Auditronics 220 Digital Audio Console Technical Manual

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220 Digital Audio Console

TECHNICAL MANUAL

March 2000

220 Digital Audio Console Technical Manual - 1st Edition220 Digital Audio Console Technical Manual - 1st Edition

220 Digital Audio Console Technical Manual - 1st Edition

220 Digital Audio Console Technical Manual - 1st Edition220 Digital Audio Console Technical Manual - 1st Edition

R-16 / Dec 1997

220 / March 2000

AUDITRONICS 600 Industrial Drive New Bern, North Carolina 28562 252-638-7000

*a division of Wheatstone Corporation

Attention!

This console contains static sensitive devices:

Normal precautions against static discharge should be observed when handling individual modules. In particular, modules being packed for shipping for return or repair must be packed in special static protection bags before packaging. Damage caused by static discharge may not be covered under warranty.

Replacing Modules in a Powered-up Console:

While in an emergency situation it is possible to remove and insert modules on a powered-up console, Auditronics does not recommend this procedure. Whenever possible it is best to power down the console first before removing or 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 squarely (i.e., perpendicular) to the mating socket on the bottom pan of the console mainframe. The intent is to prevent a situation where one of the module's power pins makes significant contact before the others. (Naturally, this same precaution must be taken when using extenders.)

If the above instructions are followed the procedure should be routine; if they are not, you could run the risk of damaging the console's logic chips.

Again, to avoid ANY possibility of this damage, whenever possible we strongly recommend powering down the console before replacing any modules.

TTENTIONTTENTION

TTENTION

TTENTIONTTENTION

220 / March 2000

EADEAD

EAD

EADEAD

M M

Console Clock Battery Backup

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.

TTENTIONTTENTION

TTENTION

TTENTIONTTENTION

220 / March 2000

Console Clock Display Card

EADEAD

EAD

EADEAD

M M

CONTENTS

220 Technical Manual

Table of Contents

Chapter 1 – Installation and Power

Countertop Mounting................................................................. 1-2

Clearances.............................................................................................................. 1-2

System Ground .......................................................................... 1-2

Power Supply ............................................................................. 1-4

The PSC-D340 Power Supply ................................................................................1-5

Power Connector Pinout......................................................................................... 1-5

PSC-D340 Power Supply Schematic ...................................................................1-5A

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

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 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

220 / Sep 2000

220 / Oct 2001

page Contents – 1

CONTENTS

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

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

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

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

DB Connector Pinout Drawing

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

Chapter 3 - Output Module

Module Overview...........................................................................3-2

CPU.................................................................................................3-3

DSP.................................................................................................3-4

Serial Interface ..............................................................................3-5

Using Serial Interface ............................................................................................... 3-5

Internal Programming Options ....................................................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

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 Contents – 2

CONTENTS

Chapter 5 - Studio Control Module

Module Overview...........................................................................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

Chapter 6 - Virtual Dip Switch

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

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................................................................................................................. 7-4

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 Contents – 3

CONTENTS

Chapter 8 - Line Preselector Module

Module 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

Chapter 9 - Tape Remote Module

Module Overview...........................................................................9-2

DB Connector Pinout Drawing

START/STOP Function Control I/O.......................................................................... 9-3

Full-Function Control I/O .......................................................................................... 9-4

Chapter 10 - Meterbridge

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

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

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

Appendix

Replacement Parts List ............................................................... A-2

220 / Sep 2000

220 / Jun 2002

page Contents – 4

INSTALLATION and POWER

Installation and Power

Chapter Contents

Countertop Mounting................................................................. 1-2

Clearances.......................................................................................................... 1-2

System Ground .......................................................................... 1-2

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 / March 2000

220 / Oct 2001

page 1 – 1

INSTALLATION and POWER

Installation and Power

Countertop Mounting

The 220 digital audio console is designed for countertop drop-in mounting. Console placement should avoid proximity to any electromagnetic fields, such as large power transformers, motors, and fluorescent lighting fixtures. The required cut-out width is 37 1/4” and cut-out front-to-back dimension is 19”. The front of the console will extend approximately one inch forward of the cut-out. The console’s wooden sidepieces will extend about 7/8” on either side of the cut-out width.

Clearances

Note the two module extractor tools (black thumbwheel screws) mounted in the front surface of console’s lower mainframe pan (just above and to the left of the righthand headphone jack). These must be removed before lowering the console into its cutout!

Once in place the console mainframe pan will extend approximately 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 this rear cut-out line and 8 1/8” above the countertop surface.

Do not connect the 220 console to its power supply (and do not connect the power supply to the AC power line) until instructed to do so.

System Ground

The first step is to ground the console.

Note that as supplied from the factory, console rackmount power supply common, audio ground, and the 220 mainframe are connected together at the console, but are NOT connected to electrical ground and the chassis of the power supply. Safety requirements dictate that a positive connection from the console mainframe to electrical ground be

220 / March 2000

page 1 – 2

CONSOLE

AC BREAKER

BOX

EQUIPMENT RACK

EFFECTS RACK

MIC PANEL

GROUNDING SCHEME

I N S T A LL A TI O N a n d P O W E R

2-TRACK

MULTI-TRACK

POWER COMPANY

EARTH GROUND

COPPER ROD

3–5 ft.

GND

HEAVY (#4 or #6) COPPER

WIRE

SOIL

DEVICE 1

DEVICE 2

etc.

DEVICE N

HIGH POWER

CONSOLE POWER SUPPLY

CONTROL ROOM POWER AMP

STUDIO POWER AMP

OTHER

3-wire ground or separate wire run from chassis

TYPICAL SYSTEM

Tie the console ground lug terminal strip to the system earth ground. Tie every piece of equipment in the entire audio system to the console ground lug terminal strip.

made in the completed installation. Use one of the grounding lugs on the rear of the mainframe to establish your system ground. The grounding lug 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 one encounters in a discussion of ground:

(A) EARTH GROUND, which is usually a heavy copper rod driven into the soil adjacent to the building (around 6 feet down) or a connection to the copper water pipes leading into the building. Either is acceptable (unless, of course, the water pipe is made of plastic).

(B) THE POWER COMPANY EARTH CONDUCTOR that enters the building at the power line breaker box; this conductor should be (and is often by code) tied to the above-mentioned earth ground at one point. This point is the SYSTEM EARTH GROUND.

220 / March 2000

page 1 – 3

INSTALLATION and POWER

TIE THE CONSOLE GROUND LUG TERMINAL STRIP TO THE SYSTEM EARTH GROUND. TIE EVERY PIECE OF EQUIPMENT IN THE ENTIRE AUDIO SYSTEM TO THE CONSOLE GROUND LUG TERMINAL STRIP. If the system earth ground point is inaccessible, tie the console ground terminal strip to the power company earth conductor at the main breaker box (see drawing "Typical Grounding Scheme" on previous page).

Each piece of equipment should be connected by its own ground wire (usually the round third pin on the AC cord). This means that every AC outlet must have a separate conductor run to the console ground lug terminal strip; the outlets cannot be daisy-chained as is normally encountered in commercial and residential AC systems. Any equipment not supplied with 3-wire AC cables must have individual ground wires (16 gauge or larger) connected to their chassis grounds and then run to the console ground lug terminal strip.

Further Grounding Details

Check all equipment to be absolutely certain that each unit is power transformer isolated from the AC mains to prevent safety hazards.

It is assumed that in each 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 in the rack by means of nylon 10-32 screws and insulating washers between rails and faceplates.

Once the system is properly grounded, proceed with the console power supply installation and connection (next section).

Power Supply

The 220 console is powered by a Wheatstone Model PSC-D340 rackmount power supply. This heavy duty unit occupies three 19” wide rack spaces (total height 5-1/4”). Convection cooled, it requires ample ventilation space above and below it. Do not mount heat generating devices in the same rack cabinet.

Note the power supply should be mounted in an equipment rack within fifteen feet of the console (but no closer than 3 feet). Avoid locating any high gain equipment (such as phono preamps, tape recorders, etc.) too near the rackmount supplies, to avoid magnetic interference into that equipment.

220 / March 2000

220 / June 2001

If failsafe redundant supplies have been ordered, you will be installing two units and an additional rackmount panel.

page 1 – 4

INSTALLATION and POWER

Once the supply is rackmounted, it should be connected to the console using the factory supplied cable. The console’s power supply connector is located at the rear of the console, at the right end of the meterbridge bottom pan. If you are using one supply, connect it to the console connector. If you are using two supplies (failsafe option), connect the long power supply cable to the center connector of the rackmount failsafe panel. Then connect one supply with a short cable to either of the two remaining connectors on the failsafe panel and connect the second supply with a short cable to the last connector. Note that the power supply cable’s 10-pin female connector has to be rotated until its locating pins match the male connector on the console. Do not force a connector on; it attaches easily when properly aligned. Connect the cable first to the console, 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 tied to the central system ground point. Note that while the AC power

cord ground wire terminates at the power supply chassis, it does NOT connect to the 220 console common; the console itself must be grounded separately. (See previous section, "System Ground".)

The power feed recommended in the text is often installed and referred to in studios as an “isolated AC ground” outlet. It is usually orange in color.

PHANT

OFF

VD1

The PSC-D340 Power Supply

IJB

TYPICAL POWER

CONNECTOR

(10-pin)

Model PSC-D340 Power Supply

–

audio/phantom common

A :

+V audio

B :

-V audio

C :

digital common

D :

phantom power

E :

digital common

F :

+digital

G :

+digital

H :

n/c

I :

n/c

J :

220 / March 2000

220 / June 2001

page 1 – 5

+V AUDIO

10 PIN

OUTPUT

CONNECTOR

RED

AUDIO

COMMON

BLK

+DIG-1

YLW

DIGITAL

COMMON-1

GRN

PHANTOM

VIO

N/C

DIGITAL

N/C

+DIG-2

ORG

COMMON-2

BRN

-V AUDIO

BLU

7 OF 7

SHEET

00S0023E

WP16

6A4

WP25

OUTPUT

TEST

POINT

TP7

1uF

R17

1uF

GND

OUT

VIN

R13

R12

R11

PHANTOM

POWER ON

DIP SWITCH

C10

LM317

ADJ

.4A

POLYSW

C21

10K

0.0047uF

10uF

0.0047uF

470uF

WP23

63V

TP6

100V

1N4002

4OV

+40V

TEST

WP26

DS4

DS3

NOT

INSTALLED

D13

D12

1N4002

100

R16

TP2

D11

1N4002

+7.5V

LED

-16V

LED

SW1

6A4

C28

2200uF

+7.5V

TRIM

1N4002

123

500

CR3

R15

330

C15

1uF

D10

+48V

AGND

WP17

1.0K

.05

1uF

LM1085

OUT

ADJ

VIN

1uF

WP18

WP21

16V

ADJ

+16V

TEST

LM1085 1

OUTPUT

POINT

TP3

1uF

TP1

TP4

.05

OUT

VIN

WP20

WP22

1N4002

WP9

NOT

470

WP19

INSTALLED

DS6

DS5

C26

321

500

+16V

6A4

2200uF

+16V

CR1

1uF

WP12

+7.5V

LED

TRIM

620

WP15

D14

6A4

WP24

+7.5V

R20

330

7.5V

TP8

.05

R14

C13

1uF

LM1085

OUT

ADJ

VIN

C12

1uF

.05

R19

C17

LM1085

OUT

ADJ

VIN

C18

WP14

OUTPUT

POINT

TP5

220

R10

AGND

WP17

+7.5V

7.5V

TP4

.05

OUT

ADJ

VIN

LED

TRIM

WP16

330

.05

1uF

6A4

LM1085

OUT

ADJ

VIN

1uF

WP13

+40V

NOT

INSTALLED

DS2

DS1

+40V

1N4002

63V

C11

10uF

+40V

321

10K

CR2

470

100K

63V

10uF

C22

WP18

OUTPUT

TEST

POINT

TP3

1uF

LM1085 1

1uF

GND

WP9

WP12

WP22

WP19

WP21

WP20

+7.5V

LED

DS6

DS5

+16V

LED

NOT

INSTALLED

6A4

C26

2200uF

1N4002

NOT

INSTALLED

TP1

123

CR1

500

100

620

1uF

WP15

D14

6A4

AGND

WP24

R20

1.0K

.05

R14

1uF

C13

LM1085

OUT

ADJ

VIN

1uF

C12

.05

R19

WP25

16V

C17

LM1085 1

C18

-16V

TEST

OUTPUT

POINT

TP7

1uF

R17

1uF

D12

1N4002

R16

470

TP2

TP8

OUT

ADJ

VIN

DS4

DS3

NOT

INSTALLED

D13

C28

321

500

R15

C15

6A4

+7.5V

-16V

2200uF

-16V

CR3

620

1uF

WP26

LED

TRIM

PSC-D340

600 Industrial Drive

8-31-01

APPROVALS DATE

CHECKED

CONTRACT NO.

