Technics SA-5570 User manual
Technics
FM/AM
STEREO
RECEIVER
SA-5570
OPERATING
INSTRUCTIONS
Before
operating
this
unit,
please
read
these
instructions
completely.
Ghar
Shree
Kon
We
want
to
thank
you
for
selecting
this
product
and
to
welcome
you
to
the
grow-
ing
family
of
satisfied
Technics
product
owners
around
the
world.
We
feel
certain
you
will
get
maximum
enjoyment
from
this
new
addition
to
your
home.
Please
read
these
operating
instructions
carefully,
and
be
sure
to
keep
them
handy
for
convenient
reference.
CONTENTS
HELPFUL
HINTS
FOR
AUSTRALIA
STAR
FEATURES
...sccssercssessessseseeseesees
CONNECTION
WIRING
FOR
A
STEREO
SYSTEM
CONTROLS
AND
THEIR
FUNCTIONS
..
CONNECTIONS
AND
OPERATION
...
VOLTAGE
ADJUSTMENT..........00sseeeceeeee
SPEAKER
CONNECTIONS
AND
OPERATION
...
6
CONNECTION
AND
USE
OF
AN
FM
ANTENNA
CONNECTION
AND
USE
OF
AN
AM
ANTENNA
RECORD
PLAYER
CONNECTIONS
AND
OPERATION
CONNECTIONS
TO
THE
AUXILIARY
INPUT
TERMINALS
AND
OPERATION
.......
TAPE
DECK
CONNECTIONS,
RECORDING
AND
PLAYBACK
CONNECTION
AND
USE
OF
HEADPHONES
DECODER
CONNECTION
TERMINAL
(4CH
MPX
OUT)
-
GROUND
TERMINA\
OPERATION
CAUTIONS
.......
TECHNICAL
SPECIFICATIONS
errr
seessenseserevensnenrene
7
1d
MATSUSHITA
ELECTRIC
Kadoma,
Osaka,
Japan
HELPFUL
HINTS
1,
Keep
this
unit
away
from
electrical
noise-generating
devices
such
as
motors
and
fluorescent
lamps.
2.
The
set
should
not
be
exposed
to
direct
sunlight,
and
should
be
kept
free
from
dust,
moisture
and
vibration.
3.
The
set
is
ventilated
through
vents
on
the
top
and
bot-
tom
of
the
cabinet.
Do
not
place
any
obiect
on
the
top,
or
place
the
set
on
a
soft
surface
which
might
block
the
ventilation
holes
and
result
in
too
much
internal
heat.
Place
the
receiver
in
a
position
away
from
any
heat
source.
4,
The
cabinet
of
your
set
should
be
given
the
same
care
which
you
would
give
any
piece
of
fine
furniture,
The
front
panel
should
be
cleaned
with
a
soft
cloth
moistened
with
a
mild
soap-and-water
solution.
NEVER
USE
A
SOLUTION
CONTAINING
BENZOL
OR
PETROLEUM.
FOR
AUSTRALIA
FOR
YOUR
SAFETY
To
ensure
safe
operation
the
three-pin
plug
supplied
must
be
inserted
only
into
a
standard
three-pin
power
point
which
is
effectively
earthed
through
the
normal
household
wiring.
Extension
cords
used
with
the
equipment
must
be
three-
core
and
be
correctly
wired
to
provide
connection
to
earth.
Wrongly
wired
extension
cords
are
a
major
cause
of
fatali-
ties.
The
fact
that
the
equipment
operates
satistactorily
does
not
imply
that
the
power
point
is
earthed
and
that
the
installa~
tion
is
completely
safe.
For
your
safety,
if
in
any
doubt
about
the
effective
earthing
of
the
power
point,
consult
a
qualified
electrician.
STAR
FEATURES
BB
A
highly-stabilized
main
amplifier
section
with
a
low
distortion
ratio
The
basic
circuitry
of
the
main
amplifier
section
of
this
unit
is
the
differential-amplification,
all-stage,
direct-coupled
OCL
type
of
circuitry.
