CONN
E
CTING
THE
4270
The
4270
can be used as a stereo or 4-channel
Receiver. When using
the
4270
as a stereo unit,
the
POWER MODE Switch on
the
rear panel
should be placed in
the
70Wx2 mode.
The
instructions contained in this manual are to be
followed
for
both
stereo or 4-channel operation;
however, for stereo operation,
the
front
channels
alone will apply.
1. Using a balanced and shielded
300
Ohm cable,
connect
an FM
antenna
to
the
4270
as shown
in Figure 11.
2. Using No. 18,
or
heavier, lamp cord (zip cord),
connect
main speakers
to
the
4270
as follows:
LEFT
FRONT
SPEAKER
4270
- or
GND
or
NEG
or
COMM
or 0
to MAIN
SPEAKERS
FRONT
L-
+ or
HOT
or
POS
or 1
to MAIN
SPEAKERS
FRONT
L+
RIGHT
FRONT
SPEAKER
4270
- or
GND
or
NEG
or
COMM
or 0
to MAIN
SPEAKERS
FRONT
R-
+ or
HOT
or
POS
or 1
to MAIN
SPEAKERS
FRONT
R+
LEFT
REAR
SPEAKER
4270
- or
GND
or
NEG
or
COMM
or 0
to MAIN
SPEAKERS
REAR
L-
+ or
HOT
or
POS
or 1
to MAIN
PSEAKERS
REAR
L+
Figure
1.
Rear
Panel
Connection
Facilities
and
Adjustments
RIGHT
REAR
SPEAKER
4270
- or
GND
or
NEG
or
COMM
or 0
to MAIN
SPEAKERS
REAR
R-
+ or
HOT
or
POS
or 1
to MAIN
SPEAKERS
REAR
R+
CAUTION: When using
the
4270
in
the
70 W x 2
mode,
do
not
use 4 Ohm speakers -
use 8 Ohms or higher.
3. Using shielded
audio
cables with
phono
plugs,
connect
your
record player
to
the
4270
as
follows:
RECORD
PLAYER
4270
LEFT
OUTPUT
to
PHONO
L
RIGHT
OUTPUT
to
PHONO
R
4. If a discrete 4-channel playback device
(0-8
cartridge player, 4-channel reel-to-reel player,
CD-4 discrete disc demodulator, etc.), is to be
engaged in
the
system, make connections be-
tween
the
device and
the
4270
using shielded
audio
cables with
phono
plugs.
DISCRETE
4·CHANNEL
4270
PLAYBACK
DEVICE
LEFT-FRONT
or LF or
CHANNEL
1 or
TRACK
1
to
FRONT
CD·4/AUX
L
LEFT
·REAR
or
LR
or
CHANNEL
2 or
TRACK
2 to
REAR
CD-4/AUX
L
RIGHT-FRONT
or
RF
or
CHANNEL
3 or
TRACK
3
to
FRONT
CD
·4/AUX R
RIGHT-REAR
or
RR
or
CHANNEL
4 or
TRACK
4
to
REAR
CD-4/AUX
R
2
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