DRAWN

PS-410E PCB

New Bern, NC 28562

FSCM NO. DWG. NO.

SCALE

SIZE REV

W# 700259

ISSUED

WP1

WP2

C19

=23V

10000uF

50V

WP3

TP4

GRAY

MB3510

~19V

Z15L390

BLACK

~36VAC CT

~19V

Z15L390

BLACK

PS-410 PCB

(LEFT)

WP5

~11V

RED

50V

10000uF

C23

=14V

WP7

WP6

WP8

WP10

1N4002

MB3510

BLUE

~11V

Z15L390

RED

~22VAC CT

WHITEYELLOW

For 220-240 V operatin: Disconnect 1 & 3, 2 & 4; Connect 2 & 3.

115 OR 230 VAC 50-60Hz INPUT

~115VAC

ORAGEBLACK

A.C. SUPPLY CABLE

WHT/BLK

.0047uF

GRN

.0047uF

Z15L390Z15L390Z15L390Z15L390Z15L390

1N4002

C27

82V

82ZA2

0.47uF

1N4002

WHT/BLK

~42VAC

WP11

50V

C19

1N4002

WP1

10000uF

PS-410 PCB

(RIGHT)

=14V

WP2

WP3

TP4

WP5

MB3510

VIOLET

~11V

ORANGE

~22VAC CT

~19V

BROWN

~11V

ORANGE

MB3510

WHITE

WP6

~36VAC CT

C23

=23V

50V

10000uF

WP7

~19V

BROWN

GRN

STATIC

SHIELD

LM1085/LM317

IC PINOUT

WP8

ADJ

VIEWED FROM BOTTOM

(SOLDER SIDE)

CASE

OUT

H) +DIGITAL-1

G) +DIGITAL-2

F) DIGITAL COMMON-2

D) DIGITAL COMMON-1

C) -V AUDIO

B) +V AUDIO

E) +PHANTOM

A) AUDIO/PHANTOM COMMON

J) N/C

I) N/C

POWER SUPPLY CONNECTOR

RD-12/Aug 2001

Power Supply Schematic - Sheet 1 of 1

Page 85

INSTALLATION and POWER

Failsafe Dual Redundant Supply

Wheatstone failsafe power supply systems use two separate rackmount power supplies for each piece of powered equipment. Though either is capable of running a full load on its own, in failsafe operation both units run in tandem: if one fails, the other takes over, assuring uninterrupted operation.

NOTE dual failsafe supplies have their outputs trimmed to entirely different settings than stand-alone single units, and are MEANT to be run in tandem.

In order for failsafe systems to perform as designed, always have BOTH rackmount supplies powered up and connected to their associated equipment.

Energizing

Assuming the 220 console mainframe is properly placed and grounded, and its PSC-D340 power supply correctly rackmounted and connected to the console, you may now energize the PSC-D340 rackmount power supply by plugging it into the 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 rackmountOnce you have verified proper power-up, turn off the rackmount

Once you have verified proper power-up, turn off the rackmount

Once you have verified proper power-up, turn off the rackmountOnce you have verified proper power-up, turn off the rackmount power supply to de-energize the console. You may now proceed topower supply to de-energize the console. You may now proceed to

power supply to de-energize the console. You may now proceed to

power supply to de-energize the console. You may now proceed topower supply to de-energize the console. You may now proceed to wire up audio and control connections.wire up audio and control connections.

wire up audio and control connections.

wire up audio and control connections.wire up audio and control connections.

220 / March 2000

220 / June 2001

page 1 – 6

INSTALLATION and POWER

Audio and Control Wiring

All audio and control I/O connections to the 220 console are made through multipin DB-25 (or in the case of the OMD-220 Digital Control Ports, a DB-

15) connectors located on the top of the each module.

Connection Procedures

As supplied from the factory, the console requires no logic connections to function. Therefore an orderly installation begins with the audio wiring. Note this manual is organized by module type (inputs, outputs, monitor modules, etc.); each chapter contains detailed wiring instructions for its module type. Proceed through the manual, chapter by chapter, until all modules have been wired to suit your particular installation requirements. Once proper audio operation is verified, go back to each individual chapter and proceed with control wiring.

Digital Audio Connections

CABLE - All AES/EBU input and output digital audio connections are balanced and should be made using a high quality digital audio cable. Be sure to select a digital audio cable with an integral drain wire of the same wire gauge (AWG) as the twisted pair. Typical AES/EBU digital audio cable has a very low characteristic capacitance per ft (pF/ft), and a nominal impedance of 110Ω. 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 made with the supplied DB-25 male mating connectors. These crimp style connectors are the insulation displacement type and will accept wire gauge 24 - 28AWG.

SPDIF INPUTS - The SPDIF (Sony/Philips Digital Interface) or “consumer” digital audio interface is a two wire unbalanced signal typically on a single RCA style connector. To connect SPDIF devices to the 220 console simply wire the SPDIF center conductor (HOT) to the IND-220 “HI” input pin and SPDIF shell (ground) to the IND-220 “LO” input. Connect the IND-220 “SHIELD” at the console end only.

Analog Insert Points

Certain module signals have insert patch points in their signal chains to allow outboard audio processing. These include MONO MIC INPUTS (IND-

220).

Normally these points are internally bridged at the factory (via PCBmounted programming jumpers) prior to shipment. If you intend to use outboard signal loops at these points, you must reprogram these jumpers. See pages 2-3 (mic inputs).

220 / March 2000

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INSTALLATION and POWER

Unbalanced Connections (analog audio)

ANALOG INPUTS — Wire to the console with typical shielded two conductor cable (like Belden 9451), just as if you were connecting a balanced source. At the unbalanced source machine’s output, connect the black wire (LOW) to the shield. If the machine has a -10 dBu output, 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. Either the HIGH or LOW side of the output should be strapped to ground, with the output taken from the other side. (Normally you’d strap LOW to ground, and take HIGH to feed your unbalanced equipment.)

220 / March 2000

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INSTALLATION and POWER

HAND CRIMP TOOL WIRING INSTRUCTIONS

The supplied hand crimping tool (W/S#850068) is used for all I/O wiring connections to and from the console. It is to be used with the supplied pin (figure 1) intended for 24"-28" gauge wire.

(2) The terminal conductor tabs with stripped wire

are placed in anvil 26-28.

(3) Jaws fully closed; the insulation tabs have

been crimped.

INSULATION

TABS

INSULATION

STOPS HERE

CONDUCTOR

TABS

(1) Pin crimp terminal

1) Strip wire approximately 3/16" (insert in proper wire stripper, rotate one half turn, and pull insulation off wire).

2) Insert wire into terminal until wire insulation is stopped by conductor tabs, and place the conductor tabs on the anvil marked as 26-28 (figure 2).

3) CRIMP 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 motion until tip rests upon Housing. Then pull out the pin terminal from Housing. It should never be necessary to discard a connector due to a wiring error.

Note that metallized plastic hoods for each connector are also supplied with the console.

(4) Place extractor tip over pin terminal to be

removed.

220 / March 2000

page 1 – 9

INPUT MODULE

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 / March 2000

220 / Sep 2000

page 2 – 1

INPUT MODULE

Input Module (IND-220)

IND IND

I/O I/O

W# 026000AW# 026000A

Module Overview

The IND-220 is a dual input module with double wide faceplate, and having one main PCB card. Depending on the type of input signals the module will handle, it will also have any combination of two piggyback cards for mono microphone (-50dBu nominal), stereo line analog, or stereo line digital inputs. Each section of the dual module accepts two sources, A and B, switched at the top of the module.

IND-220 modules are for microphone input signals (-50dBu nominal) and for stereo line input signals. Each module accepts two mono/stereo sources: A and B, switched at the top of the module. They are available in three different versions: mono microphone inputs, analog stereo line inputs and digital stereo line inputs.

The mono version uses an MMADC-220 piggyback card at the input stage of the module. Phantom power is available at both input ports; it may be selectively activated by an internal jumper (the factory default is OFF). Recessed front panel multi-turn trimpots (range 38dB) adjust the level of the A and B inputs independently.

Example: with a microphone input of –60dBm @150Ω at the port,

gain trim can set levels from -22dBu to +16dBu (note maximum preamp gain is +76dB).

An insert point (+4dBu balanced) is provided: it is post-trim and may be internally bypassed, which is the factory default setting.

The ADC (analog-to-digital converter) version uses an SLADC220 piggyback card at the input stage of the module, and accepts +4dBu balanced analog input signals. Recessed front panel multiturn trimpots adjust the left and right levels..

The SRC (sample rate converter) version uses an SRC-220 piggyback card at the input stage of the module, and accepts digital (AES is factory default) input signals.

Output switches assign the selected source signal to any combination of the console’s four stereo outputs: PGM (program), AUD (audition), AUX (auxiliary) and/or UTL (utility).

Level is set by a long-throw fader.

The channel ON and OFF switches are at the bottom of the module. In addition to being controlled remotely, these can also be programmed (via VDIP program) to perform a variety of console control functions, including activating control room and studio mutes, talkbacks, external tallies, and timer restart.

All audio and control input and output signals are made via a multi-pin DB-25 connector mounted on the top of each individual module and located underneath the hinged meterbridge.

M1 / LT

MIC / LINE TRIM

M2 / RT

MIC IN

LINE IN

DIG IN

MODULE TYPE MODULE TYPE

A B

P G M

A S S

I G N

A U D

A U

U T L

CUE CUE

50 60

70 00

START

O N

O F F

A S S

I G N

MIC / LINE TRIM

MIC IN LINE IN

DIG IN

M1 / LT

M2 / RT

A B

P G M

A U D

A U

U T L

50 60

70 00

O N

F F

220 / March 2000

page 2 – 2

INPUT MODULE

Internal Programming Options

Internal programming for the mono mic module is made via printed circuit board (PCB) mounted jumpers on the module’s MMADC-220 piggyback card.

For the purposes of this manual, we will assume you are holding the removed module upright, component side towards you, with gold-plated card fingers to the left and the module faceplate to the right. This will enable you to read the control legends silkscreened next to each programming jumper.

Insert Bypass

Jumper J1(located at the center of the MMADC piggyback card) will bypass the module’s insert point in and out of the audio signal chain. Note again that the factory default is “insert bypassed”. In other words, when shipped from the factory J1 is installed.

