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TECHNICALMANUALMarch 2010

A I R 3

RADIOCONSOLE

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R-16 / Dec 1997

AIR 3 Radio Console Technical Manual - 1st EditionAIR 3 Radio Console Technical Manual - 1st EditionAIR 3 Radio Console Technical Manual - 1st EditionAIR 3 Radio Console Technical Manual - 1st EditionAIR 3 Radio Console Technical Manual - 1st Edition

2010 AudioartsEngineering*

AUDIOARTS ENGINEERING

600 Industrial Drive

New Bern, North Carolina 28562

252-638-7000

*a division of Wheatstone Corporation

AIR 3 / March 2010

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AAAAATTENTIONTTENTIONTTENTIONTTENTIONTTENTION

RRRRREADEADEADEADEAD MMMMMEEEEE!!!!!AIR 3 / May 2010

Attention!

FFFFFederal Communications Commission (FCC) Complianceederal Communications Commission (FCC) Complianceederal Communications Commission (FCC) Complianceederal Communications Commission (FCC) Complianceederal Communications Commission (FCC) Compliance

Notice:Notice:Notice:Notice:Notice:

Radio FRadio FRadio FRadio FRadio Frequency Noticerequency Noticerequency Noticerequency Noticerequency Notice

NOTE:NOTE:NOTE:NOTE:NOTE: This equipment has been tested and found to comply with thelimits for a Class A digital device, pursuant to Part 15 of the FCC rules. Theselimits are designed to provide reasonable protection against harmful

interference when the equipment is operated in a commercial environment.This equipment generates, uses, and can radiate radio frequency energyand, if not installed and used in accordance with the instruction manual,may cause harmful interference to radio communications. Operation of thisequipment in a residential area is likely to cause harmful interference inwhich case the user will be required to correct the interference at his ownexpense.

!

This is a Class A product. In a domestic environment, thisThis is a Class A product. In a domestic environment, thisThis is a Class A product. In a domestic environment, thisThis is a Class A product. In a domestic environment, thisThis is a Class A product. In a domestic environment, thisproduct may cause radio interference, in which case, theproduct may cause radio interference, in which case, theproduct may cause radio interference, in which case, theproduct may cause radio interference, in which case, theproduct may cause radio interference, in which case, theuser may be required to take appropriate measures.user may be required to take appropriate measures.user may be required to take appropriate measures.user may be required to take appropriate measures.user may be required to take appropriate measures.

This equipment must be installed and wired properly in order to assurecompliance with FCC regulations.

Caution!Caution!Caution!Caution!Caution! Any modifications not expressly approved in writing byAny modifications not expressly approved in writing byAny modifications not expressly approved in writing byAny modifications not expressly approved in writing byAny modifications not expressly approved in writing byAudioarts could void the user's authority to operate this equipment.Audioarts could void the user's authority to operate this equipment.Audioarts could void the user's authority to operate this equipment.Audioarts could void the user's authority to operate this equipment.Audioarts could void the user's authority to operate this equipment.

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AAAAATTENTIONTTENTIONTTENTIONTTENTIONTTENTION

RRRRREADEADEADEADEAD MMMMMEEEEE!!!!!AIR 3 / Apr 2010

Attention!

IMPORTIMPORTIMPORTIMPORTIMPORTANT SAFETY INSTRUCTIONSANT SAFETY INSTRUCTIONSANT SAFETY INSTRUCTIONSANT SAFETY INSTRUCTIONSANT SAFETY INSTRUCTIONS

THIS PRODUCT IS INTENDED FOR INDOOR USE ONLTHIS PRODUCT IS INTENDED FOR INDOOR USE ONLTHIS PRODUCT IS INTENDED FOR INDOOR USE ONLTHIS PRODUCT IS INTENDED FOR INDOOR USE ONLTHIS PRODUCT IS INTENDED FOR INDOOR USE ONLYYYYY

When using an electrical appliance, basic safety precautions should always be followed.

DANGERDANGERDANGERDANGERDANGER- To reduce risk of electric shock read all instructions before using this power supply.A power supply should never be left unattended when plugged in.

Always unplug this power supply from the main socket immediately after using.

WARNINGWARNINGWARNINGWARNINGWARNING- To reduce risk of burns, fire, electric shock or injury to persons or animals:

1. Use this power supply only for its intended use as described below.

2. Do not use outdoors.

3. Do not allow to be used as a toy. Pay close attention when this power supply is used by, ornear to, children.

4. Use only attachments recommended by the manufacturer.

5. Never operate this power supply if it has a damaged cord or plug, if it has been dropped or

damaged or if it has fallen into water. In such cases return the power supply to an authorizeddealer or service centre for examination or repair.

6. Never drop or insert an object into any openings.

7. Do not operate where aerosol (spray) products are being used or where oxygen is beingadministered.

8. This power supply should be used near to a convenient and easily accessible mains socket.

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page Contents 1AIR 3 / Mar 2010

C O N T E N T S

AIR 3 Technical Manual

Table of ContentsChapter 1 Installation and Power

Unpacking and Installing the Console ........................................1-2

Power Supply ................................................................................1-3

Energizing ......................................................................................1-3

Audio and Control Wiring .............................................................1-3

Unbalanced Connections (analog audio) ................................................................. 1-3

Hook-Ups .......................................................................................1-4

Audio Connections.................................................................................................... 1-4

Analog Stereo Inputs ........................................................................................... 1-4 MIC 1 and Mic 2 Inputs........................................................................................ 1-4

MIC 1 and Mic 2 Outputs ..................................................................................... 1-4

Caller Connection ................................................................................................ 1-5

PGM Outputs ....................................................................................................... 1-5

External Inputs ..................................................................................................... 1-5

Monitor Outputs ................................................................................................... 1-5

USB Output .......................................................................................................... 1-5

Cue Output and Control Connections - DB-25 ......................................................... 1-6

DB-25 Connections ............................................................................................. 1-6

CUE Output ......................................................................................................... 1-6

Remote Start ........................................................................................................ 1-7

MIC 2 Talkback to Cue/CR .................................................................................. 1-7

On Air Tally .......................................................................................................... 1-7

AIR 3 Console Rear Drawing........................................................1-8

Audio Connection Pinout Drawings ............................................1-9

Cue Out and Control Connection Drawing ............................... 1-11

Chapter 2 - Console Features

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

Inputs .............................................................................................2-3

Analog Mono Mic Level Inputs ................................................................................. 2-3

Analog Stereo Line Level Inputs .............................................................................. 2-3

Outputs ..........................................................................................2-3

USB Port ........................................................................................2-4

Using the USB Port... ............................................................................................... 2-4

... With a MAC ........................................................................................................... 2-4

... With a Windows PC ........................................................................................... 2-4

Other Computers ...................................................................................................... 2-5

General Considerations ............................................................................................ 2-5

Mute and Tally ...............................................................................2-5

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C O N T E N T S

Console Programming Options ...................................................2-6

PGM/CUE Dipswitch ................................................................................................. 2-6

Cue Interrupt ........................................................................................................ 2-6

Split Cue, Control Room ...................................................................................... 2-6

Split Cue, Headphone ......................................................................................... 2-6 Studio Dim ........................................................................................................... 2-6

Program Mono ..................................................................................................... 2-7

USB Source Dipswitches (internal) .......................................................................... 2-7

CR MUTE/AIR TALLY Dipswitches .......................................................................... 2-7

CR Mutes ............................................................................................................. 2-7

On Air Tally .......................................................................................................... 2-8

Console Layout Drawing ..............................................................2-9

Chapter 3 - Controls and Functions

Input Panel (IP-AIR3) .....................................................................3-2

Source Select ...................................................................................................... 3-3

Program Assign ................................................................................................... 3-3

Cue Button ........................................................................................................... 3-3

Fader.................................................................................................................... 3-3

ON Button ............................................................................................................ 3-3

Master Panel (MST-AIR3) ..............................................................3-4

Caller Input ............................................................................................................... 3-5

Program Assign ................................................................................................... 3-5

