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RS-232C
The RS-232C port is to be used in conjunction with
an external controller to control the operation of
the SR7400 by using an external device.
The RS-232C port may also be used in the future
to update the operating software of the SR7400 so
that it will be able to support new digital audio
formats and the like as they are introduced.
u
Preamp Outputs (L, R, SL, SR, SBL,
SBR, C)
Jacks for L(front left), R (front right), C (Center), SL
(surround left), SR (surround right), SBL (surround
back left) and SBR (surround back right).
Use these jacks for connection to external power
amplifiers.
i
AC INLET
Plug the supplied power cord into this AC INLET
and then into the power outlet on the wall.
SR7400 has to be powered by 120 V AC only.
o
AC OUTLETS
Connect the AC power cables of components such as
a DVD and CD player to these outlets. SWITCHED
and UNSWITCHED outlets are provided.
The one marked SWITCHED provides power only
when the SR7400 is turned on and is useful for
components which you use every time you play
your system.
The one marked UNSWITCHED is always live as
long as the SR7400 is plugged into a live outlet.
A component connected here may be left on
permanently, or may be switched off with via its own
power switch.
Caution:
•
In order to avoid potential turn-off thumps, anything
plugged into these outlets should be powered up
before the SR7400 is turned on.
•
The capacity of this AC outlet is 120W. Do not
connect devices that consume electricity more than
the capacity of these AC outlets. If the total power
consumption of the connected devices exceeds the
capacity, the protection circuit shuts down the
power supply.
!0
Speaker outputs terminals
Seven terminals are provided for the front (A) left,
front (A) right, front (B) left, front (B) right, front
center, surround left and surround right speakers.
!1
Speaker outputs terminals (for multi
room or surround back)
Two terminals are provided for the front the left,
and right speakers for multi room (2
nd
zone) or
surround back.
!2
Subwoofer Output
Connect this jack to the line level input of a powered
subwoofer. If an external subwoofer amplifier is used,
connect this jack to the subwoofer amplifier input. If
you are using two subwoofers, either powered or with
a 2 channel subwoofer amplifier, connect a “Y”
connector to the subwoofer output jack and run one
cable from it to each subwoofer amplifier.
!3
7.1 CHANNEL or AUX2 INPUT
By connecting a DVD Audio player, SACD
multichannel player, or other components that has
a multichannel port, you can playback the audio
with 5.1 channel or 7.1 channel outputs.
!4
DC TRIGGER output terminal
Connect a device that needs to be triggered by DC
under certain conditions (screen, power strip,
etc…)
Use the system OSD setup menu to determine the
conditions by which these jack will be active.
Note:
• This output voltage is for (status) control only, It
is not sufficient for drive capability.
!5
Multiroom Outputs (Audio L&R, Video)
These are the audio and video output jacks for the
Multi zone (Multi room).
Connect these jacks to optional audio power
amplifiers or video display devices to listen and
view the source selected by the multiroom system
in a remote room.
!6
MULTI ROOM REMOTE IN/OUT terminals
IN: Connect to a multi-room remote control
device, available from your Marantz dealer.
OUT: Connect to the Marantz component
equipped with remote control (RC-5)
terminals in Multi zone (Multi room).
!7
REMOTE CONT. IN/OUT terminals
Connect to a Marantz component equipped with
remote control (RC-5) terminals.
REAR PANEL
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COMPONENT VIDEO INPUT/OUTPUT
If your DVD player or other device has component
video connectors, be sure to connect them to these
component video connectors on the SR7400. The
SR7400 has two component video input
connectors to obtain the color information (Y, C
B
,
C
R
) directly from the recorded DVD signal or other
video component and one component video output
connector to output it directly into the matrix
decoder of the display device.
By sending the pure DVD component video signal
directly, the DVD signal forgoes the extra
processing that normally would degrade the
image. The result is vastly increased image
quality, with incredibly life like colors and crisp
detail.
r
FLASHER IN (Flasher input terminal)
This terminal is to control the unit from each zone.
Connect the control signal from a Keypad, etc.
t
MONITOR OUT
This is a monitor output and each one includes
both composite video and S-video configurations.
When connecting two video monitors or televisions,
be aware that the OSD interface can be used with
both MONITOR OUT connections.
q
VIDEO IN/OUT (TV, DVD, VCR1, DSS/VCR2)
These are the video inputs and outputs. There are
4 video inputs and 2 video outputs and each one
includes both composite video and S-video
configurations. Connect VCRs, DVD players, and
other video components to the video inputs.
S-video sources can be viewed through the S-
video outputs, and composite sources can only be
viewed through the composite output.
The 2 video output channels can be used to be
connected to video tape recorders for making
recordings.
w
FM antenna terminal (75 ohms)
Connect an external FM antenna with a coaxial
cable, or a cable network FM source.
AM antenna and ground terminals
Connect the supplied AM loop antenna. Use the
terminals marked “AM” and “GND”. The supplied
AM loop antenna will provide good AM reception in
most areas. Position the loop antenna until you
hear the best reception.
AUDIO (AUX2)
COMPONENT VIDEO
DIGITAL OUT
DIGITAL IN
OPT. COAX.
ANTENNA
AC IN
AC OUTLETS
120V 60H
Z
SWITCHED
1A 120W MAX
UNSWITCHED
1A 120W MAX
FRONT A
SURROUND BACK /
MULTI SPEAKER
FRONT B CENTER SURROUND
SPEAKER SYSTEMS
FRONT A OR B, CENTER, SURROUND, SURR. BACK :
MINIMUM 6 OHMS
FRONT A AND B : MINIMUM 8 OHMS
L
L
R
R
LRLR
654123
7.1CH
IN
IN OUT
TAPE CDR/MD MULTI
OUT OUT
OUT
DC OUT
SWOUTIN
CD C
SBR
SLL
INOUTIN
R
TV DVD DSS/VCR2
RSR
L
VCR1
IN
RC-5
MULTI
RC IN
SRR
L SL SBL
SBR
C
SW
DVDTV
MONITOR
VIDEO
VCR1
OUT
MULTI
OUTOUTIN
DSS/VCR2
OUTIN
VCR1 DSS/VCR2
DVD IN OUT
S-VIDEO
TV OUTIN
C
B
/
P
B
C
R
/
P
R
C
R
/
P
R
C
R
/
P
R
C
B
/
P
B
C
B
/
P
B
INPUT-1
YY
MONITOR OUTINPUT-2
Y
FM
(
75
Ω
)
GND AM
RS-232C
SBL
PRE
OUT
FLASHER
MONITOR
OUT
MODEL NO.SR7400
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03.10.13, 9:24 AMPage 6