Phantom Power

Jumpers J4 and J5 (located on the MMADC piggyback card next to CT2 connector) turns phantom power on and off for the module’s two microphone input ports.

J5 activates phantom power for microphone A J4 activates phantom power for microphone B

Note the factory default setting for phantom power is OFF.

Talkback

Typically, one of the 220 console’s input modules will be used for the control room (CR) console operator’s microphone. The jumper J2 (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 signal being fed to the studio and talent will hear his voice through the studio monitor speakers.

In order for the studio to reply to the console operator, the IND-220 module controlling the studio’s microphone signal must be routed to the console’s cue bus, where it can interrupt the regular control room monitor feed and be heard by the operator. This is accomplished by a user-supplied TB switch in the studio. The switch provides a momentary closure between the module’s DB-25 connector “TB to CR A” control pin and Digital Ground (see page 2-9 for wiring details). As long as this closure is maintained (i.e., as long as talent holds down the studio TB button) the module’s (pre-insert, pre-fader, pre-on/off) signal will be placed on the console’s Cue bus. Simultaneously, the module’s regular output will be muted (i.e., Cough will be activated) so the talkback signal doesn’t go out over the air.

220 / March 2000

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INPUT MODULE

VDT Programming Options

Mutes, timer restart, cue dropout, local/ready, tallies, and utility bus pre-fader programming are made via Virtual Dip Switch Software (see Chapter 6).

Hook-Ups

As stated before, all user wiring to and from IND-220 modules takes place at DB-25 multi-pin connector mounted on the top of each module. There is one connector per section of the double wide module. A pinout drawing on page 2-9, 2-10 and 2-11 shows all wiring connections at a glance.

Microphone Inputs

Audio Connections

These include A and B mic inputs, and insert in and out. The mic input level is nominally -50dBu. Insert points are +4dBu balanced in and out. 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 may be used as a channel direct output if desired.

Typical DB-25

connector

Control Connections

These include remote on and off, cough, talkback and tally functions. Note each function is available for A source port, allowing it to follow the module's A mic selector switch.

Pin 1 – Cough A Pin 2 – Off Tally A Pin 3 - Remote Off A

Pin 4 – Digital Ground Pin 5 – +5V Digital Pin 6 – Tally B

220 / March 2000

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INPUT MODULE

Pin 14 – TB to CR A Pin 15 – On Tally A Pin 16 – Remote On A Pin 17 – Digital Ground Pin 18 – +5V Digital Pin 19 – Digital Ground

To Turn the Module ON & OFF from a Remote Location

REMOTE ON — Activates the module’s channel ON switch. Provide a momentary closure between Pin 16 (Remote On A) and Digital Ground (Pins 4, 17 or 19). This will latch the module ON. (Usersupplied momentary contact switch required.)

REMOTE OFF — Activates the module’s channel OFF switch. Provide a momentary closure between Pin 3 (Remote Off A) and Digital Ground (Pins 4, 17 or 19). This will latch the module OFF. (User-supplied momentary contact switch required.)

COUGH — Temporarily Mutes the module. Provide a closure between Pin 1 (Cough A) and Digital Ground (Pins 4, 17 or 19). This will turn the module OFF. Note this is a non-latching mode; the module will turn ON again as soon as the closure stops. (User-supplied momentary contact switch required.)

Typical DB-25

connector

Talkback to Control Room

If an IND-220 module is being used for a studio microphone, this connection allows talkback from that studio to the console operator. Provide a closure between Pin 14 (TB to CR A) and Digital Ground (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. (Requires user-supplied momentary action TALKBACK switch at the studio microphone location.)

On Tally

Lets the module’s channel ON switch control an on-air light or other “microphone on” indicator at a remote location. This control function provides a continuous closure (open collector) between Pin 15 (On Tally A) and Digital Ground (Pins 4, 17 or 19) whenever the module is ON.

This closure can be used to control an externally powered tally light that requires a continuous closure to function. Or an external tally light (i.e., LED) can be powered from the input module by connecting the external LED to +5V Digital (Pin 5 or Pin 18) and the A On Tally port. In either case, current should not exceed 30 milliamps.

We recommend a series resistor between the LED and +5V digital when you are powering the external tally from the console; a value of 220Ω (1/4W 5%) is suggested.

220 / March 2000

page 2 – 5

INPUT MODULE

Off Tally

Identical to “On Tally” (preceding), only this tally is active when

the module is OFF. Off Tally A is Pin 2.

Tally B

Provides a remote indication that the module’s B source has been selected. This control function provides a continuous closure (open collector) between Pin 6 (Tally B) and Digital Ground (Pins 4, 17 or 19) whenever the B source is selected.

This closure can be used to control an externally powered tally light that requires a continuous closure to function. An external tally light (i.e., LED) can be powered from the input module by connecting the external LED to +5V Digital (Pin 5 or Pin 18) and the B Tally port. In either case, current should not exceed 30 milliamps.

Stereo Line Analog Inputs

We recommend a series resistor between the LED and +5V digital when you are powering the external tally from the console; a value of 220Ω (1/4W 5%) is suggested.

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 In Rt LO

Stereo Line Digital Inputs

Audio Connections

These include A and B source inputs (AES).

Pin 25 – Line A AES SH Pin 24 – Line A AES HI Pin 12 – Line A AES LO

Pin 11 – Line B AES SH Pin 10 – Line B AES HI Pin 23 – Line B AES LO

Typical DB-25

connector

220 / March 2000

220 / Sep 2000

page 2 – 6

INPUT MODULE

Control Connections

These are identical for stereo line analog and digital versions of the

IND-220 module.

All control ports (except Tally B) are opto-isolated. Functions include remote on and off, on tally, ready, and start/stop for remote source machines. Each function is available for the A source port, allowing it to follow the module's A source selector switch.

Pin 1 – Ready APin 2 – Ready A+ Pin 3 – Start A+

Pin 4 – Stop A+ Pin 5 – Start/Stop Com A Pin 6 – Tally B Pin 14 – Remote On APin 15 – Remote On A+

Pin 16 – Remote Off APin 17 – Remote Off A+ Pin 18 – +5V Digital

Pin 19 – Digital Ground

Typical DB-25

connector

To Turn the Module ON & OFF from a Remote Location

In the case of stereo line input modules, “remote location” can also refer to a remote source machine that is feeding its audio to the module in question. A 5VDC signal, as 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 signal between Pins 16 and 17 (Remote Off A). This will latch the module OFF. Be sure to observe the polarity as indicated above and on the pinout diagram on pages 2-10, 2-11.

To START and STOP Remote Source Machines Using Module ON/OFF Switches

EXTERNAL START — Hook up the remote machine’s “start” control pins to the IND-220 module’s lower DB-25 connector control pins: for START A wire to pins 3 and 5.

EXTERNAL STOP — Hook up the remote machine’s “stop” control pins to the IND-220 module’s lower DB-25 connector control pins: for STOP A wire to pins 4 and 5.

220 / March 2000

page 2 – 7

INPUT MODULE

Note that these are opto isolated outputs. START/STOP COM A (pin 5) connects to the opto emitters, while the remaining connections (START A, pin 3 and STOP A, pin 4) connects to the opto collectors. Correct polarity must be observed in wiring to these connections.

To Control the Module’s OFF Switch LED with an External Source Machine

READY — Hook up the remote machine’s “ready” control pins to the IND-220 module’s DB-25 connector control pins: for READY A wire to pins 1 and 2. The module’s Ready port is looking for a 5VDC signal with pin 2 positive with respect to pin 1 (READY A). As long as the voltage is present in the correct polarity, the OFF switch LED will be illuminated.

Tally B

This closure can be used to control an externally powered tally light that requires a continuous closure to function. An external tally light (i.e., LED) can be powered from the input module by connecting the external LED to +5V Digital (Pin 18) and the B Tally port. In either case, current should not exceed 30 milliamps.

We recommend a series resistor between the LED and +5V digital when you are powering the external tally from the console; a value of 220Ω (1/4W 5%) is suggested.

220 / March 2000

page 2 – 8

INPUT MODULE

IND-220 Mono Mic Input

DB Connector Pinout

I/O PORTS

ANALOG

AND

LOGIC

COUGH A

OFF TALLY A

REMOTE 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

MIC A IN LO

AUDIO GROUND

1 2

3 4 5 6

7 8 9

11 12 13

14 15

18 19 20

21 22 23

24 25

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

220 / March 2000

page 2 – 9

INPUT MODULE

–

IND-220 Stereo Line Input

Analog Version DB Connector Pinout

I/O PORTS

ANALOG

AND

LOGIC

READY A

READY A +

START A +

STOP A +

START/STOP COM. A

TALLY B

LINE B IN RT HI

LINE B IN RT SH

LINE B IN LT LO

LINE A IN RT HI

LINE A IN RT SH

LINE A IN LT LO

AUDIO GROUND

1 2

7 8

9 10 11 12 13

14 15 16

17 18 19 20

21 22 23 24

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

220 / March 2000

page 2 – 10

INPUT MODULE

–

IND-220 Stereo Line Input

Digital Version (SRC) DB Connector Pinouts

I/O PORTS

DIGITAL

AND

LOGIC

READY A READY A +

START A +

STOP A +

START/STOP COM. A

TALLY B

N/C N/C N/C

LINE B AES HI

LINE B AES SH

LINE A AES LO

N/C

1 2

7 8

9 10 11 12 13

14 15 16

17 18

19 20

21 22 23 24

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

220 / March 2000

page 2 – 11

LOGIC

PORTS

ON OFF ON TALLY OFF TALLY COUGH A/B TALLY TB TO CR

LOGIC

A/B

INPUT SELECT

FRONT PANEL SWITCHES

BUS ASSIGN SWITCHES

PGM AUD AUX UTL

LOGIC

OFF

CHANNEL ON/OFF

CUE ASSIGN

CUE

A Logic Follow

VDIP

SWITCH

CR MUTE STUDIO MUTE

TIMER RESTART

TB TO ST MUTE TALLY 2

TALLY 3 AIR TALLY

UTIL BUS PRE-FADER

CUE LOGIC

DIGITAL AUDIO

DATA

TO CONSOLE CONTROL BUSSES

MIC

Phantom

OUT

INSERT

Analog

TRIM

A / B

LOGIC

A B

S E L E C T

F E T

INSERT

BYPASS

FADER

ANALOG TO

DIGITAL

CONVERTER

TB MONITOR

(ADC)

TO CONSOLE AUDIO BUSSES

220 / Sep 2000

MMADC-220

DAUGHTER CARD

MONO MIC INPUT

IND-220 Input Module - Signal Flow Diagram

page 2 - 12

LOGIC

PORTS

ON OFF START STOP

A/B TALLY

READY

A/B

INPUT SELECT

FRONT PANEL SWITCHES

BUS ASSIGN SWITCHES

PGM AUD AUX

A / B

LOGIC

UTL

LOGIC

OFF

CHANNEL ON/OFF

CUE ASSIGN

CUE

FADER

A Logic Follow

VDIP

SWITCH

CR MUTE STUDIO MUTE

TIMER RESTART

TB TO ST MUTE TALLY 2

TALLY 3

UTL BUS PRE-FADER AIR TALLY

CUE LOGIC

TO CONSOLE CONTROL BUSSES

DIGITAL AUDIO DATA

INPUT

Analog

INPUT

TRIM

A B

E L E C T

F E

T S

TRIM

ANALOG TO

DIGITAL

CONVERTER

(ADC)

SLADC-220

DAUGHTER CARD

Digital

B S

E L E C T

AES

RECEIVER

SAMPLE

RATE

CONVERTER

(SRC)

SRC-220

STEREO LINE INPUT

ANALOG OR DIGITAL

220/Sep 2000

DAUGHTER CARD

IND-220 Input Module - Signal Flow Diagram

page 2 - 13

OUTPUT MODULE

Output Module

(OMD-220)

Chapter Contents

Module Overview........................................................................ 3-2

CPU.............................................................................................. 3-3

DSP.............................................................................................. 3-4

Serial Interface ........................................................................... 3-5

Using the Serial Interface ....................................................................................... 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 / March 2000

220 / Sep 2000

page 3 – 1

OUTPUT MODULE

Output Module

(OMD-220)

OMD

OUT

ANALOG

W# 026003A

I/O RS-232 RS-485

OUT

DIGITAL

Module Overview

Master output module handles the console’s Program, Auxiliary, Audition and Utility outputs and outputs analog, digital signals and meter output signals.