Cue Button ........................................................................................................... 3-5

TB Button ............................................................................................................. 3-5

Fader.................................................................................................................... 3-5

ON Button ............................................................................................................ 3-5

Caller Set-Ups ..................................................................................................... 3-6

Control Room Monitor ............................................................................................... 3-7

Program Select .................................................................................................... 3-7

EXT Switch .......................................................................................................... 3-8

Control Room Level Control ................................................................................ 3-8

Cue Level Control ................................................................................................ 3-8

Headphone Level Control .................................................................................... 3-8

Studio Monitor ........................................................................................................... 3-9

Program Select .................................................................................................... 3-9

EXT Switch .......................................................................................................... 3-9

Studio Level Control ............................................................................................ 3-9

TB (Talkback) Button ........................................................................................... 3-9

Meters (VU-AIR3) .................................................................................................... 3-10

VU Meter Pairs ................................................................................................... 3-10

Meters Select Button .......................................................................................... 3-10

On Air LED ............................................................................................................... 3-10

Chapter 4 - Schematic and Load Sheet Drawings

Console Flow Diagram .................................................................4-2

IP-AIR3 6 Inputs Panel

Schematic ................................................................................................................. 4-3

Load Sheet................................................................................................................ 4-9

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C O N T E N T S

MST-AIR3 Master Panel

Schematic ............................................................................................................. 4-10

Load Sheet............................................................................................................ 4-15

MTR-AIR3 Meters Card

Schematic ............................................................................................................. 4-16

Load Sheet............................................................................................................ 4-19

CONA3-3 Three Connector Blocks Card

Schematic ............................................................................................................. 4-20

Load Sheet............................................................................................................ 4-22

CONA3-4 Four Connector Blocks Card

Schematic ............................................................................................................. 4-23

Load Sheet............................................................................................................ 4-28

Appendices

Appendix 1

AIR 3 Console Performance Specifications ............................A-3

Appendix 2

Replacement Parts List .............................................................A-5

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

page 1 1AIR 3 / Mar 2010

Installation and Power

Chapter Contents

Unpacking and Installing the Console ..................................... 1-2

Power Supply ............................................................................. 1-3

Energizing ................................................................................... 1-3

Audio and Control Wiring.......................................................... 1-3

Unbalanced Connections (analog audio) ........................................................... 1-3

Hook-Ups .................................................................................... 1-4

Audio Connections.............................................................................................. 1-4

Analog Stereo Inputs ..................................................................................... 1-4

MIC 1 and Mic 2 Inputs.................................................................................. 1-4

MIC 1 and Mic 2 Outputs ............................................................................... 1-4

Caller Connection .......................................................................................... 1-5

PGM Outputs ................................................................................................. 1-5

External Inputs ............................................................................................... 1-5

Monitor Outputs ............................................................................................. 1-5 USB Output.................................................................................................... 1-5

Cue Output and Control Connections - DB-25 ................................................... 1-6

DB-25 Connections ....................................................................................... 1-6

CUE Output ................................................................................................... 1-6

Remote Start .................................................................................................. 1-7

MIC 2 Talkback to Cue/CR............................................................................ 1-7

On Air Tally .................................................................................................... 1-7

AIR 3 Console Rear Drawing..................................................... 1-8

Audio Connection Pinout Drawings ......................................... 1-9

Cue Out and Control Connection Drawing ............................ 1-11

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Installation and Power

Unpacking and Installing the Console

The AIR 3 console with its power supply, connecting cable, andtechnical manual is shipped in one packing box. The console can beunpacked by one person by grasping the console at both sides, and lifting

it upward out of the box. Remove packing materials and store them in thebox for future use. Carefully place the console on your countertop (theAIR 3 audio console is designed for countertop placement). Avoidproximity to any electromagnetic fields, such as large power transform-ers, motors, and fluorescent lighting fixtures.

NOTE: This consolecontains static-sensi-tive devices. Normal

precautions againststatic discharge shouldbe observed.

15.4"

28.4"

15.4"

4.3"

1.6"

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Power Supply

The AIR 3 console is powered by a factorysupplied power adapter with 100-240V/50-60Hzinput, 50W maximum output power, and a 4 footlong output cable.

DC Power Output Pinout

The power supply adapter is supplied with a 3-wire grounded AC cord that

should be plugged into a clean AC power source, that is, an AC source that feedsonly the control room audio gear. This source should be a separate feed from thosepowering lighting, air-conditioning, or any other non-audio machinery.

Energizing

Assuming the AIR 3 console mainframe is properly placed, and its power supplycorrectly connected to the console, you may now energize the power supply adapterby plugging it into the AC mains. The consoles individual module switches willassume factory default settings.

Note: To de-energize the console, unplug the power supply adapters AC cordfrom the AC mains.Never de-energize the console by disconnecting the cable thatconnects the console and power supply adapter together.

Once you have verified proper power-up, unplug the power supply adapter to de-Once you have verified proper power-up, unplug the power supply adapter to de-Once you have verified proper power-up, unplug the power supply adapter to de-Once you have verified proper power-up, unplug the power supply adapter to de-Once you have verified proper power-up, unplug the power supply adapter to de-

energize the console. You may now proceed to wire up audio and control connections.energize the console. You may now proceed to wire up audio and control connections.energize the console. You may now proceed to wire up audio and control connections.energize the console. You may now proceed to wire up audio and control connections.energize the console. You may now proceed to wire up audio and control connections.

Audio and Control Wiring

All audio I/O connections to the AIR 3 console are made via RJ-45 connectorsand 6-pin plug terminals located on the rear panel of the console. For controlconnections there is also a multipin DB-25 connector. See the consoles reardrawing on page 1-8.

Unbalanced Connections (analog audio)

ANALOG INPUTS Wire to the console with typical shielded two conductorcable (like Belden 9451), just as if you were connecting a balanced source. At theunbalanced source machines output, connect the black wire (LO) to the shield.

ANALOG OUTPUTS AIR 3 consoles use a balanced output circuit whichbehaves exactly like the secondary of a high-quality transformer, with no centertapthis output is both balanced and floating. Either the HI or LO side of the outputshould be strapped to ground, with the output taken from the other side. (Normallyyoud strap LO to ground, and take HIGH to feed your unbalanced equipment.)

The power feed recmended in the texoften installed and

ferred to in studiosan isolated AC grououtlet. It is usuallyange in color.

PIN # OUTPUT

1 COM

2 COM

3 +5VDC

4 -15V

5 +15V

35 2 4

1

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Hook-Ups

The rear of the console has multiple RJ-45 connectors to plug in 24 stereo line inputs,the external input, caller connections to and from hybrid, as well as providing studio,control room, microphone, PGM, and USB analog output connections. There is also a6-pin plug terminal (CT7, on the CONA3-4 PCB) provided for microphone inputs.

A DB-25 is provided for control connections and for the Cue output.

There is also a USB port with type B connector available for interfacing with acomputer (see page 2-4 for details).

Pinouts drawings on pages 1-9 through 1-11 show all wiring connection at glance.

Audio Connections

Analog Stereo Inputs - RJ-45 (1 through 12)

The signals are analog stereo; level is +4dBu balanced.

A RJ-45 Pin 1 HIA RJ-45 Pin 2 LOA RJ-45 Pin 3 HIA RJ-45 Pin 6 LO

B RJ-45 Pin 1 HI

B RJ-45 Pin 2 LOB RJ-45 Pin 3 HIB RJ-45 Pin 6 LO

MIC 1 and MIC 2 Inputs - 6-pin Plug Terminal

All signals are analog mono. The mic input level is normally -50dBu balanced.

Pin 1 MIC 1 In SHPin 2 MIC 1 In LOPin 3 MIC 1 In HI

Pin 4 MIC 2 In SHPin 5 MIC 2 In LOPin 6 MIC 2 In HI

MIC 1 and MIC 2 Outputs - RJ-45

All signals are analog mono, unbalanced.

