1A
MX151 Rear Panel Connections
COMPONENT INPUTS
1 thru 5 receive Component Video (Y, PR and PB)
Signals from five Component Video Sources
ZA VIDEO Inputs 1 and 2
for components with Composite Video Output Signal
(Zone A only)
COMPONENT VIDEO OUTput
1 sends Component Video (Y, PR
and PB) Signals to the ZONE A or
B Video Monitor
COMPONENT OUTPUT 2
sends Component Video1 (Y, PR
and PB) Signals to the ZONE A
Video Monitor
ZA VIDEO OUTputs 1 and
2 sends Composite Video
Output Signal1 to a monitor/
TV located in Zone A
RS232 connector
for connection to a
computer or other
control device
For use by Dealer and
Service Personnel only
When there is a connection
between the ZA HDMI output
and a TV/Monitor the Component Video 2 Ouput, ZA
Video Outputs and ZA S-Video
Outputs will be muted
1
ZA S-VIDEO Inputs 1 and 2
for components with S-Video
Video Output Signal (Zone
A only)
Connect the
MX151 Calibrated Microphone with the
supplied cable
DIGITAL AUDIO INputs
1 thru 4 for components
with a Digital Coaxial
Output sending a digital
audio signal
HDMI DIGITAL AUDIO/
VIDEO INputs 1 thru
5 for components with
HDMI Outputs (Zone A
only)
ZA HDMI OUTput
sends Digital Audio/
Video Signals to a
monitor/TV located
in Zone A
NET Network
Connector for
connecting
the MX151 to
a Broadband
Ethernet
Network
ZA S-VIDEO OUTputs 1
and 2 send S-Video Output
Signal1 to a monitor/TV
located in Zone A
For use by Dealer and Service Personnel only. COMPACT FLASH Memory
Card for MX151 Firmware
DO NOT REMOVE.
The eight channel
MULTICHANNEL IN
accept audio signals
from a component or
external processor
ZONE A OUTPUTS
(balanced and unbalanced) contain the
program signals for all
eight channels going to
the power amplifier(s)/
subwoofer(s)
STEREO AUDIO INputs 1
thru 8 (unbalanced) accept
high level program source
signals
BALANCED AUDIO INputs 1 and 2 for two channel component sources
Connect the MX151
power cord to a live
AC outlet. Refer to information on the back
panel to determine the
correct voltage
For use by Dealer and
Service Personal only
AES 5 Digital Audio Input
(balanced) receives digital
audio signals from components such as a CD Transport
PHONO accepts signals
from a Moving Magnet
Phono Cartridge and
high output Moving
Coil Cartridges
GND terminals
accept a ground
wire from a
turntable
DIGITAL AUDIO
INputs 6 thru 9 for
components with
a Digital Optical
Output sending a
digital audio signal
ZA and ZB INput for signals
from a compatible IR Room
Sensor
ZONE A and B SENSORS
permit the connection of
a McIntosh IR Sensor for
remote operation
AUX1 thru AUX4 are
Low Pass Filtered Outputs
(balanced and unbalanced)
from the Front Left and
Right Channels (when
configured in Setup)
ZONE B OUTputs
send a two channel
signal from the analog inputs as selected
by the INPUT Selector (Zone B Active)
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com Part No. 04133800
SUM A and SUM B
Data Output Ports send
signals to compatible
source components to
allow remote control
operation
DATA OUTPUTS ports
send signals to McIntosh Source Components to allow control
with the MX151 Remote
Control
PC OUT ZA and ZB
(Power Control Zone A
and B) send a turn On/
Off signal to components for each Zone
TRIGGER IN allows
for remote control of
some MX151 Operating
Functions from another
component
TRIGGER OUT 1 thru
4 send a turn On/Off
signal to assignable
components
1B
MX151 Front Panel Controls, Displays, Push-buttons and Sensor
INPUT Control allows the selection
of various sources for listening and
viewing in Zone A and Zone B
Selects the parameter
for making audio and
front panel display
adjustments
Information Display indicates Input
Selection Status, Volume, Trim Adjustments, Surround Modes and various other
functions
Indicates the Format of the Incoming Signal
and which channels are active; L (Left Front),
C (Center), R (Right Front), LS (Left Surround), LFE (Low Frequency Effects), RS
(Right Surround), LBS (Left Back Surround)
S (Pro Logic Surround) and RBS (Right Back
Surround)
Indicates the Listen Output Format and
which channels are active; L (Left Front),
C (Center), R (Right Front), LS (Left
Surround), SUB (Subwoofer), RS (Right
Surround), LBS (Left Back Surround),
BS (Back Surround) and RBS (Right
Back Surround)
Indicates when the Zone
A Input source selected is
an Analog, Digital or HD
Digital Audio Signal. Also
indicates when Room Perfect
is active
Adjusts the Listening Volume Level for both Zone A
and Zone B
Selects the desired audio
operating mode for Zone A
Indicates when
Zone B Front Panel
Control is active
Indicates when
the MX151 is in
Standby/On Mode
Indicates when the
Late Night function
is activated
IR (Infra Red) Sensor
accepts IR signals
directly from the Remote Control
Activates the On-Screen Display overlay
sent to the TV/Monitor indicating the various MX151 information. Also indicates
various MX151 information on the Front
Panel Information Display
Activates the volume
compression circuit,
supported by selected
Dolby Digital sound
tracks
Allows up or down
adjustment for various Setup and Trim
functions
Press to go into Setup
Mode for changing
operational settings
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
Used to select the
highlighted Menu
Option and to activate the User Menu
Step backward to the
previous Menu Option
Page and out of the
Trim Select Mode
Activates control of
Zone B for Input Selection and Volume
Adjustment
Used to move Left or Right
through Menu Options.
Also used in the Trim Mode
to select the various Functions
Switches On and Off
Zones A or B, or resets all
the MX151 microprocessors