The OMD-220 module is the console’s central controller (CPU) and digital signal processor (DSP).

The 220 Digital Audio console is provided with a serial interface port, which is located on the lower DB-15 connector of the OMD-220 module (see connection diagrams for pin-outs and other details). This serial interface is designed to provide a number of functions including external control and set-up, system interface, etc. Through this serial interface, the 220 console’s control protocol is available, allowing visibility and control of the console switches and other functions. The “Virtual Dip Switch” application program (supplied with the 220 console) communicates set up information through this serial interface (see Chapter 6).

Each 220 console 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 switched VU meter pair. When cue is de-activated, the switched meter pair goes back to it’s previously selected signal.

The OMD-220 module also generate the console’s monitor signals, which feed the Control Room and Studio modules.

All user wiring to and from the OMD-220 module takes place at DB-25 and DB-15 multi-pin connectors mounted on top of the module and located underneath the hinged meterbridge. There are two DB-25 connectors: the left one handles analog outputs; the right one handles digital outputs (AES format) and one DB-15 connector handles digital control ports. All analog audio is +4dBu balanced. Pinout drawings on pages 3-10 and 3-11 show all wiring connections at a glance.

CUE

A U D

A U X

T L

SWITCHED

LOC REM

220 / March 2000

page 3 – 2

OUTPUT MODULE

CPU

The OMD-220 module is the master control module for the 220 Digital Audio Console. By monitoring the various console modules and serial ports, the OMD-220 controls all of the console audio and logic functions. Because the system architecture is designed to work by communicating function and status changes, the 220 console is very responsive and fault tolerant.

The OMD-220 has several functions and modes that can be configured by the user. These are normally set to default values at the factory, and should not be altered casually.

1. The first function is the console ID address. This function is set using jumpers J12 - J19. This address is used to identify the console serial interface port so that external devices such as automation systems, the VDip software, and external controllers will communicate with the console correctly. Because the 220 serial interface port can be configured as an RS-485 device, and multiple consoles can be connected to the same RS-485 bus, each console needs a unique address to identify it properly on the bus, ensuring that the right commands get passed to the correct console. The specific address set is unimportant except that any external controller must use a matching address to communicate with the console. The address is set with the jumpers in binary format (for example with all jumpers removed the address is “0”, with the first jumper inserted, the address is “1”, with just the second jumper inserted the address is “2”, with the first and second jumpers inserted the address is “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 RS485 bus system.

2. The second function is serial interface configuration. Jumpers J1-3 and J24 control the serial interface protocol and RS-485 termination for the serial port on the OMD-220 module. This port can be configured as RS-232 or RS485, and terminated or unterminated via these jumpers. Again, the default settings are for normal operations and should not be changed unless you are using the console in an RS-485 bus system. Consult the sections “Serial Interface”, page 3-5, and “Internal Programming Options”, page 3-6 to 3-7, for specific configurations. Jumper J11 is also used with the serial interface; by installing it, the normal checksum in the serial protocol is disabled. This can be useful with some external control devices which are not equipped to generate a checksum in their messages.

3. The third function is nominal audio make-up gain. Jumpers J4 - J6 are used to establish the master gain setting for the 220 console. This allows users to configure the nominal fader setting and signal headroom to suit their specific needs or preferences. The digital audio signals entering the 220 console are usually normalized in the recording or transmitting process for

220 / March 2000

page 3 – 3

OUTPUT MODULE

peak signals such that the absolute maximum peak signal is very close to, but does not exceed, the maximum or highest digital word in the AES bit stream. This implies that any decrease in signal caused by placing the console fader at a “normal” setting somewhat less than full up needs to be made up at the output of the console or the signal will be lower than it was at the source. Radio consoles are normally operated with their faders at less than full up to allow for some control over level and mixing ( if a signal is too low or quiet, the fader can be moved up until the signal matches the normal levels as shown in the console meters.). By using the jumpers, the user can configure what the normal fader setting (and hence the output make-up gain) should be. Consult the “Global Gain” table in the “Internal Programming Options” section, page 3-7, for the gain values. The 220 console is normally shipped with a make-up gain setting of +12dB for a nominal fader setting of

-12dB from the top. Note that setting the make-up gain too high for the signals and fader settings used can result in a clipped or distorted signal, just as it could with an analog console.

4. The fourth function is serial interface control. The front panel of the OMD-220 module has a pushbutton LOC/REM switch. Activating this switch will enable the remote serial interface to the console, and deactivating 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; the console will respond to any command regardless of where it comes from. When the interface is disabled, the console will not respond to any commands sent to the remote serial interface; it will respond only to the console switches and faders.

DSP

DSP functions solely as a mix engine, combining all of the console audio signals as directed by the console faders and switches to produce the various output mixes for PROGRAM, AUDITION, AUXILIARY, UTILITY, CUE, and TELEPHONE.

The DSP operates at a factory set sample rate, normally 48KHz, which dictates the output sample rate of the 220 console digital outputs. Consult Wheatstone Tech Support if you wish to use a different output sample rate. Since all of the console digital inputs are equipped with sample rate converters, the console inputs will accept any sample rate between the range of 1/2 to twice the output sample rate, and will actually track a variable sample rate as long as it remains within this range. This feature allows you to interface different types of digital sources into the console, each with different sample rates.

220 / March 2000

page 3 – 4

OUTPUT MODULE

Serial Interface

Using the Serial Interface

The 220 Serial Interface is designed to support serial communications under the RS-422/485 and -232 protocols. The proper serial interface protocol must be selected (via jumpers on the OMD-220 module) or else serial communications will not function correctly. No serial interface connections are required for normal, stand alone operation of the 220 console; in fact the console will work normally with an improper connection to the serial interface. The function of the serial interface is to enable remote operation of the 220 console functions; local operation of the console switches and faders will always override any remote commands that may have been sent via the serial interface. In addition, the LOC/REM button on the OMD-220 module can be used to disable any serial communications with the 220 console. Toggling the switch “ON” and “OFF” alternately enables and disables the serial interface port on the 220 console. The pushbutton LOC/REM switch lights when the serial interface is active. Remember, the 220 console can always be controlled by its faders and switches regardless of the status of the serial interface. If remote control 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 configuration changes (mutes, tallys, etc.) by means of the “Virtual Dip Switch” program supplied with the console and described in Chapter 6 of this manual. To do this, the “Virtual Dip Switch” program must first be installed on a suitable PC, and a serial cable connected from the COM port of your PC to the DB-15 connector on the OMD-220 module. Be sure that the RS-232 mode for the console serial interface (the default setting) has been selected via the jumpers on the OMD-220 module. Push the LOC/REM button to enable remote operation and start the program on the PC. Use the program as described in this manual to modify the 220 console configuration. Once the configuration has been set, the PC can be disconnected from the console.

Another use for the 220 Serial Interface is for complete remote operation by an external control system. When used in this way, the 220 console acts as a passive listener to the serial interface awaiting serial protocol commands. Any external system that can deliver serial text strings in the proper serial protocol format will be able to control the console. Consult Auditronics Technical Support for more details on enabling this functionality.

220 / March 2000

page 3 – 5

OUTPUT MODULE

Internal Programming Options (CPU)

All internal programming is made via printed circuit board mounted jumpers on the module’s PR-220 PCB card.

Global Settings

Jumpers J10 - J25 determines various console operating parameters:

Bit Weight J19 0 1 J18 1 2 J17 2 4 J16 3 8

Console

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, install jumpers J15 and J19

In multi-console, RS-485 connected system, each 220 console MUST have a unique Console ID#. Default Console ID is 1 (J19 - installed).

J11 - ignore serial input checksum byte (default not installed) J10 - not used J9 - not used J8 - not used

Misc

Note: Some automation systems may require J11 to be installed.

220 / March 2000

page 3 – 6

OUTPUT MODULE

J7 - not used

Global

J6 - 8dB J5 - 4dB

Gain

J4 - 2 dB

Note: These jumpers set the fader scale factor that will be applied to each input module at the DSP stage. Default setting is 12dB (J6 and J5 - installed).

J24 - RS-485/RS-232 Select

Jumper J24 selects the hardware interface type (RS-485 or RS-232) for the 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

220 / March 2000

page 3 – 7

OUTPUT MODULE

Hook-Ups

As stated before, all user wiring to and from the OMD-220 modules takes place at two DB-25 and one DB-15 multi-pin connectors on the top of module.

Upper Left DB-25 Connector – Analog Audio Outputs

Includes Program, Audition, Auxiliary and Utility outputs. All signals are +4dBu balanced.

Pin 25 – PGM Lt Out SH Pin 24 – PGM Lt Out HI Pin 12 – PGM Lt Out LO

Pin 11 – PGM Rt Out SH Pin 10 – PGM Rt Out HI Pin 23 – PGM Rt Out LO

Pin 22 – AUD Lt Out SH Pin 21 – AUD Lt Out HI Pin 9 – AUD Lt 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

Typical DB-25

connector

Upper Right DB-25 Connector – Digital Outputs

Handles digital Program, Audition, Auxiliary and Utility outputs.

Pin 25 – PGM AES/SPDIF Out SH Pin 24 – PGM AES/SPDIF Out HI Pin 12 – PGM AES/SPDIF Out LO

Pin 22 – AUD AES/SPDIF Out SH Pin 21 – AUD AES/SPDIF Out HI Pin 9 – AUD AES/SPDIF Out LO Pin 19 – AUX AES/SPDIF Out SH

220 / March 2000

page 3 – 8

OUTPUT MODULE

Pin 18 – AUX AES/SPDIF Out HI Pin 6 – AUX AES/SPDIF Out LO

Pin 16 – UTL AES/SPDIF Out SH Pin 15 – 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

220 / March 2000

page 3 – 9

OUTPUT MODULE

OMD-220 Outputs

DB Connector Pinouts

ANALOG

OUTPUTS

(Upper Left

DB-25)

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

AUDIO GROUND

UTL RT OUT HI

UTL RT OUT SH

UTL LT OUT LO AUX RT OUT HI

AUX RT OUT SH

AUX LT OUT LO

AUD RT OUT HI

AUD RT OUT SH

AUD LT OUT LO PGM RT OUT HI

PGM RT OUT SH

PGM LT OUT LO

AUDIO GROUND

2 3

4 5 6

7 8

9 10 11

N/C

UTL AES/SPDIF OUT HI

UTL AES/SPDIF OUT SH N/C

17 18

AUX AES/SPDIF OUT HI

AUX AES/SPDIF OUT SH N/C

AUD AES/SPDIF OUT HI

AUD AES/SPDIF OUT SH

N/C PGM AES/SPDIF OUT HI

PGM AES/SPDIF OUT SH

1 2

10 11 12

14 15

16 17

UTL RT OUT LO UTL LT OUT HI UTL LT OUT SH AUX RT OUT LO

18 19

7 8

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

DIGITAL

OUTPUTS

(Upper Right

DB-25)

