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2
Installation
The Rear Panel
CAUTION: Never make or break any connections to the MC-1 with the rear-panel power ON.
Make sure any associated amplifiers are turned off before turning this master power switch
on or off.
1 AUDIO INPUTS
8 stereo analog audio inputs
switched with corresponding
video inputs and fed to the
Monitor outputs. Inputs are
nominally labeled as origi-
nating from an audio tape
player, tuner, CD player, an
unspecified auxiliary source,
a TV tuner, a Laser or Video
Disc player, a DVD player,
and a VCR.
2 ZONE2 and RECORD
3 pairs of stereo audio out-
puts and 2 video outputs sup-
ply the same signal accord-
ing to the Record/Zone 2 in-
put selection. Zone 2 output
levels can be controlled in-
dependently for use with
amplifiers and speakers in
another room. These out-
puts are muted in Standby.
3 MAIN OUTPUTS
3 stereo amplifier outputs
provided for front, side and
rear speakers. Single out-
puts are provided for the cen-
ter speaker and the
subwoofer. These outputs
are muted in Standby.
4 IR Input, PWR and
PGM TRIGGERS
The IR input is an 1/8" mono
connector for input of IR data
from any industry-standard
IR source. Data is retransmit-
ted by an IR LED mounted
near the front panel IR re-
ceiver.
2 trigger outputs are pro-
vided on 4-pin removable
screw terminals, and a 5-pin
DIN connector, as shown in
the expanded illustration
above. The PWR trigger is
high when the MC-1 is on,
low in standby or when the
unit is off. The PGM trigger
can be enabled (high) or dis-
abled (low) for specific input
selections in the Input Con-
figuration menu. High is indi-
cated by either +12VDC or
+5VDC, selectable via an in-
ternal jumper. (Factory con-
figuration is +12V.)
5 VIDEO INPUTS and
OUTPUTS
8 video input sources se-
lected based on selections
made in the INPUT CONFIG
menu and fed to the selected
monitor output jack. Record
output jacks can be selected
independently.
RCA (composite) and
S-video connectors are pro-
vided for monitor and record.
If an S-video input is used,
both S-video and composite
are available at each output.
If the video input is compos-
ite, only composite is avail-
able at each output. The
monitor output incorporates
the on-screen video overlay.
Unless RECORD is en-
abled, the record output fol-
lows the monitor output se-
lection without the on-screen
display feature. All three out-
puts are blanked in Standby.
6 S/PDIF INPUTS
5 coaxial RCA connectors
and 3 optical connectors for
digital audio input.
7 S/PDIF OUTPUT
Coaxial digital audio output
for digital-to-digital audio re-
cording. Any digital audio
output (coaxial or optical)
selected for Record or Zone
2 will also be sent directly to
this output.
8 EXPANSION PORTS
3 coaxial digital audio inputs
capable of accepting stereo
PCM signals up to 24-bit/
96kHz. Note: These inputs
completely bypass the digital
signal processing path, in-
cluding the crossovers and
effects, passing the audio
signal directly to the following
channels: A to the L and R
Front channels, B to the Cen-
ter and Subwoofer channels
and C to the L and R Sur-
round channels.
9 RS 232
Reserved for future control
and communication options.
10 RS 232
Serial port connector for au-
tomation and control sys-
tems.
11 Power On/Off
Master power switch discon-
nects the AC Mains. This
switch is intended to be left
On during regular use.
Whenever cables are con-
nected or disconnected, or
when the unit is not going to
be used for an extended pe-
riod of time, this switch
should be set to Off.
12 POWER
AC power connector: 3-wire,
10 Amp, IEC 320.
AUDIO
EXPANSION PORTS
L
R
L
R
ABC
L
R
L
R
L
R
SUBWOOFER
TAPE TUNER CD AUX TV V-DISC DVD VCR
AUDIO
INPUT
TRIGGERS
GND
S
PGMPWR
IR IN
TRIGGERS
PGM GND PWR
R
C
R
LISTED AUDIO
EQUIPMENT
7D77
E172268
MAIN OUTPUTS
REAR
ZONE 2 RECORD 1 RECORD 2
SIDE CENTER FRONT
12
3
S/PDIF INTPUTS
1
3
2
45
S/PDIF OUT
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISQUE DE CHOC
ELECTRIQUE
NE PAS OUVRIR
CAUTION
ATTENTION
RS 232
100-240V 50-60 Hz, 35W
MC-1
LEXICON, INC.
ASSEMBLED IN U.S.A.
OUTPUT
MONITOR
S-VIDEO VIDEO
1 32 4
12
5 6 7
8
1110
9
TRIGGERS
TRIGGERS
GND
PGMPWR
IR IN
PGM GND PWR
4