MIC 1 OUT RJ-45 Pin 1 HIMIC 1 OUT RJ-45 Pin 2 SHMIC 1 OUT RJ-45 Pin 3 HIMIC 1 OUT RJ-45 Pin 6 SH

MIC 2 OUT RJ-45 Pin 1 HIMIC 2 OUT RJ-45 Pin 2 SHMIC 2 OUT RJ-45 Pin 3 HIMIC 2 OUT RJ-45 Pin 6 SH

INPUT A LT

INPUT A RT

INPUT B LT

INPUT B RT

These connections are to the inputs oftwo internal mic preamplifiers. The out-puts of the mic preamplifiers must beconnected to the desired line inputsbefore you will be able to hear themicrophones. See page 2-3 for details.

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I N S T A L L A T I O N A N D P O W E R

AIR 3 / Dec 2011

Caller Connections - RJ-45

The signals are analog mono; level is +4dBu balanced.

CALLER IN RJ-45 Pin 1 HICALLER IN RJ-45 Pin 2 LO

CALLER OUT RJ-45 Pin 1 HICALLER OUT RJ-45 Pin 2 LO

PGM Outputs - RJ-45

The signals are analog stereo; level is +4dBu balanced.PGM 1 OUT RJ-45 Pin 1 HIPGM 1 OUT RJ-45 Pin 2 LOPGM 1 OUT RJ-45 Pin 3 HIPGM 1 OUT RJ-45 Pin 6 LO

PGM 2 OUT RJ-45 Pin 1 HIPGM 2 OUT RJ-45 Pin 2 LOPGM 2 OUT RJ-45 Pin 3 HIPGM 2 OUT RJ-45 Pin 6 LO

External Inputs - RJ-45

The signals are analog stereo; level is +4dBu balanced.

EXT IN RJ-45 Pin 1 HIEXT IN RJ-45 Pin 2 LOEXT IN RJ-45 Pin 3 HIEXT IN RJ-45 Pin 6 LO

Monitor Outputs - RJ-45

The signals are analog stereo; unbalanced.

CR OUT RJ-45 Pin 1 HICR OUT RJ-45 Pin 2 SHCR OUT RJ-45 Pin 3 HICR OUT RJ-45 Pin 6 SH

STU OUT RJ-45 Pin 1 HI

STU OUT RJ-45 Pin 2 SHSTU OUT RJ-45 Pin 3 HISTU OUT RJ-45 Pin 6 SH

USB Output - RJ-45

The signals are analog stereo; unbalanced.

USB ANALOG OUT RJ-45 Pin 1 HIUSB ANALOG OUT RJ-45 Pin 2 LOUSB ANALOG OUT RJ-45 Pin 3 HIUSB ANALOG OUT RJ-45 Pin 6 LO

PGM 1 LT OUT

PGM 1 RT OUT

PGM 2 LT OUT

PGM 2 RT OUT

EXT LT IN

EXT RT IN

CR LT OUT

CR RT OUT

STU LT OUT

STU RT OUT

USB LT OUT

USB RT OUT

AIR 3 / June 2012

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Cue Output and Control Connections - DB-25

All control ports (except On Air Tally and Mic 2 TB to Cue/CR) use opto-isolators.Functions include Mic 2 TB to Cue/CR, On Air Tally, and Start for remote sourcemachines. Several pins can be used for the common side connections to remote starts,as indicated on the pinout below.

DB-25 ConnectionsPin 1 Start Channel 1Pin 2 Start Channel 2Pin 3 Start Channel 3Pin 4 Start Channel 4Pin 5 Start Channel 5Pin 6 Start Channel 6Pin 7 Cue OutPin 8 Cue Out Audio CommonPin 9 On Air Tally N.O.Pin 10 On Air Tally CommonPin 11 Mic 2 TB to Cue/CR

Pin 12 Mic 2 TB to Cue/CR CommonPin 13 Start CommonPin 14 Start CommonPin 15 Start CommonPin 16 Start CommonPin 17 Start CommonPin 18 Start CommonPin 19 Start Channel 7Pin 20 Start Channel 8Pin 21 Start Channel 9Pin 22 Start Channel 10Pin 23 Start Channel 11Pin 24 Start Channel 12

Pin 25 Start Phone Channel

Cue Output

The Cue output signal (for feeding an external cue amplifier) is mono unbalanced.

Typical DB-25connector

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To START Remote Source Machines Using Channel START Switches

EXTERNAL START Hook up the remote machines start control pins to theDB-25 connector control pins; for example, for channel 1 wire to Start Channel 1, Pin 1,

and Start Common, either one of the Pins 13 - 18.

MIC 2 Talkback to Cue/Control Room

The talkback to cue logic input is used to connect an external user-supplied button thatenables the person activating it to talk to the operator in the control room, via theconsoles cue speaker. Provide a closure between Mic 2 TB to Cue/CR, Pin 11 and Mic 2TB to Cue/CR Common, Pin 12. This will cause the channels pre fader signal to be sentto the consoles Cue bus, where it may be heard by the console operator. This non-latching condition continues until the closure is released. (Requires a user-suppliedmomentary action TALKBACK switch at the studio microphone location.)

On Air Tally

Lets any programmed channels START switch control an on-air light or othermicrophone on indicator at a remote location. This control function provides a contactclosure between Pin 9 (On Air Tally N.O.) and Pin 10 (On Air Tally Common) wheneverthe module is ON.

This signal can be used to control an externally powered tally light that requires acontinuous closure to function. Current should not exceed 2 amps at 30 volts DC.

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AIR 3 Console RearAIR 3 / Mar 2010

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Audio Connection

1

2

3

4

5

6

MICS INPUTS6-pin Plug Terminal

MIC 1 IN SH

MIC 1 IN LO

MIC 1 IN HI

MIC 2 IN SH

MIC 2 IN LO

MIC 2 IN HI

1

2

3

4

5

6

7

8

"MIC 1 OUT" RJ-45

MIC 1 OUT HI 1

2

3

4

5

6

7

8

"MIC 2 OUT" RJ-45

MIC 2 OUT HI

MICS OUTPUT

1

2

3

4

5

6

7

8

"A" RJ-45

LINEA LT IN HI

LINEA LT IN LO

LINEA RT IN HI

LINEA RT IN LO

1

2

3

4

5

6

7

8

"B" RJ-45

LINEB LT IN HI

LINEB LT IN LO

LINEB RT IN HI

LINEB RT IN LO

LINE INPUTS#1 through # 12

1

2

3

4

5

6

7

8

"IN" RJ-45

CALLER IN HI

CALLER IN LO

1

2

3

4

5

6

7

8

"OUT" RJ-45

CALLER OUT HI

CALLER OUT LO

CALLER

MIC 1 OUT SH MIC 2 OUT SH

MIC 1 OUT HI MIC 2 OUT HI

MIC 1 OUT SH MIC 2 OUT SH

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I N S T A L L A T I O N A N D P O W E R

AIR 3 / Dec 2011

"USB ANALOG OUT" RJ-45

1

2

3

4

5

6

7

8

"1" RJ-45

1

2

3

4

5

6

7

8

"2" RJ-45

PGM OUTPUTS

1

2

3

4

5

6

7

8

"CR OUT" RJ-45

CR LT OUTHI

CR LT OUTSH

CR RT OUT HI

CR RT OUT SH

1

2

3

4

5

6

7

8

"STU OUT" RJ-45

MONITORS OUTPUTS

1

2

3

45

6

7

8

"EXT IN" RJ-45

EXT LT IN HI

EXTLT IN LO

EXT RT IN HI

EXT RT IN LO

EXTERNAL INPU

1

2

3

45

6

7

8

USBLT OUT HI

USBLT OUT LO

USB OUTPUT

USBRT OUT HI

USBRT OUT LO

PGM 1 LT OUT HI

PGM 1 LT OUT LO

PGM 1 RT OUT HI

PGM 1 RT OUT LO

PGM 2 LT OUT HI

PGM 2 LT OUT LO

PGM 2 RT OUT HI

PGM 2 RT OUT LO

STU LT OUTHI

STU LT OUTSH

STU RT OUT HI

STU RT OUT SH

Audio Connections

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Cue Out and Control ConnectionLOGIC - DB-25 Connecto

START CHANNEL 12

START CHANNEL 11

START CHANNEL 9

START CHANNEL 8

START CHANNEL 7

START COMMON

START COMMON

START COMMON

START COMMON

START COMMON

START COMMON

MIC 2 TB TO CUE/CR COMMON

MIC 2 TB TO CUE/CR

ON AIR TALLY COMMON

ON AIR TALLY N.O.