“Dual-package”
transistors
are
used
in
the
differential-amplification
stage
of
the
first
stage,
and,
in
addition,
a
Zener
diode
is
used
for
stabilization
of
the
operation
of
the
common
emitter
power
source...thus
resulting
in
a
circuit
design
which
has
exceptionatly
high
direct-current
stability.
In
addition,
the
output
stage
uses
a
combination
of
PNP
and
NPN
transistors
to
form pure
complementary
circuitry,
and
the
high-harmonic
distortion
ratio
and
the
cross-modulated
wave
distortion
ratio
are
very
low,
thus
resulting
in
a
superb
high-frequency
characteristic.
With
regard
to
dynamic
characteristics
also,
great
care
was
taken
to
assure
extremely
faithful
amplification,
with
a
low
distortion
ratio,
of
even
the
most
complex
music
signals.
@
Equalizer
circuitry
with
high
signal-to-noise
ratio
The
equalizer
circuitry
of
this
unit
is
the
3-stage,
direct-
coupled
type,
using
low-noise,
highly
voitage-resistant
integrated
circuitry,
in
addition
to
low-impedance
negative-
feedback
circultry,
thus
resulting
in
a
sensitivity
of
2.6
mV
and
a
high
signal-to-noise
ratio
of
better
than
78
dB.
Moreover,
in
order
to
obtain
an
excellent
RIAA
reproduc-
tion
characteristic,
the
negative-feedback
element,
which
is
so
important
in
that
respect,
uses
highly
precise
com-
ponents
which
have
a
resistance
deviation
of
2.0%
or
less,
thus
resulting
in
a
highly
precise
RIAA
deviation
of
0.2
dB
or
less,
@
Tone
control
circuitry
with
low
distortion
ratio
and
smooth
variation
characterlstics
The
tone
control
circuitry
of
this
unit
uses
the
BAX-type,
negative-feedback
type
of
tone
control,
which
is
composed
of
2-stage,
direct-coupled
circuitry
in
which
low-noise
transistors
are
used.
The
result
is
smooth
variation
charac-
teristics,
and
exceptionally
iow
undulation
of
the
frequency
response
at
the
intermediate
volume
point.
ll
Highly
sensitive,
high-performance
FM
front-end
In
addition
to
a
dual-gate
MOS
FET
in
the
RF-amplification
stage,
and
high-irequency,
low-noise
transistors
in
the
mixer
stage—thus
resulting
In
a
highly
stabilized
RF
stage
with
@
high
signal-to-noise
ratio,
the
FM
front-end
is
as-
sured
of
high
performance
by
the
use
of
an
oscillation
coil
in
order
to
prevent
local
oscillation.
Furthermore,
the
adoption
of
a
newly
developed
frequency-
jinear-type
3-gang
variable
capacitor
makes
tuning
ac-
curacy
exceptionally
high.
In
addition,
the
use
of
delay
AGC
circultry
assures
good
reception,
with
a
low
distortion
ratio,
even
under
condl-
tions
of
strong
input
power.
I
Strong
emphasis
placed
on
circuitry
design
for
excellent
group-delay
characteristics
in
the
FM
IF
section
In
order
to
place
importance
upon
the
group-delay
charac-
teristics
when
designing
the
circuitry
of
the
FM
IF
section,
because
they
are
so
closely
related
to
distortion
and
sepa-
ration,
three
2-element,
group-delay,
flat-type
filters
are
used,
and,
in
addition,
in
order
to
obtain
excellent
ampli-
tude,
the
7-stage
IF-amplification
system
has
six
differential-
amplification
stages,
resulting
in
selectivity
of
better
than
70
dB
and
a
signal-to-noise
ratio
of
better
than
75
dB...with
a
sharp
increase
in
various
characteristics
during
both
stereo
and
monaurai
reproduction.
In
addition,
because
the
muting
circuitry
includes
both
wide
and
narrow
AND
circuitry,
the
“popping’’
noise
heard
when
a
broadcast
is
detuned
has
been
eliminated.
