Samson MPL 1204 manual Appendix a Block Diagram

MIC(CH1-10)

BALANCED

-50dBU --- +4dBU

LINE (CH1-10) -30dBU

INSERT (CH1-10) +4dBU

MIC(CH11-12)

BALANCED

-50dBU --- +4dBU

LINE (CH11-12 -30dBU

INSERT (CH11-12) +4dBU

29

AUX RETURN 1/2 +4dBU

H.A

H.A

H.A

TRIM

TRIM

BUS 1

BUS 2

BUS 3

BUS 4

AUX 1

AUX 2

PFL L

PFL R

AFL L

AFL R

SOLO

PHANTOM

BUS 1

SUM

BUS 2

3 BAND EQ

LEVEL

PAN

SUM

+

BUS 3

SUM

BUS 4

SUM

LOW

MID

HIGH

AUX 2

AUX 1

AFL L

AFL R

PFL L

B+

PFL R

SOLO ON/OFF

BUS 1

BUS 2

3 BAND EQ

LEVEL

PAN

+

BUS 3

BUS 4

LOW

MID

HIGH

AUX 2

MUTE

MUTE

AUX 1

AFL L

AFL R

PFL L

B+

PFL R

PFL

LED

SOLO ON/OFF

BUS 1

FADER

FADER

FADER

FADER

+5

AFLPOWER

LEDLED

INSERT I/O BUS 1 +4dBU

INSERT I/O BUS 2 +4dBU

INSERT I/O BUS 3 +4dBU

INSERT I/O BUS 4 +4dBU

OUT BUS 1 +4dBU

OUT BUS 2 +4dBU

OUT BUS 3 +4dBU

OUT BUS 4 +4dBU

HEADPHONE OUT

AUX SEND 1 +4dBU

MAIN OUT L +4dBU

BALANCE

MAIN OUT R +4dBU

CONTROL ROOM OUT L +4dBU

BALANCE

CONTROL ROOM OUT R +4dBU

10 DOT LED METER L

10 DOT LED METER R

AUX RETURN 3/4 +4dBU

AUX RETURN 1/2

H.A

H.A

AUX RETURN 3/4

H.A

	BUS 3
BALANCE	MUTE 1,2 / 3,4
	BUS 2
	BUS 4
	BUS 1
	BUS 3
BALANCE	MUTE 1,2 / 3,4
	BUS 2	PHANTOM
		LED
	BUS 4

+48V

+5V

PHANTOM POWER

AUX SEND 2 +4dBU

LED

PRE AMP

VOLTAGE

SELECTOR

POWER TRANSFORMER

POWER

SWITCH

AC INPUT

110V/230V,80Hz/50Hz

Appendix A: Block Diagram