CUE OUT AUDIO COMMON

CUE OUT

START CHANNEL 6

START CHANNEL 5

START CHANNEL 4

START CHANNEL 3

START CHANNEL 2

START CHANNEL 1

5

4

3

2

1

17

16

15

14

8

7

6

20

19

18

10

9

23

22

21

13

12

11

25

24

START PHONE CHANNEL

START CHANNEL 10

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C O N S O L E F E A T U R E S

Console Features

Chapter Contents

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

Inputs .......................................................................................... 2-3Analog Mono Mic Level Inputs ............................................................................... 2-3

Analog Stereo Line Level Inputs ............................................................................ 2-3

Outputs ....................................................................................... 2-3

USB Port ..................................................................................... 2-4

Using the USB Port... ............................................................................................. 2-4

... With a MAC ......................................................................................................... 2-4

... With a WindowsPC.......................................................................................... 2-4

Other Computers .................................................................................................... 2-5

General Considerations .......................................................................................... 2-5

Mute and Tally ............................................................................ 2-5

Console Programming Options ................................................ 2-6PGM/CUE Dipswitch............................................................................................... 2-6

Cue Interrupt ...................................................................................................... 2-6

Split Cue, Control Room .................................................................................... 2-6

Split Cue, Headphone ....................................................................................... 2-6

Studio Dim ......................................................................................................... 2-6

Program Mono ................................................................................................... 2-7

USB Source Dipswitches (internal) ........................................................................ 2-7

CR MUTE/AIR TALLY Dipswitches ........................................................................ 2-7

CR Mutes ........................................................................................................... 2-7

On Air Tally ........................................................................................................ 2-8

Console Layout Drawing ........................................................... 2-9

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Console Features

Overview

Each AIR 3 console has two Input panels and one Master panel. The Input panelconsists of six faders with associated switches. The Master panel has a PHONE section,a CONTROL section, a HEADPHONE section, and a STUDIO section. Each section isdescribed below.

The basic purpose of the console is to take some of the many audio signals that are

wired to the console inputs, and generate several outputs that combine these inputs invarious groups and at various degrees of loudness, or signal strength. The typicalapplication is in a radio station where it is desired to develop the signals that the stationwill broadcast (the on air signal), as well as several additional signals for recording andmonitoring.

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Inputs

The AIR 3 console is designed to handle up to 24 analog stereo pro level (+4dBubalanced) inputs, two mono microphone (-50dBu nominal) inputs, and one externalstereo line level (+4dBu balanced) input that goes directly to control room or studio.

The AIR 3 also has one analog (+4dBu balanced) input dedicated to use asa telephone caller input.

Analog Mono Mic Level Inputs

These inputs are used to connect to microphones, which typically put out signals atrelatively low signal strength, and therefore require more amplification (increase insignal strength) to be properly audible in the output. Mic level sources are wired to a 6-position plug terminal located on the rear of the console. On the rear of the console alsoare a pair of RJ-45 connectors used for MIC outputs, and the MIC 1 and MIC 2 GAINtrimpots for adjusting the level of each microphone input independently.

Example: with a microphone input of 60dBm @150ohm at the port, gain trim can set levelsfrom -22dBu to +16dBu (note maximum preamp gain is +76dB) at the PGM 1 or PGM 2 output.

These microphone connections are to the inputs of two internal microphone pream-plifiers. In order to actually hear the microphone audio, the microphone preamplifieroutputs must be wired to the desired line inputs that feed the faders you will use to control

the microphone levels.Looking at the rear of the console, there are two RJ-45 connectors towards the left

end of the console labeled MIC 1 OUT and MIC 2 OUT. These are the outputs,respectively, of the MIC 1 preamp and MIC 2 preamp.

In a typical installation you will want to feed the mic signal to both left and right sidesof the stereo line input. For this reason, we have duplicated the MIC OUT signal as bothleft and right, so that a simple RJ-45 patch cord will carry the mic signal to both left andright sides of the stereo input of whichever line input you want the mic to feed.

Analog Stereo Line Level Inputs

These inputs are typically used to connect to machines, such as tape decks, cart

machines, CD players, etc., that provide analog outputs. As mentioned above, you canalso feed these inputs from the outputs of the internal mic preamps.

Outputs

The console main analog outputs include two Program stereo buses (PGM 1 andPGM 2). The Program stereo outputs can be programmed to mono outputs via dipswitchSW 1 (described in the Console Internal Programming section).

Monitor outputs include a stereo Control Room output, a stereo Studio output, amono cue output, and a stereo headphone jack.

AIR 3 / June 2010

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The consoles mono cue signal feeds the internal speaker in the meterbridge, andalso provides the cue signal used to interrupt Control Room and headphones, if suchinterrupt has been enabled by the installer.

USB PortThe console contains a USB 2.0 interface, avail-

able via the USB Type B connector on the rear panel,to enable audio to pass between the console and aUSB port on a computer. Internally, dipswitchesselect either PGM 1 or PGM 2 as the audio from theconsole to the computer (see Console Internal Pro-gramming). Audio coming back from the computervia USB shows up as a stereo analog signal on theUSB ANALOG OUT RJ-45 connector. From there,the audio can be patched to any line input, or to the external input.

Using the USB Port . . .

Any computer having a USB port and installed drivers capable of passing andutilizing digital audio data should work with the Air 3 USB port. Use a cable having aUSB Type B connector on the Air 3 end and a connector on the other end that will matewith the computers USB port; this will typically be a USB Type A connector.

. . . With a MAC

In general, this will be a plug-and-play process. The main concern is to choose theUSB Audio Codec under System Preferences>Soundas desired for audio input and/or

output. Then simply start the application.

. . . With a WindowsPC

When you first connect the Air 3 USB port to a PC running Windows you will seethe famous found new hardware sequence of messages. At some point this sequenceshould end with a message that the new hardware is installed and ready to use.

Setting up any given application to use the Air 3 USB port will depend on theapplication itself. Generally, you will need to select the appropriate device from a listof devices in a Preferences dialog.

As an example, lets look at WinAmp, a free software application used by millionsto play back audio streams from a network (or the Internet), or to play audio streams into

a network.To play audio from the Air 3 on the computer:

Install the free LineIn plugin for WinAmp.

Under Preferences - Inputselect the LineIn plugin from the Input list and clickConfigure, then find the USB Audio Codec in the list of available devices and noteits corresponding device number, which you will need below.

In WinAmp, choose Play URL...

Enter line://dev=n where n is the device value that you discovered above.

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Now when you click Play, WinAmp will play the Air 3 audio on the output deviceselected in WinAmp. This could be speakers, a sound card, or even an outputstream.

To play audio from the computer on the Air 3:

Under WinAmp Preferences - Outputselect an output plugin and click Configure,then select the USB Audio Codec as the device.

Play the desired computer audio with WinAmp and the audio will appear at theUSB ANALOG OUT connector on the back of the Air 3. You must patch thisoutput to the desired fader (using the appropriate connector from the INPUTSbank), or to the EXT IN if desired, to route the audio.

Other Computers

If your computer does not use one of the above operating systems, or otherwisebehaves differently than described above, consult the documentation for that computer,

operating system, and/or application.

General Considerations

If any problems are encountered, please consider the following points:

The audio that is output from the Air 3 on the USB port depends on the setting ofthe internal dipswitches that select between PGM 1 and PGM 2 as the source (seeConsole Internal Programming).

