Schematic 10 7 Load Sheet 10 8 220 Jun 2002 ...

Page 88: ...1 1 1 1 8 8 8 8 5 5 5 5 2 2 2 2 0 0 0 0 4 4 4 4 8 8 8 8 1 1 1 12 2 2 2 1 1 1 16 6 6 6 2 2 2 20 0 0 0 2 2 2 24 4 4 4 2 2 2 28 8 8 8 3 3 3 32 2 2 2 VU VU P R O G R A M Model 220 Digital Audio Conso F U L L S C A L E D I G I T A L F U L L S C A L E D I G I T A L 0 0 0 0 3 3 3 3 6 6 6 6 9 9 9 9 1 1 1 12 2 2 2 1 1 1 15 5 5 5 1 1 1 18 8 8 8 2 2 2 20 0 0 0 2 2 2 24 4 4 4 2 2 2 28 8 8 8 3 3 3 32 2 2 2 3 3...

Page 89: ...ck is a six digit time of day clock with LED display The clock is designed with CMOS circuits and an on board crystal controlled time base oscillator There are two basic parts to the clock a main PCB containing the clock circuits and clock set controls also may include battery or capacitor backup and second PCB containing displays Clock set controls may be accessed by opening the hinged meterbridg...

Page 90: ...release the SET button The clock will start counting Hit the MODE button three more times to place the clock into working mode Battery Backup With the meterbridge open note the nickel sized round Duracell DL2032 3V long life lithium battery it goes into the socket negative side in at the bottom of the clock display card Note the battery does NOT light up the clock display it powers the clock cryst...

Page 91: ... 220 Apr 2002 W 700575 29S0034 SA SA SA 4 8 02 CLK 220 E CLK 220 Clock Timer Schematic Sheet 1 of 1 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A R17 51 R16 51 D7 1N4002W D8 MBR130 J1 VCC GND R12 1 00K C11 1uF U2 74LS74 Q _ Q ___ __ CLR D PR CK U2 74LS74 Q _ Q ___ __ CLR D PR CK GND GND DS90C031 EN EN INA INB I...

Page 92: ......

Page 93: ... Display Schematic Sheet 1 of 1 220 Sep 2000 CLD 220B PCB 1 OF 1 Page 37 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 C L O C K T I M E R ...

Page 94: ......

Page 95: ...2 Analog Stereo Line ADC I O Card Schematic SLADC 220 11 3 Digital Stereo Line SRC I O Card Schematic SRC 220 11 4 Output Module I O Schematic OMD 220 11 5 Control Room Module I O Schematic CRD 220 11 7 Studio Control Module I O Schematic SCD 220 11 9 Superphone Module I O Schematic SPD 220 11 11 Line Select Module I O Schematic LS 220 11 13 ...

Page 96: ...Sheet 1 of 1 Page 8 220 Mar 2000 SA W 700554 MMADC 220 PCB 1 OF 1 SA 29S0011 MMADC 220 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 ...

Page 97: ...7 SLADC 220 Analog Stereo Line Input Module ADC Schematic Sheet 1 of 1 SA 3 24 0o SLADC 220 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 ...

Page 98: ...ematic Sheet 1 of 1 Page 6 220 Sep 2000 SA W 700552 SRC 220A PCB 1 OF 1 SA 29S0010 SRC 220 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 ...

Page 99: ... 1 of 3 Page 11 220 Aug 2000 SA W 700574 OMA 220A PCB 1 OF 3 SA 29S0012 OMA 220 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 ...

Page 100: ... OF 3 220 Aug 2000 Page 12 OMA 220 Output Module Schematic Sheet 2 of 3 OMA 220 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 ...

Page 101: ...eet 1 of 3 Page 22 220 Aug 2001 SA W 700556 CR 220A PCB 1 OF 3 SA 29S0026 CR 220 A B C D D C B A 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 SIZE FSCM NO DWG NO REV D SHEET SCALE DATE APPROVALS CONTRACT NO DRAWN ISSUED CHECKED New Bern NC 28562 600 Industrial Drive ...

Page 102: ... of 3 Page 23 220 Aug 2001 2 OF 3 29S0027 CR 220A PCB W 700556 SA SA SA 8 7 01 A A B C D D C B A 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 SIZE FSCM NO DWG NO REV D SHEET SCALE DATE APPROVALS CONTRACT NO DRAWN ISSUED CHECKED New Bern NC 28562 600 Industrial Drive ...

Page 103: ...heet 1 of 3 Page 25 220 Aug 2001 SA W 700571 SC 220A PCB 1 OF 3 SA 29S0030 SC 220 A B C D D C B A 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 SIZE FSCM NO DWG NO REV D SHEET SCALE DATE APPROVALS CONTRACT NO DRAWN ISSUED CHECKED New Bern NC 28562 600 Industrial Drive ...

Page 104: ...1 2 OF 3 220 Aug 2001 Page 26 SC 220 Studio Control Module Schematic Sheet 2 of 3 A B C D D C B A 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 SIZE FSCM NO DWG NO REV D SHEET SCALE DATE APPROVALS CONTRACT NO DRAWN ISSUED CHECKED New Bern NC 28562 600 Industrial Drive ...

Page 105: ...atic Sheet 1 of 4 Page 29 220 Mar 2000 SA W 700587 SPN 220 PCB 1 OF 4 SA 29S0004 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 ...

Page 106: ...20 Mar 2000 Page 31 SPN 220 Super Phone Module Schematic Sheet 3 of 4 SA 3 22 00 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 ...

Page 107: ...heet 1 of 3 Page 42 220 Jul 2000 SA W 700591 LS 220 PCB 1 OF 3 SA 29S0041 LS 220 CHECKED ISSUED DRAWN CONTRACT NO APPROVALS DATE SCALE SHEET D REV DWG NO FSCM NO SIZE 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 A B C D D C B A 600 Industrial Drive New Bern NC 28562 ...

Page 108: ...onents that in the course of normal use may need maintenance i e faders pots ON OFF switches indicatorlamps etc Acompletelistofavailablecomponents is shown on the next page Contact Wheatstone technical support for further information Wheatstone Corporation 600 Industrial Drive New Bern North Carolina USA 28562 may be reached by phone at 252 638 7000 fax 252 637 1285 electronic mail email wheatston...

Page 109: ...MMADC 220 CARD A TO D CONVERTER DAUGHTER BOARD FOR ANALOG MIC INPUTS 026044A VUD 220 CARD METERBRIDGE VU CARD 026045A CLK TMR 220 CARD CLOCK AND EVENT TIMER CARD 026046A MANUAL OWNER S MANUAL 026099A PSC D340 POWER SUPPLY CONSOLE POWER SUPPLY 007220 PS 220 CABLE CONSOLE POWER SUPPLY CABLE 026053A WIRED REPLACEMENT FADER WIRED FADER FOR IND 220 MODULES 052210A WIRED REPLACEMENT FADER WIRED FADER FO...

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