Crown MPX-6 Bus Output Main Output, Input, IQ Mixer / Multiplexer Hardware Installation

IQ Mixer / Multiplexer Hardware Installation

SUMMING SUMMING MIX BUS 1 MIX BUS 2

	M/L/P SWITCH
	P = +25dB/+44VDC	VCA
INPUT 1	M = +25dB
	L = 0 dB	1-1
	*INPUT
	SENSOR	FROM
	PRE-AMP
		CPU
BALANCED	TO	VCA
BUCHANAN	CPU	1-2
CONNECTOR
	GAIN POT
	(-12 to +21dB)	FROM
	M/L/P SWITCH	CPU
	P = +25dB/+44VDC	VCA
INPUT 2	M = +25dB
	L = 0 dB	2-1
	*INPUT
	SENSOR	FROM
	PRE-AMP
		CPU
BALANCED	TO	VCA
BUCHANAN	CPU	2-2
CONNECTOR
	GAIN POT
	(-12 to +21dB)	FROM

ACTIVE BALANCE OUTPUT AMP

FROM

CPU

ACTIVE BALANCE OUTPUT AMP

MAIN 1

OUTPUT

	BALANCED
	BUCHANAN
	CONNECTOR
BUS 1	BALANCED
RELAY
	BUCHANAN
	CONNECTOR

BUS 1

OUTPUT

MAIN 2

OUTPUT

	M/L/P SWITCH			CPU
	P = +25dB/+44VDC			VCA
INPUT 3	M = +25dB
	L = 0 dB			3-1
		*INPUT
		SENSOR		FROM
	PRE-AMP			CPU
			TO	VCA
BALANCED
BUCHANAN		CPU		3-2
CONNECTOR
	GAIN POT
	(-12 to +21dB)			FROM
	M/L/P SWITCH			CPU
	P = +25dB/+44VDC			VCA
INPUT 4	M = +25dB
	L = 0 dB			4-1

ACTIVE BALANCE OUTPUT AMP

FROM

CPU

ACTIVE BALANCE OUTPUT AMP

	BALANCED
	BUCHANAN
	CONNECTOR
BUS 1	BALANCED
RELAY	BUCHANAN
	CONNECTOR

BUS 2

OUTPUT

	*INPUT
	SENSOR	FROM
PRE-AMP
		CPU
BALANCED	TO	VCA
BUCHANAN	CPU	4-2
CONNECTOR
	GAIN POT
	(-12 to +21dB)	FROM
	M/L/P SWITCH	CPU
	P = +25dB/+44VDC	VCA
INPUT 5	M = +25dB
	L = 0 dB	5-1
	*INPUT
	SENSOR	FROM
PRE-AMP
		CPU
BALANCED	TO	VCA
BUCHANAN	CPU	5-2
CONNECTOR
	GAIN POT
	(-12 to +21dB)	FROM
	M/L/P SWITCH	CPU
	P = +25dB/+44VDC	VCA
**INPUT 6	M = +25dB
	L = 0 dB	6-1
	*INPUT
	SENSOR	FROM
PRE-AMP
		CPU
BALANCED	TO	VCA
BUCHANAN	CPU	6-2
CONNECTOR
	GAIN POT
	(-12 to +21dB)	FROM
STACK INPUT 1
		CPU
STACK INPUT 2

	*OUTPUT
*Sensors not present on MPX-6	SENSOR
		TO
**Ambient sensing input on AMB-5
	CPU

*FROM

OUTPUT

SENSORS

TO TO BUS

*FROMVCAs RELAYS INPUT

SENSORS

RS232/RS422 or

Crown Local Net

CPU
(MICRO-	DB25

PROCESSOR)

CROWN BUS

			4-PIN
		BUCHANAN
						COMMUNICATION
							STANDARD
							BAUD RATE
	1	2	3	4	5	6	& PARITY
							IQ ADDRESS
1	2	3	4	5	6	7	8
						3-PIN
						MINI XLR
							AUX PORT

			DSPI
	*OUTPUT
	SENSOR
	MEMORY	POWER	ENABLE
TO	BATTERY
CPU	BACKUP	SUPPLY

Fig. 6.1 General IQ Mixer Block Diagram

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