The audio coming back into the Air 3 on the USB port is available at the USBANALOG OUT, which mustbe patched to a line input if you want it to come upon a fader, or to the EXT IN if you want it available only in the monitors, or to someexternal device if thats where you want it to show up.

If you are not able to get the audio into or out of the USB port, check the USB cable,its connections at both ends, and the port selection settings in the application youare using.

If you have the audio flowing where you want and it suddenly becomes intermittentor disappears, check the USB cable and the connections at both ends.

Once you have the USB audio under control it is a good idea to make a record ofthe application being used, including its version number, the audio direction (intoor out of the computer), and all the settings that were required to make it work. Thisinformation will be invaluable if you later have to troubleshoot the USB audio, orset it up on another computer.

Mute and TallyThe console has the ability to mute the control room output. The console also has an

ON AIR tally output that is used to drive user-provided external circuitry that will in turnoperate the control room on air indicator. This tally is automatically activated wheneverthe control room mute is activated. Thus, turning on any module that activates thecontrol room mute also turns on the ON AIR tally. Whenever this tally is activated theON AIR indicator in the meterbridge will also illuminate.

See the Console Programming Options section for details.

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Console Programming Options

All programming (except for the headphone split cue option and selection of audioto feed to an external computer via the USB port) is made via three PCB mounted

dipswitches located on the consoles rear panel. One dipswitch (PGM/CUE switch) ison the top left side of the rear, and programs the control room cue, the studio dimfunction, and the mono program outputs. The two other dipswitches (CR MUTE/AIRTALLY) are in between the two groups of INPUTS RJ-45 connectors, and activate CRmute and AIR TALLY.

PGM/CUE Dipswitch

When a PGM/CUE dipswitch position is up it is ON.

Cue Interrupt

The dipswitch pos. 1, when activated, sends cue to the control room.

Split Cue, Control Room

The dipswitch pos. 2, when activated, allows a summed (L+R) version of the regularprogram to be sent to the right side of the CR monitor stereo output, while CUE is sentto the left side.

Split Cue, Headphone

Consoles are normally programmed at the factory for CUE to appear on the leftchannel, while L+R sum of the control room output appears on the right. This can bechanged with jumper J1 on the back side of the Master Panel. The jumper normally spanspins 2 and 3 of the jumper header. To defeat this split cue option, move the jumper to span

pins 1 and 2 instead. Then cue will interrupt both sides of the headphones.

Studio Dim

The dipswitch pos. 3, when activated, allows normal studio audio to DIM (drop-20dB in level) when talkback to studio is engaged. If this dipswitch is not activated, thenormal studio audio is completely interrupted by the MIC 1 audio when talkback tostudio is engaged.

If the studio is programmed to DIM talkback audio could presumably make it fromthe studio monitor speakers to the open studio mic.

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Program Mono

The dipswitch pos. 4 - 7, when activated, sums the left and rightPROGRAM channels and sends L+R to the appropriate channel:

Pos. 4 - sends L+R of the PGM 1 to the PGM 1 LT channel;Pos. 5 - sends L+R of the PGM 1 to the PGM 1 RT channel;

Pos. 6 - sends L+R of the PGM 2 to the PGM 2 LT channel;

Pos. 7 - sends L+R of the PGM 2 to the PGM 2 RT channel.

USB Source Dipswitches (internal)

Dipswitch 2 on the CONA3-4 board is used to determinewhether PGM 1 or PGM 2 will feed the USB link. Positions 1and 3 should be on to feed USB with PGM 1, while positions 2

and 4 should be on to feed USB with PGM 2. If PGM 1 is to beused, the PGM 2 positions should be off, and if PGM 2 is to beused, the PGM 1 positions should be off. DO NOTactivate bothPGM 1 and PGM 2 simultaneously!

CR MUTE/AIR TALLY Dipswitches

When a CR MUTE/AIR TALLY dipswitch position is down it is ON.

CR Mutes

An input channel can be programmed to mute the control room speakers when thechannel is ON. Positions 1 through 12 and caller (13) of the dipswitches, when activated,automatically mute the consoles control room speakers when the corresponding channels1 through 13 are turned ON. This is done to prevent feedback from the CR announcersmic. At the same time the ON AIR LED in the center of the meterbridge will light up.

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On Air Tally

For controlling the on-air tally function, a relay is provided. The tally is activatedwhen any channel set for CR mute is turned on or put into cue.

The relay connections are available at the LOGIC DB-25 connector mounted onthe rear of the console. Connect the on-air light to the external user-provided relay.Do not bring on-air light AC connections to any pin of any connector on the console.

PIN

10

CONNECTOR PIN

ON "LOGIC"DB-25 YOUR

POWERSUPPLY

TYPICAL CONTROL ROOM ON-AIR TALLY CIRCUIUSER-SUPPLIED RELAY TRIGGERED BY CONSOLE CR MUTE CIRCUI

PIN

9

+INTERNAL AIR

TALLY RELAY

COM

+

1N4002

ECGB40240

or equiv.relay

RELAY CIRCUIT POWERED BY USE

SUPPLIED EXTERNAL SUPPLY

N.O.

N.C.

2Amax

30VDC

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AIR 3 Console LayoutAIR 3 / Mar 2010

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C O N T R O L S A N D F U N C T I O N S

Controls and Functions

Chapter Contents

Input Panel (IP-AIR3) .................................................................. 3-2

Source Select .................................................................................................... 3-3

Program Assign ................................................................................................. 3-3 Cue Button ......................................................................................................... 3-3

Fader.................................................................................................................. 3-3

ON Button .......................................................................................................... 3-3

Master Panel (MST-AIR3) ........................................................... 3-4

Caller Input ............................................................................................................. 3-5

Program Assign ................................................................................................. 3-5

Cue Button ......................................................................................................... 3-5

TB Button ........................................................................................................... 3-5

Fader.................................................................................................................. 3-5

ON Button .......................................................................................................... 3-5

Caller Set-Ups ................................................................................................... 3-6

Control Room Monitor............................................................................................. 3-7 Program Select .................................................................................................. 3-7

EXT Switch ........................................................................................................ 3-8

Control Room Level Control .............................................................................. 3-8

Cue Level Control .............................................................................................. 3-8

Headphone Level Control .................................................................................. 3-8

Studio Monitor ......................................................................................................... 3-9

Program Select .................................................................................................. 3-9

EXT Switch ........................................................................................................ 3-9

Studio Level Control .......................................................................................... 3-9

TB (Talkback) Button ......................................................................................... 3-9

Meters (VU-AIR3) ................................................................................................. 3-10

VU Meter Pairs ................................................................................................ 3-10

Meters Select Button ....................................................................................... 3-10

On Air LED ............................................................................................................ 3-10

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Controls and Functions

Input Panel (IP-AIR3)

The Input panel of the AIR 3 console has six identical strips representing six inputchannels.

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Source Select

Each input channel accepts two analog stereo sources: A and B,switched at the top of the panel. The A/B button will be lit when source B

is selected.

Program Assign

Output switches assign the selected source signal to any combinationof the consoles two stereo Program outputsPGM 1 and PGM 2. Thebutton will be lit when the source is assigned to its respective bus. Toremove a source from the bus, press the button again; the light will go offto indicate that the source is no longer assigned to that bus. NOTE thatwhen the console is powered up all input channels will be off, with sourceA selected, and assigned to PGM 1.

Recessed rear panel trimpots adjust the left and right levels of PGM 1

and PGM 2 outputs.

Cue Button

A CUE switch places the channels signal on the consoles cue bus,where it may be heard on the meterbridge mounted cue speaker, as aninterrupt to the console operators headphones, and as an interrupt to thecontrol room monitor speakers, if so programmed.

Press the CUE button. The channels input signal will be included inthe consoles CUE output at a level that is independent of the FADERsetting, and the button will light. The fader does not need to be turned ON.To remove a fader from cue, press the CUE BUTTON again; the light will

go off to indicate the channel is no longer assigned to cue.