220 / March 2000

page 3 – 10

OUTPUT MODULE

OMD-220 Digital Control Ports

DB Connector Pinouts

COM

SERIAL I/O PORTS

(Lower Right

DB-15)

RS-485

RS-232

RX+

DIGITAL GROUND

TX -

DTR

DIGITAL GROUND

RTS

DIGITAL GROUND

1 2

RX -

TX +

DIGITAL GROUND

DSR CTS

DIGITAL GROUND

RS-485

RS-232

220 / March 2000

page 3 – 11

DAC

PROGRAM

AUXILIARY

AUDITION

DIG OUT

PGM LT

H L

PGM RT

H L

DIG OUT

AUX LT

H L

AUX RT

H L

DIG OUT

AUD LT

H L

AUD RT

H L

OUT

PGM LT

MONITOR

PGM RT

MONITOR

AUX LT

MONITOR

AUX RT

MONITOR

AUD LT

MONITOR

AUD RT

MONITOR

PGM DATA

I T C H E D

V U

SWITCHED DATA

TO CONSOLE METERS

FROM DSP

DAC

UTILITY

CUE

TEL MONITOR

DIG OUT

UTL LT

H L

UTL RT

H L

OUT

CUE LT

MONITOR

CUE RT

MONITOR

TEL 1,2

MONITOR

TEL 3,4

MONITOR

UTL LT

MONITOR

UTL RT

MONITOR

S E L E C T

CUE LOGIC

FROM CONSOLE

CONTROL BUSSES

V U

AUD

E L E

AUX

C T

UTL

O G

FRONT PANEL

SWITCHES

220 / Sep 2000

Master Outputs - Signal Flow Diagram

page 3 - 12

AUDIO DATA

FROM INPUTS

CONTROL

CONTROL DATA

FROM INPUTS

DSP

AUDIO DATA OUT

TO DSP

220/Sep 2000

CPU

CONTROL

TO INPUTS

LOCAL/REMOTE

SWITCH

SERIAL

INPUT

CPU/DSP - Signal Flow Diagram

page 3 - 13

CONTROL ROOM MODULE

Control Room Module

(CRD-220)

Chapter Contents

Module 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 / March 2000

220 / Sep 2000

page 4 – 1

CONTROL ROOM MODULE

Control Room Module

CRD

I/O A

W# 026004A

I/O B

(CRD-220)

Module Overview

The CRD-220 module is the 220 console operator’s monitor module. It allows him to listen to the console’s four stereo outputs (PGM, AUD, AUX & UTL) as well as two external stereo line level inputs brought directly into the module.

The CRD-220 also houses console HEADPHONE and CONTROL ROOM circuits, which follow the source selection switches.

There are two types of headphone output: the +4dBu balanced output at the module’s upper DB-25 connector (pre-level control), and the headphone jack mounted on the bottom of the module, which is actually the output from a builtin headphone amplifier. It is this built-in amp that is controlled by the module’s front panel HEADPHONE level control.

The CUE master level control sets the level of the console’s cue signal.

Whenever CUE is activated elsewhere on the console (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-mounted jumpers. See “Cue Interrupt” on next page.

All user wiring to and from the CRD-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 audio outputs and the console on-air tally control signals; the lower accepts the two external source inputs. All audio connections are stereo line level analog signals (+4dBu balanced). A pinout drawing on page 4-5 shows all wiring connections at a glance.

S E L E C T

CUE

HEADPHONE

CONTROL ROOM

E X

T 1

E X T 2

P G M

A U D

A U X

U T L

220 / March 2000

HEADPHONES

page 4 – 2

CONTROL ROOM MODULE

Internal Programming Options

There are five user-programmable jumpers on the CRD-220 located on the center of the module’s PCB card to set various cue interrupt modes and cue mute (see below).

Cue Interrupt

Jumpers J2, J3, J4 and J5 determines how the console’s Cue function

will interrupt regular monitor signals:

J5 sends cue to CR left J4 sends cue to CR right J3 sends cue to HDPN left* J2 sends cue to HDPN right*

Cue Mute

As Cue is also fed to the console’s built-in meterbridge speakers, 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)

*factory default settings

Hook-Ups

As stated before, all user wiring to and from the CRD-220 module takes place at two DB-25 multi-pin connectors mounted at the top of the module.

Upper DB-25 “A” Connector — Audio

Includes cue, headphone and control room outputs. All audio signals are +4dBu balanced, analog stereo.

Pin 25 – Lt Cue Out SH Pin 24 – Lt Cue Out HI Pin 12 – Lt Cue Out LO

Pin 11 – Rt Cue Out SH Pin 10 – Rt Cue Out HI Pin 23 – Rt Cue Out LO

Pin 22 – Lt Hdpn Out SH Pin 21 – Lt Hdpn Out HI Pin 9 – Lt Hdpn Out LO

Pin 8 – Rt Hdpn Out SH Pin 7 – Rt Hdpn Out HI

See pinout drawing on page 4-5 for all wiring connections at a glance.

Typical DB-25

connector

220 / March 2000

page 4 – 3

CONTROL ROOM MODULE

Pin 20 – Rt Hdpn Out LO Pin 19 – Lt CR Out SH

Pin 18 – Lt CR Out HI Pin 6 – Lt CR Out LO

Pin 5 – Rt CR Out SH Pin 4 – Rt CR Out HI Pin 17 – Rt CR Out LO

Upper DB-25 “A” Connector — Control

The console’s on-air tally port is on the CRD-220 upper DB-25 A connector. This is a simple relay closure that activates whenever programmed input modules are turned ON (see page 2-4). The port can be used to control an externally powered tally light that requires a continuous closure to function.

Pin 14 – On-Air Tally Relay COM Pin 1 – On-Air Tally Relay N.O.

Maximum current through the on-air tally relay closure is 2 amps @30VDC.

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 – Lt Ext 2 In SH Pin 15 – Lt Ext 2 In HI Pin 3 – Lt Ext 2 In LO

Pin 2 – Rt Ext 2 In SH Pin 1 – Rt Ext 2 In HI Pin 14 – Rt Ext 2 In LO

Typical DB-25

connector

220 / March 2000

page 4 – 4

CONTROL ROOM MODULE

CRD-220 Control Room

DB Connector Pinouts

I/O A PORTS

(Upper DB-25)

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

ON-AIR RELAY N.O.

N/C N/C

CR RT OUT HI

CR RT OUT SH

CR LT OUT LO

HDPN RT OUT HI

HDPN RT OUT SH

HDPN LT OUT LO

CUE RT OUT HI

CUE RT OUT SH

CUE LT OUT LO

AUDIO GROUND

N/C N/C

N/C N/C N/C

N/C N/C

7 8

9 10 11 12 13

19 20

21 22 23

24 25

7 8

9 10 11 12

ON-AIR RELAY COM N/C

N/C

CR RT OUT LO

CR LT OUT HI

CR LT OUT SH

HDPN RT OUT LO

20 21

HDPN LT OUT HI HDPN LT OUT SH

CUE RT OUT LO

23 24

CUE LT OUT HI

CUE LT OUT SH

EXTERNAL 2 RT IN LO EXTERNAL 2 LT IN HI EXTERNAL 2 LT IN SH

EXTERNAL 1 RT IN LO EXTERNAL 1 LT IN HI EXTERNAL 1 LT IN SH N/C

N/C N/C N/C

N/C N/C

I/O B PORTS

(Lower DB-25)

220 / March 2000

page 4 – 5

FROM CR MUTE BUS

FROM CUE LOGIC BUS

FROM CONSOLE

CONTROL BUSSES

H L

EXT 1

H L

EXT 2

H L

PGM

AUD

AUX

FROM CONSOLE MONITOR BUSSES

UTL

FROM CUE MONITOR BUS

S O U R C E

S E L E C T

F E T

FROM CONSOLE

TALLY BUSSES

AIR TALLY

LOGIC

FRONT PANEL SWITCHES

EXT 1 EXT 2 PGM

LOGIC

C U E

L E V E L

AUD AUX UTL

INTERRUPT/

MUTE

CUE

MONO

MUTE

FET SW

CUE MUTE

ENABLE

CUE SPKR

CUE OUT

HDPN OUT

HDPN JACK

CR OUT

CONTROL

ROOM

RELAY

H D

HDPN

MONO

INTERRUPT

FET SW

C R

L E V E

MONO

LOW VOLTAGE CONTACTS

INTERRUPT

FET SW

R R

CUE TO LT

HDPN

CUE TO RT

HDPN

CUE TO

LT CR

CUE TO

RT CR

P N

L E V E L

MONITOR

220/Sep 2000

CRD-220 Control Room Monitor - Signal Flow Diagram

page 4 - 6

STUDIO CONTROL MODULE

Studio Control Module

(SCD-220)

Chapter Contents

Module Overview........................................................................ 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 / March 2000

220 / Sep 2000

page 5 – 1

STUDIO CONTROL MODULE

Studio Control Module

(SCD-220)

Module Overview

The SCD-220 module is similar to the CRD-220 control room module, only it controls monitor audio and talkback to an additional (“non-control room”) studio. The monitor signal being sent to this studio follows the source select switching. This switching is identical to the control room module’s and includes the console’s four stereo outputs (PGM, AUD, AUX & UTL) as well as two external stereo line level inputs brought directly into the module.

The studio has a level control and talkback switch. When the talkback switch is pressed (it is momentary action) the console operator’s microphone signal will interrupt the regular monitor signals being sent to the studio in question. The TALKBACK master level control sets the 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 out and regular studio monitor outputs, plus the console’s Tally 2 and Tally 3 control signals; the lower connector accepts the module’s two external source inputs. It also outputs additional pre-level control studio outputs.All audio connections are (+4dBu balanced) analog signals. A pinout drawing on page 5-5 shows all wiring connections at a glance.

SCD

I/O A

W# 026005A

I/O B

S E L E C T

STUDIO

E X

T 1

E X T 2

P G M

A U D

A U X

U T L

220 / March 2000

T B

page 5 – 2

STUDIO CONTROL MODULE

Internal Programming Options

There are three user-programmable jumpers (J2, J3, J4) on the SCD-220 that are located at the center of the module’s PCB.

External Talkback Mute/Dim

There is an independent talkback output from the SCD-220 module (see upper DB-25 connector page 5-5). By installing jumper J2, you can make this external talkback output MUTE whenever a studio is muted. You also have the option of making the output DIM (drop -20dB in level) instead of MUTE by installing jumper J3.

Jumper 2 mutes external TB whenever Studio is muted* Jumper 3 makes external TB DIM instead of MUTE

Studio Dim

Input modules controlling studio microphones can 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 muted, talkback cannot be heard. However, if a studio is programmed to DIM instead of MUTE, talkback audio could presumably make it from the studio monitor speakers to the open studio mic.

*factory default settings

Hook-Ups

As stated before, all user wiring to and from the SCD-220 module takes

place at two DB-25 multi-pin connectors mounted at the top of the module.

Upper DB-25 “A” Connector — Audio

Includes studio, studio pre-level, and (mono) talkback outputs. All audio

signals are analog, +4dBu balanced.

