8 Factory Service ............................................................................ 32; 6 IQ Audio In Depth ......................................................................... 23; 7 IQ Address Tables ........................................................................ 30- Page 7

Page 7

IQ–AMB-5 / IQ–SMX-6

 Reference Manual

AMB-5 / SMX-6

  IQ Mixer/Multiplexer

5.3

Auxiliary Port ......................................................................... 20

6 IQ Audio In Depth ......................................................................... 23

6.1 A Closer Look at Audio Signal Wiring ........................................ 23

6.1.1 Input ............................................................................... 23
6.1.2 IQ–AMB-5 Ambient Sensing Input ................................... 24
6.1.3 Ouput ............................................................................. 24
6.1.4 Stack Inputs .................................................................... 25
6.1.5 Paralleling Inputs ............................................................ 26

6.2

Using the AUX Port ............................................................... 27

6.3

The Mixer/Multiplexer as IQ Interface .................................... 28

6.4

Crown Local Net ................................................................... 28
6.4.1 Wiring the Crown Local Net ........................................ 28

6.5

A Closer Look at Crown Bus Wiring ....................................... 29

7 IQ Address Tables ........................................................................ 30

8 Factory Service ............................................................................ 32

Illustrations

Figure 1.1

The IQ–AMB-5 and IQ–SMX-6 ........................................................ 8

Figure 2.1

IQ Mixer / Multiplexer Controls, Connectors & Indicators ................ 9

Figure 3.1

IQ System with Host Computer and Two Mixer/Multiplexers ......... 10

Figure 3.2

RS232 Cable Wiring ..................................................................... 11

Figure 3.3

Selecting IQ Address and Communication Parameters ................ 12

Figure 3.4

Four-Terminal Removable Barrier Block Plug ................................ 13

Figure 3.5

Crown Bus Wiring for Removable Barrier Blocks .......................... 13

Figure 3.6

Crown Bus Wiring for 5-pin DIN Input ........................................... 13

Figure 3.7

Crown Bus Wiring for RJ-45 Input ................................................ 13

Figure 3.8

Crown Bus Wiring for 4-pin DIN Output ........................................ 13

Figure 3.9

Crown Bus Wiring for RJ-45 Output .............................................. 13

Figure 3.10 Crown Bus Wiring “Loop” from Output to Input ............................. 14
Figure 5.1

IQ–AMB-5 Block Diagram ............................................................ 21

Figure 5.2

IQ–SMX-6 Block Diagram ............................................................ 22

Figure 6.1

An Audio Input Section ................................................................ 23

Figure 6.2

Suggested Audio Input Gain Control Settings .............................. 23

Figure 6.3

Balanced Audio Input Wiring ........................................................ 23

Figure 6.4

Unbalanced Audio Input Wiring ................................................... 24

Figure 6.5

Sensing Input Section .................................................................. 24

Figure 6.6

Audio Output Section ................................................................... 25

Figure 6.7

Balanced Audio Output Connections ........................................... 25

Figure 6.8

Unbalanced Audio Output Connections ....................................... 25

Figure 6.9

A 12x2 Mixer Using 2 Mixer/Multiplexers ...................................... 25

Figure 6.10 Stacking the Outputs of Multiple Units .......................................... 26
Figure 6.11 A 6x8 Mixer Using 4 Mixer/Multiplexers ........................................ 26
Figure 6.12 Paralleling the Inputs of Multiple Units .......................................... 26
Figure 6.13 A 12x8 Mixer Using 8 Mixer/Multiplexers ...................................... 26
Figure 6.14 Sample Auxiliary System Wiring ................................................... 27
Figure 6.15 Internal Auxiliary Circuit ................................................................ 27
Figure 6.16 A Crown Local Net RS232 Serial Loop ......................................... 28
Figure 6.17 Crown Local Net Wiring ............................................................... 28
Figure 7.1

IQ Address Switch Settings from 0 to 125 ..................................... 30

Figure 7.2

IQ Address Switch Settings from 126 to 250 ................................. 31