Fader

Level is set by a long-throw fader. The fader is the sliding mechanismthat determines how strong is the presence of the input in some of thevarious console outputs.

If the fader is all the way down (that is, pulled toward the consoleoperator), the signal will not be present in either of the two program mainbuses to which it is assigned. As the fader is moved up (that is, pushed awayfrom the console operator) the signal will appear more strongly in each ofthe main buses to which it is assigned.

ON Button

The ON button turns the channel on and off by means of electronicswitching and can simultaneously start external source machines. Thechannel is ON when the ON button is lit. These can also be programmed(as mentioned in the previous chapter) to activate control room mute andon air tally.

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Master Panel (MST-AIR3)

The Master panel includes the Caller Input, Control Room monitor, Studio monitor,and Meters sections.

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Caller Input

The caller section is used for the telephone call-in talk segments, andcontrols the audio for the caller. The caller signal enters the console fromyour station hybrid.

The caller feed can be either or both of the two Program buses. The callerfeed will never contain the callers own voice.

A recessed rear panel trimpot adjusts the caller output level.

Program Assign

Output switches assign the caller to any combination of the consoles twoProgram outputs (PGM 1 and PGM 2), and permit live talk-ins.

Pressing either of the two program switches causes the callers audio tobe included in the output mix for that bus, at a level dependent on the FADERsetting, as long as the caller section is ON. The button will be lit when the

caller is assigned to its respective bus. To remove the caller from a bus towhich it is currently assigned, press the button again; the light will go off toindicate that the caller is no longer assigned to that bus.

CUE Button

The CUE button allows interviewing the caller prior to airing by includ-ing the callers voice in the consoles cue bus, where it may be heard on themeterbridge mounted cue speaker.

TB Button

When the TB switch is pressed (it is momentary action), the microphone

(MIC 1) will interrupt the regular caller signal, thus allowing the DJ to talkto the caller prior to airing.

Fader

The long-throw fader sets the callers signal level.

If a fader is all the way down the callers voice will not be present in eitherof the two Program buses (PGM 1 and PGM 2) to which the phone isassigned. As the fader is moved up the signal will appear more strongly ineach of the main buses to which the phone is assigned.

The fader position will also affect the strength of the caller in the cueoutput.

ON Button

The ON button determines if the phone channel is ON or OFF. Thechannel is ON when the ON button is lit. The button can also be used toprovide external start logic for the hybrid.

If the phone channel is OFF, caller signal will not be present in any mainbus output, regardless of the status of the PROGRAM ASSIGN buttons orthe position of the fader. If the phone channel is OFF its signal will still bepresent in the cue output if it has been assigned to cue.

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Caller Set-Ups

Pre-air segment communication between the console operator (DJ) andcallers is aided by the CUE button, which places the callers voice on theconsoles cue speaker and headphones, and (if so programmed) CR speak-

ers. Additionally, pressing the caller TB switch sends the MIC 1 signal tothe caller output.

A typical call-in segment might proceed as follows:

Caller phones in, DJ picks up off-air during a track play to set up the call.He places the caller in CUE, and talks to the caller by pressing the TB button.Neither the DJ mic nor the phone channel need to be ON for two-waycommunication.

When he is ready to take the call on-air, the DJ makes sure his mic andphone are assigned to PGM 1 or PGM 2 and turns them ON. He thendeactivates caller CUE to hear the normal feed.

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Control Room Monitor

This is the console operators monitorthat allows the operator to listen to theconsoles two stereo Program outputs andan external stereo line level input. Thissection of the console includes the moni-tor level controls for the control room,headphone, and cue circuits.

In a typical radio application the con-sole is located in the Control Room. Speak-ers in the Control Room allow the consoleoperator to listen to the console bus out-puts to be assured that the console isperforming as desired. These speakersare fed by a stereo signal from the

consoles Control Room output. In addi-tion to the Control Room output, theoperator may also desire to listen to spe-cific isolated faders via the cue systemand the consoles internal cue speaker, ormay want to listen via headphones. Thus,the control room monitor consists of theabove mentioned level controls, alongwith two program assign (PGM 1 andPGM 2) buttons, and an external input(EXT) button.

In some instances the console operator may also be performing talent whose voicewill be heard over the radio. The operators microphone may thus provide a part of thesignal that is going out over the air. If that signal is the one being monitored with theControl Room speakers, there is the potential for feedback. The amplified signal fromthe Control Room speakers is picked up by the microphone and amplified to a new,higher, level, which then is once again picked up by the microphone. The signalquickly rises to an ear-splitting screech. To prevent this, the operators microphoneis normally set to MUTE the Control Room output to prevent the occurrence offeedback.

The master CUE circuit drives a meterbridge-mounted speaker through a built-inpower amp, and can be programmed to interrupt control room feed, or provide a splitfeed (program mono sum to right, cue to left) to the control monitor speakers. It also

automatically interrupts the headphone feed.

Program Select

Pressing either of the two program (PGM 1 or PGM 2) switches allows the operatorto listen to the selected output bus. The button will be lit when the monitor is assignedto its respective bus.

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EXT Switch

Pressing the EXT switch allows theoperator to pick up the external input (use-

ful for such items as tape recorders or airreturns) to listen.

CONTROL ROOM Level Control

The CONTROL ROOM level controldetermines the overall loudness of thesignal being monitored as it appears in theControl Room speakers. As the control isturned clockwise, the loudness increasesup to a maximum at the limit of mechani-cal rotation. To decrease the loudness,turn the control in a counterclockwise

direction.

NOTE: If the Control Room is mutedand you turn the level control all theway up, then remove the condition thathas the Control Room muted, the soundin the Control Room speakers willsuddenly be VERY LOUD!

CUE Level Control

The CUE level control determines the overall loudness of the cue signal as itappears in the consoles cue speaker (located behind the grill in the

METERBRIDGE).

Like the Control Room speakers, the cue speaker also has the potential forfeedback. To avoid this situation, operator mics that mute the Control Room willalso mute the cue speaker.

NOTE: If cue is muted and you turn the level control all the way up, then removethe condition that has the cue muted, the sound in the cue speaker will suddenlybe VERY LOUD!

HEADPHONE Level Control

The HEADPHONE level control determines the overall loudness of theheadphone output signal, which monitors the same source (PGM 1, PGM 2, orEXT) as the Control Room speakers.

The headphone output signal appears at the HEADPHONE JACK, locatedbeneath the armrest near the right side of the console. The jack is provided as a placeto plug in user-supplied stereoheadphones having an impedance of 60 Ohms orhigher.

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Studio Monitor

In addition to the Control Room, theremay be a Studio in which one or moreperformers will be assembled, usuallywith microphones so that their voices canbecome part of the mix. Speakers may beprovided in the Studio to allow the talentto listen to the console bus outputs attimes that they are not actually on air.These speakers are fed from the consolesstereo Studio output.

The studio monitor consists of a STU-DIO level control, a TB (talkback) but-ton, two program assign (PGM 1 andPGM 2) buttons, and an external input

(EXT) button.A connection is provided on the

consoles DB-25 connector to wire up aMIC 2 TB to CUE/CR switch providedby the user. This switch enables a guestusing MIC 2 to talk back to the ControlRoom over the consoles cue system.

Program Select

Pressing either of the two program PGM 1 or PGM 2 switches allows theselected output bus to be heard in the studio. The button will be lit when the monitor

is assigned to its respective bus.

EXT Switch

Pressing the EXT switch allows the external balanced input (such as taperecorders or air returns) to be heard in the studio.

STUDIO Level Control

The STUDIO level control determines the overall loudness of the signal beingmonitored as it appears in the Studio speakers.

TB (Talkback) Button

The TB button lets the operators microphone signal interrupt the normal feedto the studio speakers, allowing the operator to talk to the performers in the Studio.If the Studio Dim dipswitch (described in Chapter 2) is set to the ON position, thenormal studio feed is not completely removed, but is dimmed by 20dB.

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Meters (VU-AIR3)

The METERS section consists of two VU meter pairs on the consolesmeterbridge and a METERS select button, located on the Master panel.