@
MPX
section
with
highly
stable
PLL
Use
of
the
PLL
system
assures
that
the
switching
signal
can
to
applied
at
higher
stability
and
for
longer
periods.
The
switching
circuitry
consists
of
high-density
integrated
circuitry
which
is
comprised
of
double
differential
switch-
ing
circuitry,
resulting
is
great
improvement
in
the
delay
characteristics,
the
stereo
distortion,
the
non-linear
cross-
talk,
and
the
separation.
CONNECTION
WIRING
FOR
A
STEREO
SYSTEM
FM
outdoor
antenna
Record
player
(magnetic
cartridge)
Tape
deck
2
Tape
deck
1
<@REC
OUT
s
<@4PLAYBACK
Figure
1
Voltage
adjust:
TOM:
90
KOT
Reso¥e
ScAewe
eon
4
es
:
wi]
Circuit
protection
fuses
{ni
a
ae
To
AC
outlet
"3002
BALANCED”
terminals
“AM
ANT"
termina!
“4
CH
MPX
OUT”
terminal
“AUX"
terminals
REMOTED>
Left
Right
Left
Right
Main
speakers
Remote
speakers
ag
CONTROLS
AND
THEIR
FUNCTIONS:
Power
pushbutton
(POWER)
Upon
pushing
this
button,
the
tuning
dial,
the
signal-
strength
meter
and
the
FM
center-tuning
meter
will
iilumi-
nate,
indicating
that
the
receiver
is
on.
To
turn
the
receiver
off,
push
the
button
again;
the
lights
of
the
tuning
dial,
signal-strength
meter
and
the
FM
center-
tuning
meter
will
go
off,
(Speaker
selection
pushbuttons
(SPEAKERS)
)
Pushbutton
speaker
selection
system.
The
speakers
are
selected
by
pushing
one
or
both
buttons,
and
are
turned
off
by
repushing.
Only
the
speaker
system
which
is
switched
on
operates.
It
fs
possible
to
operate
both
speaker
systems
by
pushing
both
buttons,
In
addition,
sound
reproduction
can
be
enjoyed
by
using
only
the
headphones,
even
when
both
speakers
systems
are
switched
off.
J
fara
Ane
aca
Se
Tone
controls
(BASS,
TREBLE)
These
controls
are
used
to
make
adjustments
of
the
tone
quality
which
may
become
necessary
as
a
result
of
speaker
characteristics
or
listening
room
characteristics,
making
it
possible
to
adjust
the
tonal
quality
to
that
most
agreeable
to
the
listener's
preference.
The
bass
controt
is
for
adjustment
of
the
tone
quality
of
the
low
sound
range,
and
the
treble
control
is
for
the
high
sound
range.
The
characteristics
can
be
changed
with-
in
a
range
of
+13
dB
to
—13
dB
for
the
bass
at
50
Hz,
and
within
a
range
of
+12
dB
to
—
12
dB
for
the
treble
at
10
kHz.
The
characteristics
are
‘flat’
at
the
“0”
position,
and
are
increased
by
turning
the
control
to
the
right
from
the
“0”
position,
or
decreased
by
turning
it
to
the
left.
(tow
filter
pushbutton
{LOW
FILT)
‘)
It
this
pushbutton
is
pressed
to
the‘
ON"
position,
bass
sound
which
is
lower
than
100
Hz
is
decreased
with
a
sharp
curve
characteristic
of
—6
dB/oct,
This
pushbutton
is
especially
useful
when
there
is
unwant-
ed
noise
in
the
low
range
bacause
of
record
warp,
motor
rumble,
poor
performance
by
the
cone
of
the
woofer,
etc.
High
filter
pushbutton
(HIGH
FILT)
=)
If
this
pushbutton
is.
pressed
to
the
“ON”
position,
treble
sound
which
is
higher
than
7
kHz
is
decreased
with
a
sharp
curve
characteristic
of
-6
dB/oct..
