Crown MPX-6TM manual MPX-6 Basic Block Diagram Page 2

@crown® * System® Product Reference

SUMMING SUMMING

MIX BUS 1 MIX BUS 2

	M/L/P SWITCH
	P = +25dB/+44VDC
INPUT 1	M = +25dB	VCA
	L = 0 dB	1-1

MAIN 1

OUTPUT

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

ACTIVE BALANCE OUTPUT AMP

FROM

CPU

ACTIVE BALANCE OUTPUT AMP

ACTIVE BALANCE OUTPUT AMP

FROM

CPU

ACTIVE BALANCE OUTPUT AMP

	BALANCED
	BUCHANAN
	CONNECTOR
BUS 1	BALANCED
RELAY
	BUCHANAN
	CONNECTOR

BUS 1

OUTPUT

MAIN 2

OUTPUT

	BALANCED
	BUCHANAN
	CONNECTOR
BUS 1	BALANCED
RELAY	BUCHANAN
	CONNECTOR

BUS 2

OUTPUT

	PRE-AMP	CPU
BALANCED		VCA
BUCHANAN

TO TO BUS VCAs RELAYS

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

CPU

(MICRO-

PROCESSOR)

RS232/RS422

DB25

CROWN BUS

4-PIN

BUCHANAN

COMMUNICATION

STANDARD

INPUT 6		6-1
	PRE-AMP	FROM
		CPU
BALANCED		VCA
BUCHANAN		6-2
CONNECTOR
	GAIN POT
	(-12 to +21dB)	FROM

								BAUD RATE
									& PARITY
	1	2	3	4	5	6
									IQ ADDRESS
1	2	3	4	5	6	7	8

CPU

STACK INPUT 1

STACK INPUT 2

MEMORY BATTERY BACKUP

POWER SUPPLY

3-PIN

MINI XLR

AUX PORT

DSPI

ENABLE

MPX-6 Basic Block Diagram (Page 2 of 3)