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MX122 Rear Panel Connections
1A
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com Part No. 04162500
GND terminals accept a ground
wire from a turntable
PHONO accepts signals from a
Moving Magnet Phono Cartridge
and high output Moving Coil
Cartridges
ANALOG AUDIO INputs,
Tuner and Inputs 1 thru 6
(unbalanced) accept high level
program source signals
RS232 connector
for connection to a
computer or other
control device
ANALOG AUDIO OUTputs
send two channel audio
signals for Zones 2 & 3
DATA OUT Port sends
data to compatible source
components to allow remote
control operation
Eight channel MULTICHANNEL
IN accept audio signals from a
component or external processor
Connect the MX122
power cord to a live
AC outlet. Refer to in-
formation on the back
panel to determine the
correct voltage
BALANCED OUTPUTS for the Main
Zone contain the program signals for all
channels going to the power amplifier(s)/
subwoofer(s). For additional information
refer to the MX122 Owner’s Manual and the
separate connection diagram sheets
XLR BALANCED INPUT
for two channel source
component
VIDEO inputs for four
components with Composite
Video Output Signal
COMPONENT VIDEO
Inputs 1 thru 3 receive
Component Video (Y,
P
R
and P
B
) Signals from
three Component Video
Sources
HDMI OUT ZONE 2
sends Digital Audio/
Video output signals
to a monitor/TV
located in Zone B
Connect the MX122
Calibrated Microphone
with the supplied cable
DIGITAL AUDIO INputs for
components with a Digital
COAXial Output sending a
digital audio signal
HDMI IN Digital Audio/Video In-
puts 1 thru 7 for components with
HDMI Outputs
Component Video outputs,
MONITOR OUT provides a
video signal for Main Zone and
ZONE 2 OUT provides video
signal for Zone 2
VIDEO MON OUTput (Main
Zone) and Zone 2 video output
send Composite Video Output
Signals to monitors located in
Main Zone and Zone B
NETWORK Connector
for connecting the MX122
to a Broadband Ethernet
Network
For connection of
USB devices
IR INput for
signals from
compatible IR
Room Sensor(s)
TRIGger (Power Control)
outputs 1 and 2 send a turn
On/Off signal to assignable
components
1
When there is a connection be-
tween the Main Zone HDMI output
and a TV/Monitor the Component
Video 1 and 2 Ouputs will not
show on-screen menus or opera-
tional status
DIGITAL AUDIO INputs
for components with a Digi-
tal OPTical Output sending
a digital audio signal
HDMI OUT MONITOR 1 ARC
1
sends Digital Audio/Video
Signals to a monitor/TV located
in Zone A with a digital audio
signal return from the TV
BLUETOOTH and Wi-Fi
ANTENNA for receiving
AirPlay, Bluetooth and
Wi-Fi signals
HDMI OUT MONITOR 2
sends Digital Audio/Video
Signals to a monitor/TV
located in Main Zone
BLUETOOTH and Wi-Fi
ANTENNA for receiving
AirPlay, Bluetooth and
Wi-Fi signals signals
UNBALANCED PREamplifier OUTputs for
the Main Zone contain the program signals for
all channels going to the power amplifier(s)/
subwoofer(s). For additional information refer
to the MX122 Owner’s Manual and the separate
connection diagram sheets
MX122 Front Panel Controls, Displays, Push-buttons and Sensor
1B
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
Allows navigation
and selection of
various Setup and
User functions
IR (Infra Red) Sensor
accepts IR signals
directly from the Re-
mote Control
Adjusts the Listening Vol-
ume Level for Main Zone,
Zone 2 or Zone 3
Access Setup Mode
for making operational
settings
Switches the Main
Zone On and Off
Press to display status
of the currently selected
Input that has re-assign-
able capabilities
Indicates the Input or Output Format of which
channels are active; FL (Front Left), C (Cen-
ter), FR (Front Right), SL (Surround Left),
LFE (Low Frequency Effects), SR (Surround
Right), SBL (Surround Back Left), S (Pro
Logic Surround) and SBR (Surround Back
Right)
Turns Zone 2
On and Off
Indicates when
the MX122 is in
Standby/On Mode
Information Display indicates Input Se-
lection Status, Volume, Surround Modes,
Menu Setup options and various other
functions
Indicates when the Main Zone Input Source
selected is being processed by Dolby Digital or
DTS Circuitry. Indicates when Main Zone Audio
is being processed by the Audyssey Circuitry.
Also indicates when the INPUT/OUTPUT FOR-
MAT indicators on the Front Panel are displaying
the Input or Output Audio Signal Channel Status
INPUT Control allows the
selection of various sources
for listening and viewing in
Main Zone and Zones 2 & 3
Return to the previ-
ous On-Screen
Menu Selection
Make changes to the
movie sound track default
audio processing mode
Allows Zone Selec-
tion for operation
of the Front Panel
Controls
Turns Zone 3
On and Off
Activates Sleep
Mode and selects
Sleep Time
Indicates when
Zone 3 is on
Indicates when
Zone 2 is on
Make changes to
the music sound
track default audio
processing mode
Make changes to
the video game
sound track default
audio processing
mode
Select from two
different bright-
ness settings or
switch off the Front
Panel Information
Display
Indicates when incoming Audio Signal is
Analog or Digital. Also indicates when
the incoming signal (Audio/Video) is
from a HDMI Input. The Multizone indi-
cator displays when Zone 2 and/or Zone
3 are/is active
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