This
pushbutton
is
especially
useful
if
there
is
a
great
a-
mount
of
record
‘scratch’
noise,
tape
hiss,
or
if
the
tone
quality
is
unsatisfactory
because
there
is
much
distortion
in
the
treble
sound
of
the
program
source.
a
(Volume
controt
(VOLUME)
This
control
is
for
adjustment
of
the
volume
level.
Turning
the
control
clockwise
(maximum
position
is
‘10”)
increases
the
volume,
Always
set
the
valume
control
at
“0”
before
turning
on
the
unit.
4
Balance
control
(BALANCE)
The
left
and
right
volume
balance
is
influenced
by
the
dif-
ference,
if
any,
between
the
efficiency
of
the
left
and
right
speakers,
and
by
the
placement
of
the
furniture
in
the
listening
room.
in.
addition,
the
left
and
right
volume
of
some
program
sources
is
not
well
balanced.
if
the
controf
is
turned
further
to
the
left,
beyond
the
“0”
position,
the
right
sound
becomes
lower.
At
the
“LEFT”
position
(at
which
the
control
is
com-
ly
turned
to
the
left},
the
right
sound
cannot
be
heard
at
all,
and
only
the
left
sound
is
emitted.
If
the
control
is
turned
to
the
right,
the
left
sound
becomes
lower
and,
at
the
“RIGHT”
position
(at
which
it
is
completely
pletely
turned
to
the
right),
the
left
sound
cannot
be
heard
at
all,
and
only
the
right
sound
is
emitted.
In
order
to
adjust
the
balance
between
the
left
and
right
volumes,
push
the
mode
pushbutton
to
the
“MONO”
posi-
tion,
so
that
the
sound
is
heard
from
a
position
at
the
center
between
the
left
and
right
speakers.
After
the
balance
is
satisfactorily
adjusted,
push
the
mode
pushbutton
once
again
to
release
it
outward
to
the
“STEREO”
position.
FM
center-tuning
meter
(TUNING)
+)
For
FM
broadcasts,
tune
approximately
by
referring
to
the
sigrial-strength
meter.
Pinpoint
the
best,
least
distorted
position
with
the
FM
center-tuning
meter.
The,needle
of
the
meter
fs
in
the
center
if
no
broadcast
Is
beirig
received.
During
tuning,
the
needle
fluctuates
to
the
left
and
right.
When
the
station
is
locked
in,
the
needie
re-
turn$
to
the
center.
If
the
tuning
control
is
re-adjusted,
the
neetie
will
fluctuate
again
to
the
left
and
right,
and
when
the
broadrast
is
completely
detuned,
the
needle
returns
to
(the
center.
Signal-strength
meter
(SIGNAL)
Tune
the
receiver
to
the
approximate
frequency
of
the
desired
station.
Observing
the
signal-strength
meter,
tune
until
its
indicator
movgs
to
the
maximum
position,
which
indicates
the
posi-
tion
of
best
tuning.
Stereo
indicator
(FM
STEREO)
The
stereo
indicator
illuminates
in
orange
when
the
receiver
is
tuned
to
a
station
broadcasting
in
FM
multiplex
stereo,
If
thé
mode
pushbutton
is
pressed
to
the
“MONO”
position,
the
'stereo
indicator
will
not
Illuminate
even
though
the
\
broadcast
is
in
stereo,
=
Loudness
control
pushbutton
(LOUDNESS)
The
loudness
control
compensates
for
“thinning
out”
of
the
sound.
Human
ears
cannot
perceive
the
low-frequency
tange
at
low
volumes,
but
this
control
compensates
for
this,
boosting
the
bass
as
the
volume
decreases.
Note,
however,
that
if
the
volume
control
is
set
to
a
position
(higher
than
the
“5”
indication,
the
efficiency
becomes
less.
(Fm
muting-off
pushbutton
(FM
MUTING)
This
muting-off
pushbutton
should
be
kept
in
its
normal
position
(released,
muting-on
position)
to
eliminate
annoy-
ing
between-station
noise
or
extremely
weak
stations
on
the
FM
band.