Pin 25 – TB Out SH Pin 24 – TB Out HI Pin 12 – TB Out LO

Pin 22 – Lt Studio Pre Out SH Pin 21 – Lt Studio Pre Out HI Pin 9 – Lt Studio Pre Out LO

Pin 8 – Rt Studio Pre Out SH Pin 7 – Rt Studio Pre Out HI Pin 20 – Rt Studio Pre Out LO

220 / March 2000

Typical DB-25

connector

page 5 – 3

STUDIO CONTROL MODULE

Pin 19 – Lt Studio Out SH Pin 18 – Lt Studio Out HI Pin 6 – Lt Studio Out LO

Pin 5 – Rt Studio Out SH Pin 4 – Rt Studio Out HI Pin 17 – Rt Studio Out LO

Upper DB-25 “A” Connector — Control

The console’s Tally 2 and Tally 3 control ports are on the SCD-220 upper DB-25 connector. These are simple relay closures that activate whenever programmed input modules are turned ON (see page 2-4). The ports can be used to control externally powered tally lights that 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 17 – Rt Ext 1 In LO

Pin 16 – Lt Ext 2 In SH Pin 15 – Lt Ext 2 In HI Pin 3 – Lt Ext 2 In LO

Pin 2 – Rt Ext 2 In SH Pin 1 – Rt Ext 2 In HI Pin 14 – Rt Ext 2 In LO

Maximum current through the tally relay closures is 2 amps @30VDC.

Typical DB-25

connector

220 / March 2000

page 5 – 4

STUDIO CONTROL MODULE

SCD-220 Outputs

DB Connector Pinouts

I/O PORTS

(Upper DB-25)

TALLY 2 RELAY N.O.

TALLY 3 RELAY COM

RT STU PRE OUT HI

RT STU PRE OUT SH

LT STU PRE OUT LO

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 N/C

N/C

RT STU OUT HI

RT STU OUT SH

LT STU OUT L

N/C N/C

TB OUT LO

AUDIO GROUND

10 11

8 9

22 23

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 1 IN SH N/C N/C

N/C N/C N/C

N/C

1 2 3 4 5 6

7 8

9 10 11 12

14 15

16 17

18 19 20 21

22 23 24 25

TALLY 2 RELAY COM TALLY 3 RELAY N.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

I/O PORTS

(Lower DB-25)

220 / March 2000

page 5 – 5

TB MONITOR

(IND-220)

MONITOR BUS

FROM CONSOLE

T B

L E V E L

MUTE/DIM

FET SW

TB OUT

EXT 1

EXT 2

PGM

AUD

AUX

UTL

FROM CONSOLE MONITOR BUSSES

FROM CONSOLE

S O U R C E

S E

L E C

F E

BUSSES

L O G

TB DIM

ST MUTE ST DIM

EXT1

EXT2

PGM AUD

AUX

UTL

INTRPT

F R O N T

P A N E L

I T C H E S

FET

J3 J2 J4

TALLY 2

FROM CONSOLE

TALLY 3

TALLY BUSSES

L E V E

RELAY

MUTE

FET

LOW VOLTAGE CONTACTS

PRE OUT

ST OUT

STUDIO

MONITOR

220/Sep 2000

SCD-220 Studio Monitor - Signal Flow Diagram

page 5 - 6

V I R T U A L D I P S W I T C H

Virtual Dip Switch

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

220 / March 2000

page 6 – 1

V I R T U A L D I P S W I T C H

Virtual Dip Switch

Virtual Dip Switch Application Program

The application “VDip” is included with the Auditronics 220 Digital Audio console. It is designed to run on any Windows 95/98 compatible PC. When the correct serial port of the external PC that contains the VDip program is connected to the console’s serial interface port, the program can be used to alter certain configuration details (mutes, tallies, etc.) in the 220 console. These details can be saved to a file and called up at a later date, thus making it easy to change console set-ups by running the VDip program and restoring a previously saved file.

Installation

To install VDip, first be sure that the PC you wish to use is Windows 95/98 compliant, has a CD ROM drive, has at least 50 Mb of hard disk storage available, and has an available serial port mapped to COM 1, COM 2, COM 3, or COM 4. Install the software on the PC by loading the VDip CD that came with the 220 console into the drive tray and then running the install wizard on the CD by double-clicking on “Setup. exe”. Note, if your CD 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 proper connections for the serial cable connecting the external PC with the 220 console serial interface port which is located on the lower DB-15 connector of the OMD module. Wire and test the cable. Note that there are certain jumper settings on the OMD module which must match the serial port on your external PC. The console is shipped with the 220 console serial interface set up for a normal RS-232 connection. If your external PC has an available RS-232 connection (which most do) you do not need to modify any of the settings on the OMD module. If you are planning on using an RS-485 connection to the 220 serial interface ( to allow multiple consoles and/or multiple controllers to be connected on a common bus), your PC must have an available RS-485 port ( most do not) and you must make changes to the settings on the OMD module to set up the proper format, addresses, and terminations for an RS-485 system. If

220 / March 2000

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V I R T U A L D I P S W I T C H

you are planning to use RS-485, consult the “Serial Interface” part of this manual (page 3-5) for the details on configuring for RS-485. If you are not certain which interface to use or have questions on these details, consult our Auditronics Technical Service engineers. Establishing serial communications between two different pieces of equipment can sometimes be frustrating; we can provide answers to your questions, and even pre-made cables to make the process easier.

Running the program

Be sure that the serial interface cable is plugged into the OMD lower 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 “Remote”. Start the program as you would any Windows program by doubleclicking on its shortcut, or choosing the program from the START/ PROGRAMS menu. Once the program opens, you should see a screen similar to figure 1. This is the start-up screen for the program, and is used

any time you wish to alter the connection status for the program. Select “Communications...” from the “Setup” menu with your mouse and then select the correct “COM” port to match your computer (figure 2). Also verify that the “Virtual Dip Switch Program ID” is set to “1”. This is the

220 / March 2000

Figure 1

page 6 – 3

V I R T U A L D I P S W I T C H

standard setting (for networked operations this DIP switch setting must be altered; consult Auditronics technical support). Leave the settings for Baud Rate and Handshaking as shown in figure 2. Once the correct

Figure 2

“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).

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V I R T U A L D I P S W I T C H

Figure 3

Using the program

Once you have established communications with the console, the various screens and menus can 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 deselected function shows a blank box.

220 / May 2001

220 / March 2000

page 6 – 5

V I R T U A L D I P S W I T C H

Figure 4

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220 / May 2001

Figure 5

page 6 – 6

V I R T U A L D I P S W I T C H

In a similar fashion, your mouse can be used to alter the console mutes and other settings by clicking on the function to enable it on source “A”, “B”, both, or neither. Once you have finished setting the configuration that you wish for an input channel, you send the information to the console by selecting “Write Current” under the “Slot” menu (figure 6).

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 module in the slot you have selected.

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page 6 – 7

V I R T U A L D I P S W I T C H

If you choose a slot number that has no module installed, the status screen will show “NO CARD” (figure 7). By selecting each slot and changing

Figure 7

settings, the entire 220 console can be configured to suit your application. Remember, you must select a channel to be modified before you can make changes, and you must “Write Current” after making 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 occurs after the analog pre-amp stages, therefore, clipping in those stages can not be corrected with this feature (use analog trim pots located on the input module).

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V I R T U A L D I P S W I T C H

Figure 8

In the lower right corner of the VDip screen (figure 8) there are eight mutually exclusive radio buttons for selecting the desired input attenuation. The attenuation choices are 0db to -14dB in 2 dB steps. Simply click on the appropriate radio button to select the attenuation value and then “WRITE” the selected change to the module. You can use the “Write Slot” toolbar icon or the “Slot” menu item to write the current attenuation setting along with any other module settings. The attenuation setting is immediately written to the corresponding channel.

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 point of +24dBu. Connecting the digital output from a CD player to a console input with gain on the fader can put the operator in a position of potentially clipping the CD playback. In this case, adding 12dB of attenuation will re-calibrate the input module so that digital clipping of CD source material will be impossible even if the operator pushes the fader all the way to the top.

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V I R T U A L D I P S W I T C 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

220 / May 2001

220 / March 2000

Figure 10

page 6 – 10

V I R T U A L D I P S W I T C H

of “buttons” designed to perform routine tasks like “Write Current” and “Read Current”. Moving your mouse pointer over a button and leaving it there for a moment will bring up a short “hint” message on screen that explains the button’s function. Also, under the “Console Configuration” and “Slot Configuration” 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 like “7am”, etc. (figure 11).

You can have a large number of files saved, limited only by your ability to give them suitable names.

Figure 11

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page 6 – 11

V I R T U A L D I P S W I T C H

Ending the program

Once the console text and settings are to your liking, and have been written to the console, and saved to a file if desired, the VDip program can be ended by selecting “Exit” from the “File” menu. The console settings will remain as you have set them until the next 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 will be ignored unless it is sent in the precise 220 serial protocol, but simply switching the console to “local” provides extra insurance.

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V I R T U A L D I P S W I T C H

Serial Interface Cable

(for use with Virtual Dipswitch)

DB Connector Pinouts

N / C N / C N / C

N / C

N / C N / C

GND

OMD

DB-15

(male)

N / C N / C

CABLE CONNECTOR

PC RS-232

DB-9

(female)

N / C

GND

N / C N / C N / C

N / C

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page 6 – 13

SUPERPHONE INPUT

Superphone Input

(SPD-220; optional)

Chapter Contents

Module Overview........................................................................ 7-2

Caller Set-Ups ........................................................................................................ 7-2

Automatic Features................................................................................................. 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

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page 7 – 1

SUPERPHONE INPUT

SPD

I/O A

W# 026013A

Superphone Input (SPD-220)

Module Overview

SPD-220 input modules are used for telephone call-ins. Each module can handle two callers. Caller signals enter the module from your station hybrid; each caller has its own fader.

Output switches assign callers to any combination of the console’s four stereo outputs: PGM (program), AUD (audition), AUX (auxiliary) and/ or UTL (utility).

Caller Set-Ups

Pre-air segment communication between the console operator (DJ) and callers is via TB/CUE buttons (2) which place the caller’s voice on the console’s cue speakers (or control room speakers/operator’s headphone if the CRD-220 module’s cue interrupt function has been so programmed). These cue signals can be internally programmed pre or post fader.

The caller hears the DJ in one of two ways:

1) The DJ can assign his microphone input module to an unused output bus—say UTL—and the DJ then selects the UTL input with the CALLER FEED switch. This sends a dedicated (digitally generated) version of the UTL bus signal to the SPD-220 module’s hybrid output, where it is ultimately heard by the caller through his telephone. This mix minus source select method can also be used to preplay a musical segment (or any 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.

Microphone input modules can be internally programmed to have their Utility bus feed tapped pre-fader, pre-ON/OFF, making this a logical set-up for the DJ’s mic input if you do a lot of call-in work, since the DJ’s voice will always be present on the console’s Utility output bus regardless of fader or ON/ OFF settings on his mic module (which must still be assigned to UTL, however).

2) The DJ’s voice signal can be inputted through a special EXT IN port at the SPD-220 module’s DB-25 connector. This second method eliminates the need to select a mix minus input source everytime you want to talk off-air to the caller. An easy source choice here would be DJ mic module’s INSERT OUT port.

I/O B

CALLER

P G M

A U

FEED

D A

U X

U T L

S S

I G N

TB / CUE

50 60

70 00

P G M

A U D

A U X

U T L

O N

F F

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SUPERPHONE INPUT

Automatic Features

Faders can be optionally equipped with end-of-travel CUE switches, which will allow you to talk off-air with a caller with a simple fader overpress. One of the faders can also have an optional EFS type switch to automatically turn the module on when it is run up.

The channel ON (red) and OFF (amber) switches are at the bottom of the module. These can be programmed (via internal PCB-mounted dipswitches) to activate control room and studio mutes, tallies, timer restart and automatic cue drop-out. The ON switch can also automatically trigger an external tape machine for recording purposes (see page 7-6).