VU Meter Pairs

VU meter pairs (PROGRAM 1 VU and SWITCHED VU) are stereoLED bargraph type meters.

The level of the signal being metered is indicated by the number of

display elements that are lighted. The more elements lighted, thestronger is the signal being displayed. The right four LEDs in eachbargraph are red to indicate when the signal level is approaching aclipping (distorted) level. The next four LEDs are yellow, indicating anormal level range, and the remaining LEDs are green. The top member of the pairindicates the level of the signals left channel, while the bottom member of the pairindicates the level of the signals right channel. Peak (CLIP) indication is alsoprovided.

The left VU meter pair shows the level of the PGM 1 output, while the right VUmeter pair (the SWITCHED VU) shows the level of the signal that is selected forit (PGM 2 or EXT).

METERS Select Button

The METERS buttons select the source for the switched meter pair, as indicatedabove.

On Air LED

The ON AIR LED, located in the middle of the meterbridge,lights up when any input channel is programmed by dipswitchto have the CR MUTE/AIR TALLY dipswitch activated, andis also ON.

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Schematic and Load SheetDrawings

Chapter Contents

Console Flow Diagram .................................................................4-2

IP-AIR3 6 Inputs Panel

Schematic ................................................................................................................. 4-3

Load Sheet................................................................................................................ 4-9

MST-AIR3 Master Panel

Schematic ................................................................................................................ 4-10

Load Sheet............................................................................................................... 4-15

MTR-AIR3 Meters Card

Schematic ................................................................................................................ 4-16

Load Sheet............................................................................................................... 4-19

CONA3-3 Three Connector Blocks Card

Schematic ................................................................................................................ 4-20

Load Sheet............................................................................................................... 4-22

CONA3-4 Four Connector Blocks Card

Schematic ................................................................................................................ 4-23

Load Sheet............................................................................................................... 4-28