Because
weak-signal
stations
aré
difficult
to
tune,
nearly
impossibie
to
listen
to
in
stereo,
and
will
not
possess
the
noise-free
reception
characteristics
of
strong-
signal
stations,
it
is
recommended
that
you
keep
the
mut-
ing-off
pushbutton
at
the
normal
(released)
position.
Should
you
wish
to
search
for
or
tisten
to
weak-signal
stations,
press
the
pushbutton
(muting
off}.
Xx
‘Mode
pushbutton
(MODE)
The'mode
pushbutton
is
used
to
select
the
playback
mode
of
the
program
source.
This
pushbutton
has
two
positions,
“STEREO”
(released)
endl
MOO"
(pressed).
STEREO
For
reproduction
in
stereo.
The
left
input
is
reproduced
from
the
left
speaker,
and
the
right
input
is
reproduced
from
the
right
speaker,
Mixed
inputs
of
both
left
and
right
are
reproduced
from
both
speakers
as
monaural
sound.
MPX
hi-blend
pushbutton
(FM
HI-BLEND)
This
pushbutton
is
effective
only
for
FM
stereo
reception.
This
button,
when
pressed,
blends
an
exact
measure
of
the
high
frequency
tones
of
the
left
and
right
audio
channels
to
eliminate
annoying
background
noise
and
hiss
from
very
{wear
stereo
stations.
J
(Tuning
control
(TUNING)
Turn
the
tuning
contro!
slowly
until
the
dial
indicator
indicates
the
desired
FM
or
AM
broadcast
frequency.
Always
tune
for
the
highest
possible
signal-strength
meter
reading,
which
indicates
the
optimum
receiving
position.
This
will
assure
ciear,
undistorted
reception,
minimum
interference
from
adjacent
stations,
and
maximum
left-
right
channel
separation
during
FM
stereo
broadcasts.
The
vaiue
of
the
signal-strength
meter
reading
will
depend
on
the
signal-strength
of
that
particular
station.
When
the
FM
center-tuning
meter
needle
is
at
the
center,
reception
is
optimum.
Turn
the
tuning
control
slowly
to
left
and
right
until
the
FM
center-tuning
meter
needle
points
to
the
center
position.
Le
se
D
Input
selector
(SELECTOR)
~)
For
selection
of
the
input
sound
source.
PHONO
For
record
player
operation,
FM
AUTO
Use
this
position
to
listen
to
radio
programs
on
the
FM
broadcast
band.
Many
of
the
broadcasts
on
this
band
may
be
stereophonic.
The
“FM
AUTO"
position
automatically
provides
stereo/mono
switching
for
stereo
or
monaural
broadcasting.
AM
Use
this
position
to
listen
to
radio
programs
on
the
AM
broadcast
band.
AUX
For
playback
of
the
sounds
from
equipment
con-
H
nected
to
the
auxiliary
input
terminals.
NOTE:
If
the
input
levels
of
each
program
source
are
not
matched
and
the
input
selector
is
inadvertently
switched,
a
large
sound
output
may
be
applied
to
the
speakers,
causing
damage
to
them,
To
avoid
this,
make
sure,
when
switching
inputs,
either
that
the
input
levels
are
matched,
or
that
the
volume
is
\
reduced
before
switching.
}
la
Tape
monitor
pushbuttons
(TAPE
MONITOR)
When
playing
back
from
a
tape
deck,
set
the
pushbutton
to
the
“TAPE
1”
(pressed)
or
“TAPE
2"
(pressed)
position.
When
playing
back
from
the
source
designated
by
the
input
selector,
set
it
to
the
“SOURCE”
(released)
position.
When
using
a
3-head
tape
deck,
the.
sound
which
has
just
been
recorded
can
be
monitored
by
setting
the
pushbutton
to
the
pressed
(“TAPE
1”
or
“TAPE
2")
position,
The
sound
just
prior
to
recording
can
be
monitored
by
setting
the
push-
button
to
the
“SOURCE”
(released)
position.
in
addition,
the
recording
condition
can
be
checked
during
recording
by
setting
the
pushbutton
alternately
to
the
“TAPE
1”
(“TAPE
2”)/"SOURCE”
position.