Cue Dropout can also be programmed internally (page 7-5), making it unnecessary to de-activate caller setup buttons before going live; simply pressing the module’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 hybrid input signals (i.e., caller input) and the external input mentioned on page 7-2. The lower connector handles outputs, including the module1 and 2 feeds to your station hybrid (the phone signals going to your callers).

The module also has three addition output feeds on the lower DB25 connector. These are generally used for recording purposes:

Composite Out – This includes everything: DJ, callers, music beds,

etc. Generally used to to record phone segments in advance of

actual airplay. Composite Minus Callers – This includes everything but the callers. Callers Only – No talent, no DJs, no music; just caller voices.

SPD

I/O A

I/O B

W# 026013A

CALLER

P G M

A U D

FEED

A U

X U

A S S

I G N

TB / CUE

P G M

A U D

A U X

T L

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60 70

O N

O F F

page 7 – 3

SUPERPHONE INPUT

Internal Programming Options

Internal programming is accomplished via two 4-position printed circuit board (PCB) mounted dipswitches (SW2, SW3), and two PCB-mounted slide switches (SW1, SW4). This card also contains PCB-mounted trimpots which may be used to set the module’s various output feed levels.

For PCB programming, we will assume you are holding the removed module upright, component side towards you, with gold-plated card fingers to the left and the module faceplate to the right. This will enable you to read the control legends silkscreened next to each switch. Note when a dipswitch position is thrown to the right (towards the module’s faceplate) it is ON.

External In

In addition to feeding the DJ’s voice signal to the callers via the module’s mix minus source select switching, it may also be brought directly in through an EXT IN port on the module’s upper DB-25 connector. PCB-mounted slide switch SW1, mounted on the top of the card, activates this external port when thrown to the left (this is the factory default setting).

Cue Pre/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 which of the console’s two mute lines will be activated:

SW2 position 1 mutes the control room when the phone module is ON* SW2 position 2 mutes studio when the phone module is ON

Timer Restart

When the module is turned ON, the console’s digital timer can be programmed to automatically reset to zero and begin counting up.

SW2 position 4 activates timer restart when the phone module’s ON/ START switch is pressed*

Tallies

*factory default setting

Turning the module ON can activate a remote tally indicator. There are three tally control lines: on-air, tally 2 and tally 3. The first three positions of dipswitch SW3 (just below dipswitch SW2) program these functions:

SW3 position 1 activates the on-air tally control line SW3 position 2 activates tally 2 SW3 position 3 activates tally 3

*factory default setting

Remote tallies are hooked-up to the console at the Control Room module (CRD-220)

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SUPERPHONE INPUT

Cue Dropout

Dipswitch SW3 position 4, when activated, will cause CUE (i.e., caller set-up buttons 1 & 2) to turn off when the module’s ON/START switch is pressed. This is the factory default setting.

Gain Trimpots

There are eight PCB-mounted trimpots (to the left of DB-25 connectors). They are used as follows:

CR1 - sets Callers 2 In port input gain CR2 - sets Callers 1 In port input gain CR3 – sets the module’s output level to Hybrid 2 CR4 – sets the module’s output level to Hybrid 1 CR5 – sets the module’s “callers only” output level CR6 – sets the module’s “composite minus callers” (“talent”)

output level

CR7 – sets the module’s “composite” output level CR8 – sets the External In port input gain

Factory default settings for these trimpots is UNITY 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: the upper one handles audio input signals; the lower audio outputs and control signals. A pinout drawing on page 7-7 shows all wiring connections at a glance.

Audio Connections (upper DB-25 “A” Connector)

These include External In and station Hybrid 1 & 2 inputs. All are +4dBu balanced analog mono.

Pin 25 – Ext In SH Pin 24 – Ext In HI Pin 12 – Ext In LO

Pin 22 – Hybrid 1 In SH Pin 21 – Hybrid 1 In HI Pin 9 – Hybrid 1 In LO

Pin 8 – Hybrid 2 In SH Pin 7 – Hybrid 2 In HI Pin 20 – Hybrid 2 In LO

Pins 2,5,11,13,16 and 19 – Audio Ground

Typical DB-25

connector

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page 7 – 5

SUPERPHONE INPUT

Audio and Control Connections (lower DB-25 “B” Connector)

These include outputs to the station hybrid, module output composite feeds (for recording) and remote tape machine START/STOP ports.

Pin 25 – Composite Out SH Pin 24 – Composite Out HI Pin 12 – Composite Out LO

Pin 11 – Composite Minus Callers Out SH Pin 10 – Composite Minus Callers Out HI Pin 23 – Composite Minus Callers Out LO

Pin 22 – Callers Only Out SH Pin 21 – Callers Only Out HI Pin 9 – Callers Only Out LO

Pin 8 – To Hybrid 1 Out SH Pin 7 – To Hybrid 1 Out HI Pin 20 – To Hybrid 1 Out LO

Pin 19 – To Hybrid 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

The last six callouts are simply two parallel-connected sets of pins for the 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 place between start/stop common and STOP. These may be used to control a remote tape machine for recording phone segments. These are opto isolated outputs. The Start/ Stop Common connects to the opto emitters, while Stop and Start connect to the opto collectors. Observe correct polarity when using these outputs.

Typical DB-25

connector

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page 7 – 6

SUPERPHONE INPUT

SPD-220 Superphone

DB Connector Pinouts

AUDIO GROUND

I/O PORTS A

(Upper DB-25)

AUDIO GROUND

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

AUDIO GROUND

N/C

N/C N/C

N/C

HYBRID 2 IN HI

HYBRID 2 IN SH

HYBRID 1 IN LO

N/C

EXT 1 IN LO

1 2

4 5 6

7 8

9 10 11 12

14 15

16 17

18 19

21 22 23

24 25

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 CALLERS ONLY OUT SH

COMPOSITE MINUS CALLERS OUT LO COMPOSITE OUT HI COMPOSITE OUT SH

1 2 3 4 5 6

7 8 9

12 13

N/C

AUDIO GROUND N/C

N/C

AUDIO GROUND

HYBRID 2 IN LO

HYBRID 1 IN HI HYBRID 1 IN SH

22 23

N/C

EXT 1 IN HI

EXT 1 IN SH

I/O PORTS B

(Lower DB-25)

220 / March 2000

page 7 – 7

DIPSWITCHES

TO CPU

START STOP COMMON

MIX-MINUS CONTROL SIGNAL

LOGIC

FRONT PANEL SWITCHES

PGM AUD AUX UTL

LOGIC

CUE

PRE/POST

SLIDE

CR MUTE ST MUTE

ON OFFCALLER FEED

TB/CUE1TB/CUE

DATA

TRIM

TIMER RESTART ON AIR TALLY

TALLY 2 TALLY 3 CUE DROPOUT

DIGITAL AUDIO

DATA

TO CONSOLE CONTROL BUSSES

CUE ASSIGN FET SW

FROM

CALLERS

HYBRID 1 IN

HYBRID 2 IN

EXT IN

TEL

ANALOG TO

DIGITAL

CONVERTER

TRIM

FADER

TRIM

CUE

(ADC)

TRIM

FADER

EXT

SLIDE

COMPOSITE

OUT

MICS

TEL MONITOR

SUM OF

CALLERS

OUT

TB MONITOR

TB TO

CALLER

FET SW

TO HYBRID 1

220/Sep 2000

SPD-220 Superphone Module - Signal Flow Diagram

TO HYBRID 2

SUPERPHONE INPUT

page 7 - 8

LINE PRESELECTOR MODULE

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

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220 / Sep 2000

page 8 – 1

LINE PRESELECTOR MODULE

Line Preselector Module-

Analog

(LS-220; optional)

I/O A

W# 026009A

I/O B

Overview

This optional module electronically selects one of six stereo line sources and routes 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.

S O U R C

220 / March 2000

page 8 – 2

LINE PRESELECTOR MODULE

Hook-Ups

LS-220 Audio Inputs 5, 6 (Upper DB-25 “A” Connector)

Pin 25 – Line 5 Lt In SH Pin 24 – Line 5 Lt In HI Pin 12 – Line 5 Lt In LO

Pin 11 – Line 5 Rt In SH Pin 10 – Line 5 Rt In HI Pin 23 – Line 5 Rt In LO

Pin 22 – Line 6 Lt In SH Pin 21 – Line 6 Lt In HI Pin 9 – Line 6 Lt In LO

Pin 8 – Line 6 Rt In SH Pin 7 – Line 6 Rt In HI Pin 20 – Line 6 Rt In LO

LS-220 Audio Outputs

Pin 19 – Line Lt Out SH Pin 18 – Line Lt Out HI Pin 6 – Line Lt Out LO

Pin 5 – Line Rt Out SH Pin 4 – Line 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 Pin 6 – Line 3 Lt In LO

Pin 5 – Line 3 Rt In SH Pin 4 – Line 3 Rt In HI Pin 17 – Line 3 Rt In LO

Pin 16 – Line 4 Lt In SH Pin 15 – Line 4 Lt In HI Pin 3 – Line 4 Lt In LO

Pin 2 – Line 4 Rt In SH Pin 1 – Line 4 Rt In HI Pin 14 – Line 4 Rt In LO

Typical DB-25

connector

220 / March 2000

page 8 – 3

LINE PRESELECTOR MODULE

LS-220 Line Selector Module

DB Connector Pinouts

INPUT/OUTPUT

(Upper DB-25)

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 RT OUT HI

LINE RT OUT SH

LINE LT OUT LO

LINE 6 RT IN HI

LINE 6 RT IN SH

LINE 6 LT IN LO

LINE 5 RT IN HI

LINE 5 RT IN SH

LINE 5 LT IN LO

N/C

N/C N/C N/C

N/C

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 LINE 2 RT IN LO LINE 2 LT IN HI LINE 2 LT IN SH

LINE 1 RT IN LO LINE 1 LT IN HI LINE 1 LT IN SH

N/C N/C N/C LINE RT OUT LO

LINE LT OUT HI LINE LT OUT SH LINE 6 RT IN LO

LINE 6 LT IN HI LINE 6 LT IN SH LINE 5 RT IN LO

LINE 5 LT IN HI LINE 5 LT IN SH

INPUT PORTS (Lower DB-25)

220 / March 2000

page 8 – 4

LINE 1

LINE 2

LINE 3

H L

FRONT PANEL

SWITCHES

H L

S O U R C E

2 3 4 5 6

LINE 4

LINE 5

LINE 6

H L

S E

SOURCE

SELECT

LOGIC

H L

OUT

H L

220/Sep 2000

PRESELECTOR

LS-220

LS-220 Line Preselector - Signal Flow Diagram

page 8 - 5

TAPE REMOTE MODULE

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

220 / March 2000

page 9 – 1

TAPE REMOTE MODULE

Tape Remote Module

(TR-220; optional)

Module Overview

This optional module is available in two versions. The START/STOP version offers three sets of START and STOP buttons to provide start-stop control of three remote reel-to-reel machines. The full function version provides RTZ, << (for REW), >> (for FF), STOP, REC, and PLAY buttons for a single machine. LED indicators in each switch function as tallyback indicators and are powered by the source machine. There are no internal connections between the tape remote panel and the console’s power rails.

I/O

W# 026011A

I/O

W# 026010A

S T A R T

S T O P

R E

M O

T E

S T A R T

T O P

S T A R T

S T O P

R E

M O

T E

R T Z

F F

R E

S T

R E C

P L A Y

220 / March 2000

page 9 – 2

TAPE REMOTE MODULE

I/O

SW1

SW2

SW3

SW4

SW5

SW6

W# 026011A

R E

M O

T E

TR-220/SS Tape Remote Module

I/O CONTROL

T A R

T O P

T A R

T O P

T A R

T O P

PORTS

(DB-25)

DB Connector Pinouts

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.