S C H E M A T I C D R A W I N G S

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AIR 3 / Apr 2010

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PGM1SW_2

PGM2SW_2

CUESW_1

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STARTSW_1

STARTSW_2

ABSW_3

ABSW_4

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PGM2SW_3

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START_3

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ABSW_5

ABSW_6

PGM1SW_5

PGM2SW_5

PGM1SW_6

PGM2SW_6

CUESW_5

CUESW_6

STARTSW_5

STARTSW_6

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AIR 3 / Apr 2010

8 7 6 45

8 7 6 45

D

A

C

B

U24

1

23

74LS00

U24

4

56

74LS00

U24

9

108

74LS00

U24

12

1311

74LS00

GND

VCC

R81

1.00K

R82 220

C60

0.22uF

GND

GND

U22 3

2

1

74LS00

U22 6

5

4

74LS00

U22 8

10

9

74LS00

U22 11

13

12

74LS00

U233

4

6

5AQW210S

GND

VCC

R71

1.00K

R80 220

C58

0.22uF

GND

GND

U19 3

2

1

74LS00

U19 6

5

4

74LS00

U19 8

10

9

74LS00

U19 11

13

12

74LS00

U203

4

6

5AQW210S

GND

VCC

R66

1.00K

R77 220

C54

0.22uF

GND

GND

U18

1

23

74LS00

U18

4

56

74LS00

U18

9

108

74LS00

U18

12

1311

74LS00

GND

VCC

R75

1.00K

R76 220

C52

0.22uF

GND

GND

U23

7

81

2 AQW210S

U17

2

1 8

7AQW210S

STARTSW_1

START_1

PGM1_1

PGM2_1

STARTSW_2

START_2

PGM1_2

PGM2_2

STARTSW_4

START_4

PGM1_4

PGM2_4

STARTSW_5

START_5

PGM1_5

PGM2_5

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AIR 3 / Apr 2010

8 7 6 45

8 7 6 45

D

A

C

B

R144

3.32K

R146

3.32K

R142

3.32K

R148

3.32K

AGND

AGND

AGND

AGND

U36

5

3

9

4

6

4053

X

Y

X-Y

INH

S

AGND GND

AGND

AGND

AGND

CT8 21

310K

AGND

AGND

C170 22uF

AGND

AGND

C173 22uF

U36

12

13

11

14

6

4053

X

Y

X-Y

INH

S

V+

V-

V+

V-

U36

2

1

10

15

6

4053

X

Y

X-Y

INH

S

-2dBu

-2dBu

-14dBu

-14dBu

-2dBu

-2dBu

U315

6

7

4

8

5532

U313

2

15532

U54

6

5

7

4

8

5532

U54

2

3

15532

-2dBu

-2dBu

C14622uF

C14922uF

C15022uF

22uF C120

CT8 45

310K

R147 10.0K

R145 10.0K

R143 10.0K

R141 10.0K

R191 10.0K

R192 10.0K

R190 10.0K

R193 10.0K

R227 22.1K

R204 22.1K

R203 88.7K

R228 88.7K

C147 10pF

C172 10pF

C78 10pF

C102 10pF

R134

3.32K

R136

3.32K

R132

3.32K

R138

3.32K

AGND

AGND

AGND

AGND

U35

6

4

9

3

5

4053

X

Y

X-Y

INH

S

AGND GND

AGND

AGND

AGND

CT7

3

1 2

10K

AGND

AGND

C167 22uF

AGND

AGND

C169 22uF

U35

6

14

11

13

12

4053

X

Y

X-Y

INH

S

V+

V-

V+

V-

U35

6

15

10

1

2

4053

X

Y

X-Y

INH

S

-2dBu

-2dBu

-14dBu

-14dBu

-2dBu

-2dBu

U30

8

4

7

6

5

5532

U301

2

3

5532

U53

8

4

7

5

6

5532

U531

3

2

5532

-2dBu

-2dBu

C14222uF

C14522uF

C11822uF

C11922uF

CT7

3

5 4

10K

R137 10.0K

R135 10.0K

R133 10.0K

R131 10.0K

R186 10.0K

10.0KR187

R185 10.0K

R188 10.0K

R216 22.1K

R202 22.1K

R201 88.7K

R226 88.7K

C143 10pF

C168 10pF

C76 10pF

C100 10pF

R194 20.0K

R161 20.0K

R189 20.0K

R159 20.0K

R97 10K

R98 10K

R160 10K

R162 10K

LINEAINLT_1

LINEAINRT_1

LINEBINLT_1

LINEBINRT_1

LINEAINLT_2

LINEAINRT_2

LINEBINLT_2

LINEBINRT_2

FADER 2

LT

RT

RT

LT

FADER 1

A

B

IN 1

IN 2

B

A

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AIR 3 / Apr 2010

8 7 6 45

8 7 6 45

D

A

C

B

3.32K

R124

3.32K

R126

3.32K

R122

3.32K

R128

AGND

AGND

AGND

AGND

6

4

9

3

5

U344053

X

Y

X-Y

INH

S

AGND GND

AGND

AGND

AGND

AGND

AGND

22uFC163

AGND

AGND

22uFC166

6

14

11

13

12

U344053

X

Y

X-Y

INH

S

V+

V-

V+

V-

6

15

10

1

2

U344053

X

Y

X-Y

INH

S

-2dBu

-2dBu

-14dBu

-14dBu

-2dBu

-2dBu

8

4

7

6

5 U29

5532

1

2

3 U29

5532

8

4

7

5

6

U525532

1

3

2

U525532

-2dBu

-2dBu

22uF C138

22uF C141

22uF C116

22uF C117

10.0KR127

10.0KR125

10.0KR123

10.0KR121

10.0KR181

10.0KR182

10.0KR180

10.0KR183

22.1KR224

22.1KR200

88.7KR199

88.7KR225

10pFC139

10pFC165

10pFC74

10pFC98

3.32K

R114

3.32K

R116

3.32K

R112

3.32K

R118

AGND

AGND

AGND

AGND

5

3

9

4

6

U334053

X

Y

X-Y

INH

S

AGND GND

AGND

AGND

AGND

21

3

CT5

10K

AGND

AGND

22uFC160

AGND

AGND

22uFC162

12

13

11

14

6

U334053

X

Y

X-Y

INH

S

V+

V-

V+

V-

2

1

10

15

6

U334053

X

Y

X-Y

INH

S

-2dBu

-2dBu

-14dBu

-14dBu

-2dBu

-2dBu

5

6

7

4

8

U285532

3

2

1U285532

6

5

7

4

8

U515532

2

3

1U515532

-2dBu

-2dBu

22uF C134

22uF C137

22uF C114

22uF C115

45

3

CT5

10K

10.0KR117

10.0KR115

10.0KR113

10.0KR111

10.0KR176

10.0KR177

10.0KR175

10.0KR178

22.1KR213

22.1KR198

88.7KR197

88.7KR223

10pFC135

10pFC161

10pFC72

10pFC96

20.0KR184

20.0KR157

20.0KR179

20.0KR155

21

3

CT6

10K

45

3

CT6

10K

R95 10K

R96 10K

R156 10K

R158 10K

LINEAINLT_3

LINEAINRT_3

LINEBINLT_3

LINEBINRT_3

LINEAINLT_4

LINEAINRT_4

LINEBINLT_4

LINEBINRT_4

FADER 3

LT

RT

RT

LT

FADER 4

A

B

IN 4

IN 3

B

A

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AIR 3 / Apr 2010

8 7 6 45

8 7 6 45

D

A

C

B

R104

3.32K

R106

3.32K

R102

3.32K

R108

3.32K

AGND

AGND

AGND

AGND

U32

6

4

9

3

5

4053

X

Y

X-Y

INH

S

AGND GND

AGND

AGND

AGND

AGND

AGND

C156 22uF

AGND

AGND

C159 22uF

U32

6

14

11

13

12

4053

X

Y

X-Y

INH

S

V+

V-

V+

V-

U32

6

15

10

1

2

4053

X

Y

X-Y

INH

S

-2dBu

-2dBu

-14dBu

-14dBu

-2dBu

-2dBu

U27

8

4

7

6

5

5532

U271

2

3

5532

U50

8

4

7

5

6

5532

U501

3

2

5532

-2dBu

-2dBu

C13022uF

C13322uF

C11222uF

C11322uF

R107 10.0K

R105 10.0K

R103 10.0K

R101 10.0K

R171 10.0K

R172 10.0K

R170 10.0K

R173 10.0K

R221 22.1K

R196 22.1K

R195 88.7K

R222 88.7K

C131 10pF

C158 10pF

C70 10pF

C94 10pF

R86

3.32K

R88

3.32K

R83

3.32K

R90

3.32K

AGND

AGND

AGND

AGND

U25

5

3

9

4

6

4053

X

Y

X-Y

INH

S

AGND GND

AGND

AGND

AGND

AGND

AGND

C109 22uF

AGND

AGND

C155 22uF

U25

12

13

11

14

6

4053

X

Y

X-Y

INH

S

V+

V-

V+

V-

U25

2

1

10

15

6

4053

X

Y

X-Y

INH

S

-2dBu

-2dBu

-14dBu

-14dBu

-2dBu

-2dBu

U265

6

7

4

8

5532

U263

2

15532

U49

6

5

7

4

8

5532

U49

2

3

15532

-2dBu

-2dBu

C9022uF

C12922uF

C11022uF

C11122uF

R89 10.0K

R87 10.0K

R85 10.0K

R84 10.0K

R166 10.0K

R167 10.0K

R165 10.0K

R168 10.0K

R219 22.1K

R164 22.1K

R163 88.7K

R220 88.7K

C127 10pF

C154 10pF

C68 10pF

C92 10pF

R174 20.0K

R153 20.0K

R169 20.0K

R151 20.0K

CT4 45

310K

CT4 21

310K

CT3

3

1 2

10K

CT3

3

5 4

10K

R93 10K

R94 10K

R152 10K

R154 10K

LINEAINLT_5

LINEAINRT_5

LINEBINLT_5

LINEBINRT_5

LINEAINLT_6

LINEAINRT_6

LINEBINLT_6

LINEBINRT_6

RT

LT

FADER 6

FADER 5

LT

RT

A

B

IN 6

IN 5

B

A

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IP-AIR3 6 Inputs Panel Load SheeAIR 3 / Mar 2010

Top

Bottom

8/13/2019 AIR3 MANUALW_20120730

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R62 220

R64 220

R66 220

220R38

220R40

220R41

0.22uF

C25

0.22uF

C24

0.22uF

C47R65

1.00K

1.00K

R39

1.00K

R42

GNDGND

GNDGND

GND

220R43

GND

43

2 1

SW4

12

3 4

SW3

12

3 4

SW2

12

3 4

SW5

220R192

220R194

220R172

12

3 4

SW13

12

3 4

SW12

43

2 1

SW8

2

3

S

2

3

S

AIR-3 / Nov 2011

B

C

A

D

5 46 7 8

5 46 7 8

CT1

1

10

11 12

13 14

15 16

17 18

19

2

20

21 22

23 24

25 26

3 4

5 6

7 8

9

CT2

1

10

11 12

13 14

15 16

17 18

19

2

20

21 22

23 24

25 26

3 4

5 6

7 8

9

12

3 4

SW6

R96 220

R98 100

0.22uF

C79R97

1.00K

GNDGND

AGNDAGND

AGND

AGND

GND

GND

AGND

GND GND

AGND

AGND

AGND

AGN

GN

AGN

R63

10.0K

VCC

10.0K

R173

VCC

10.0K

R195

VCC

10.0K

R193

VCC

PGM1SW_13VCC

VCC

VCC

PGM2SW_13

CUESW_13

VCC

VCC

VCC STARTSW_13

PGM2OUTRTLOPGM2OUTRTHI

PGM2OUTLTLOPGM2OUTLTHI

CALLINLOCALLINHI

CALLOUTLOCALLOUTHI

PGM1OUTRTLOPGM1OUTRTHI

PGM1OUTLTLOPGM1OUTLTHI

MIC1OUT MIC2OUT

CROUTLT CROUTRT

STOUTLT STOUTRT

MIC1INLOMIC1INHI

MIC2INLOMIC2INHI

EXTINLT EXTINRT

CUEACN

PGM2RTACN

PGM1RTACN

PGM2LTACN

PGM1LTACN

D+in

V-in

V+inD+in

CUEOUT

ONAIR_TALLY

PGM1LTVU

SWTLTVU

D+2VU

TALLY_LED

GND

GND

VCC

GND

VCC

VCC

GND

GND

VCC

GND

START

PG

EEXT

PGM-1

PGM-2

TB

PGM-1

CUE

PGM-2

CRPHONE

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AIR-3 / Nov 2011

B

C

A

D

5 4678

5 4678

R51

4.99K

VCC

74LS74

4

2

1

3

6

5

U9

Q__

____

___

QCK

PR

CLR

D

74LS74

U17

10

12

13

11

8

9

Q__

____

___

QCK

PR

CLR

D

74LS74

U17

4

2

1

3

6

5

Q__

____

___

QCK

PR

CLR

D

74LS74

10

12

13

11

8

9

U9

Q__

____

___

QCK

PR

CLR

D

74LS00

U16 8

10

9

74LS00

U16 3

2

1

74LS00

U16

4

56

74LS00

U16 11

13

12

GND

VCC

R74

1.00K

R75 220

0.22uF

C54

GND

GND

AQW210S

U13

4

3 6

5R

B

74ACT08

U502

13

74ACT08

U50 8

9

10

74ACT08

U5056

4

74ACT08

U501311

12

GND

GND

GND

C68

0.1uF

VCC

GND

C67

0.1uF

VCC

GND

0.1uF

C46

VCC

GND

0.1uF

C134

VCC

GND

0.1uF

C138

VCC

GND

0.1uF

C139

VCC

GND

0.1uF

C137

VCC

GND

74LS74

U47

5

6

3

1

2

4

Q__

____

___

QCK

PR

CLR

air3 manualw_20120730

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