N/C

1 2

7 8 9

12 13

14 15

16 17

18 19

20 21

22 23 24 25

SW1 (START) LEDSW1 (START)COMMON

SW2 (STOP) LEDSW2 (STOP) COMMON

SW3 (START)LEDSW3 (START) COMMON

SW4 (STOP) LEDSW4 (STOP) COMMON SW5 (START) LEDSW5 (START) COMMON SW6 (STOP) LEDSW6 (STOP) COMMON

220 / March 2000

page 9 – 3

I/O

W# 026010A

TAPE REMOTE MODULE

TR-220/FF Tape Remote Module

DB Connector Pinouts

SW1

SW2

SW3

SW4

SW5

SW6

SW1 (RTZ) LED+

SW1 (RTZ) N.O.

SW2 (FF) LED+

SW2 (FF) N.O

I/O CONTROL

PORTS

(DB-25)

SW3 (REW) LED

SW3 (REW) N.O.

SW4 (STOP) LED+

SW4 (STOP) N.O.

R T Z

F F

R E

M O

T E

R E

S T O P

R E C

P L A Y

SW5 (REC) LED+

SW5 (REC) N.O.

SW6 (PLAY) LED+

SW6 (PLAY) N.O.

N/C

1 2

7 8

9 10 11 12

14 15

16 17

18 19

20 21

22 23 24 25

SW1 (RTZ) LEDSW1 (RTZ)COMMON

SW2 (FF) LEDSW2 (FF) COMMON

SW3 (REW)LEDSW3 (REW) COMMON

SW4 (STOP) LEDSW4 (STOP) COMMON SW5 (REC) LEDSW5 (REC) COMMON SW6 (PLAY) LED-

SW6 (PLAY) COMMON

220 / March 2000

page 9 – 4

METERBRIDGE

Meterbridge

Chapter Contents

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 / March 2000

220 / Jun 2002

page 10 – 1

METERBRIDGE

Meterbridge

Overview

The console’s meterbridge houses two pairs of left-right LED meters (Program and Switched; see “Output Module” Chapter 3), the digital timer, the console clock, and cue speaker (controlled by the CRD-22O Control Room Module; see page 4-2). Each LED meter column displays VU average bar, PEAK dot, OVER, and LOW signal.

The meterbridge assembly hinges open for easy access to DB connectors and setting the clock. Simply swing the bridge up and back until it rests in a fully opened position.

LLLLEEEEFFFFTTTTOOOOVVVVEEEERR

----33

----66

----99

----111122

----111155

S C

----111188

----222200

L E

----222244

----222288

I G

----333322

I T

----333366

A L

----444400

----444444

----444488

----555522

LLLLEEEEFFFFTTTTLLLLOOOOWW

RRRRIIIIGGGGHHHHTT

++++222200

----33

++++111177

----66

++++111144

----99

++++111111

----111122

++++88

----111155

++++55

S C

----111188

++++22

----222200

----44

----222244

----88

----222288

A L

Model 220 Digital Audio Conso

----111122

----333322

----111166

----333366

----222200

----444400

----222244

----444444

----222288

----444488

----333322

----555522

RRRRIIIIGGGGHHHHTT

LLLLEEEEFFFFTT

----33

----66

----99

----111122

----111155

S C

----111188

----222200

L E

----222244

----222288

----333322

----333366

A L

----444400

----444444

----444488

----555522

LLLLEEEEFFFFTT

RRRRIIIIGGGGHHHHTT

OOOOVVVVEEEERR

++++222200

----33

++++111177

----66

++++111144

----99

++++111111

----111122

++++88

----111155

++++55

----111188

++++22

----222200

----44

----222244

----88

----222288

----111122

----333322

----111166

----333366

----222200

----444400

----222244

----444444

----222288

----444488

----333322

----555522

RRRRIIIIGGGGHHHHTT

LLLLOOOOWW

Replacement Parts

Clock/timer and LED meter cards and replacement cue speaker are

available. See Appendix for specific ordering information.

CLOCK

RESETS / S HOLDAUTO

TIMER

220 / March 2000

page 10 – 2

M E T E R B R I D G E

Digital Timer

The console timer control buttons are located below the timer display.

The timer is provided with an AUTO-RESTART function so programmed input modules can automatically reset the timer display to zero and start a new count, allowing the announcer to easily track his own pace.

The START/STOP button halts the timer, holds the last count, and then restarts and accumulates the count when depressed again compiling tapes of desired duration.

RESET has a dual-mode capability:

- if you depress it while the timer is counting, the display will instantly

reset to zero and start a fresh count;

- if the timer is already stopped, depressing this button will reset the

timer to zero, where it will hold until start is pressed.

HOLD button allows you to hold the display for a longer viewing duration, while still allowing the counter to continue in the background. Releasing the button will then display the current count.

—

perfect for

Console Clock

The Wheatstone digital clock 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 meterbridge.

Controls

The clock is controlled by a trimmer and two switches; the trimmer and switches are mounted on the main clock PCB assembly.

The trimmer alters the frequency of the quartz-controlled oscillator, which in turn causes the clock to run slightly slower or faster. In order to keep accurate time, the oscillator must run at 4.096 MHz. The oscillator is set to this frequency at the factory. However, due to the nature of quartz/ crystal-controlled oscillators, there may be a slight change in the frequency of the oscillator during the first few months of operation due to the aging effect of quartz crystals. A minor readjustment of the trimmer will compensate for this effect.

A divided by 4 (1.024 MHz) buffered output of the oscillator is available at

pin #7 of IC #U1 to assist in adjusting the oscillator.

220 / Feb 2002

220 / March 2000

page 10 – 3

M E T E R B R I D G E

Setting the Time

The setting controls consists of two switches: MODE and SET. To set the clock, open the meterbridge and stand beside the console:

1) The control switches (mounted inside the meterbridge bottom) are labelled "M" and "S". "M" (Mode) is used to scroll from seconds to minutes to hours; "S" is used to Set the time. The procedure is to set the clock slightly ahead of the current time, hold the second count at "00" until the current time catches up, and then release the count.

2) Press the MODE button until the hour digits blink. Depress the SET button until the desired hour is displayed.

3) Press the MODE button until the minute digits blink. Depress the SET button until the desired minute count is displayed.

4) Press the MODE button until the second digits blink. Depress and hold the SET button; the seconds display will hold at "00". When the current time catches up to the display, 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 crystal to keep it from losing count (it will do this for 3 to 4 weeks).

Operational Modes

The standard factory default clock configuration is crystal-controlled, 12 hour mode, stand-alone operation. However, the clock will operate either from the internal crystal controlled time base or from an ESE master (TC-76, TC-89, TC-90, autodetect) signal. Because crystal time bases are subject to drift over time, Wheatstone recommends operating the clock in the ESE slave mode for those applications where the exact time is critical.

It can also be programmed to count in either 12 hour or 24 hour modes. Connect an ESE master at connector CT3 (Pin 1 - Signal, Pin 2 - Shield). Switch #4 on SW3 sets 12/24 hour mode (Off - 12 hour, On

- 24 hour).

220 / March 2000

220 / Feb 2002

page 10 – 4

12345678

GND

VCC

R26 10K

R36 10K

R29 10K

R30 10K

R32 10K

R33 10K

GND

C21

0.01uF

GND

C26

0.01uF

GND

C22

0.01uF

GND

INA

INB

INC

IND

__ EN

DS90C031

C23

0.01uF

74AC14

GND

OUTA

_____ OUTA

OUTB

_____ OUTB

OUTC

_____ OUTC

OUTD

_____ OUTD

C24

0.01uF

GND

R27 150

R35 150

R28 150

R31 150

R25 150

R34 150

C25

0.01uF

ESE_IN

GND

68pF C1

GND

3V_BCKUP

GND

VCC

GND

74AC14

TO CLD-220 PCBTO CLD-220 PCB

10.0K

GND

49.9K

R24 100K

DB-9

CONN

CT2

IN~

N/C

7 3 8 4 9 5

OUT OUT~ N/C N/C N/C

RS-485 I/O PORT

RS-485

CT3

ESE INPUT

SHIELD

GND

XDRESET: XDTIMERRESTART: HOLD:

GND

R19 150

D D

VCC

START_STOP: +Dreturn:

D1 SS14

MODE

GND

R14 150

VCC

SET

VCC

__ PR

___

CLR

74LS74

INSTALL FOR 24 HOURS OPERATION

GND

VCC

10.0K

GND

10.0K

R12

C11

1.00K

1uF

RA0

VDD

RA1

OSC2/CLKOUT RA2 RA3 RA4/T0CKI

___

RA5/SS

RB0/INT

RC0/T1OSO/T1CKI

RC1/T1OSI/CCP2

RB1 RB2 RB3 RB4 RB5 RB6 RB7

10.0K

PIC16LC66

GND

R9 1.00K

R17 51 R16 51

RST CLK/TMR TEST MODE 24 HR CLOCK DIM DISPLAY SLAVE CLOCK SLAVE TIMER MSTR CLK/TMR

Q _

74LS74

CLR

___

GND

Timer Reset: Resets to zero, does not affect S/S status If AUTO LO same as XDRESET Same as pressing Timer HOLD Same as pressing S/S Leave Open

FROM CONSOLE

GND

C5 22uF

GND

OSC1/CLKIN

______ MCLR/VPP

RC2/CCP1

RC3/SCK/SCL

RC4/SDI/SDA

RC5/SDO RC6/TX/CK RC7/RX/DT

GND

0.1uF

10.0K R10

GND

C10 22uF

+Dreturn

D6 4148

C9 22uF

GND

74AC14

4.096MHz

33pF

GND GND

D24148

D3 4148

D44148

GND

51 R11

C3 50pF

VCC

TP1

C4 10pF

R23 619

R21 100

AGND1

AGND2

AGND3

AGND4

220/Apr 2002

D5 4148

GND

R22 619

INSTALL ONE

VCC

1N4002W D7

C12

2.2F

VCC

GND

C15

0.1uF

GND

VCC

0.1uF

VCC

GND

0.1uF

CONTRACT NO.

APPROVALS DATE

DRAWN

SA 4-8-02

CHECKED ISSUED

W# 700575

CLK-220

600 Industrial Drive

SA SA

SCALE SHEET

New Bern, NC 28562

29S0034

REVDWG. NO.FSCM NO.SIZE

1 OF 1CLK-220E PCB

+DIGin +REGin

For external supply, disconnect +DIGin from Pins 7 and 9 and replace with +6V to +9V external supply

POLYSW

1.0A C18

0.1uF

C13

C17

330uF

1uF

C14 330uF

D10 1N4002

D9 1N4002W

OUTVIN

GND

LM2940

C16 22uF

VCC

10.0K

VCC

C20

C19

0.1uF

1uF

123

GND

MBR130

BACK-UP BATTERY 3V 560mAH

R18

NOT INSTALLED

GND GND

87654321

CLK-220 Clock/Timer Schematic Sheet 1 of 1

Page 38

12345678

C L O C K

D D

T I M E R

220/Sep 2000

CONTRACT NO.

APPROVALS DATE

DRAWN CHECKED ISSUED

W# 700575

CLD-220

9-26-00JBB

SA SA

SCALE SHEET

600 Industrial Drive

New Bern, NC 28562

CLD-220B PCB 1 OF 1

29S0024

REVDWG. NO.FSCM NO.SIZE

87654321

CLD-220 Clock/Timer Display Schematic Sheet 1 of 1

Page 37

SCHEMATIC DRAWINGS

I/O Schematic Drawings