TAPE-1
pushbutton:
For
monitoring
tape
deck
1
sound.
TAPE-2
pushbutton:
For
monitoring
tape
deck
2
sound.
NOTE:
When
monitoring
with
the
tape-t
pushbutton,
be
sure
to
set
the
tape-2
pushbutton
to
the
“SOURCE”
position.
When
monitoring
with
the
tape-2
pushbutton,
be
sure
to
set the
tape-1
pushbutton
to
the
“SOURCE”
position.
Both
sources,
tape
deck
1
(“TAPE
1")
and
tape
deck
2
(“TAPE
2”),
cannot
be
played
back
simultaneously,
the
unit,being
designed
so
that
tape
deck
2
will
have
prior
—5-
CONNECTIONS
AND
OPERATION
Do
not
plug
the
recelver
into
a
power
outlet
until
all
other
conneclions
have
been
made.
Keep
the
power
pushbutton
to
the
“OFF”
(released)
position.
(OLTAGE
ADJUSTMENT
25%
Make
sure
that
the
voltage
adjustment
screw
indicates
the
correct
local
voltage.
CAUTION;
Be
sure
to
set
the
voltage
adjustment
screw
before
connecting
the
AC
power
cord.
igui
Voltage
adjuster
(110V/120V/220V/240V)
pe
(For
some
areas,
they
do
not
include
‘voltage
adjuster”
for
the
safety
standard
and
other
reasons.)
[SPEAKER
CONNECTIONS
AND
OPERATION
This
unithas
two
pairs
of
speaker
terminals,
marked
“MAIN”
and
"REMOTE,"
making
connection
of
two
speaker systems
possible.
Selection
of
the
speaker
system
to
be
used
is
made
by
pushing
one,
or
both,
of
the
speaker
selection
pushbuttons
on
the
front
panel,
thereby
activating
either
the
main
or
remote
speaker
system,
or
both
speaker
systems
at
the
same
time.
impedance
of
speakers
Use,
speakers
with
a
voice
coll
impedance
of
4~16n
with
.
this
unit.
if,
however,
the
main
and
the
remote
speaker systems
are
both
used
at
the
same
time,
speakers
of
4-ohm
impedance
cannot
be
used.
Use
speakers
with
an
impedance
of
&~16a.
Wl
Speaker
connection
wire
Use
medium
gauge
wire,
such
as
AC
power
cord,
for
speak-
er
connections
so
as
not
to
decrease
the
damping
factor.
Mf
Connections
For
perfect
connections,
foliow
the
procedure
shown
in
figure
1
and
figure
4,
Note
that
the
upper
terminals
are
for
the
left
channel,
and
the
lower
terminals
are
for
the
right
channel;
the
brown
terminals
are
Q)and
the
black
terminals
areQ.
Figure
4
1
———
2
nn
ey-9(20mm)
SD
Strip
off
about
3/4
inch
(20mm)
of
the
conne-
ction
cord
insulation
and
twist
the
strands
fogether.
3
4}
4
Tighten
the
screw
snugly
clockwise.
The
connection
is
then
finished.
Turn
the
screw
three
or
four
times
counterclockwise.
Form
the
strands
of
the
core
wire
into
a
hook
shape
and
connect
to
the
terminal.
IE
Speaker
placement
In
general,
it
is
advisable
to
place
the
speakers
on
a
hard
wall
surface.
Soft
surfaces
can
often
ruin
the
deep
tones
of
the
bass,
Also
avoid
placing
the
speakers
facing
a
solid
surface
because
an
echo
effect
may
result
and
distort
the
quality
of
the
reproduced
sound.
In
summary,
place
the
speakers
on
a
very
hard
surface,
and,
if
a
hard
surface
such
as
a
window
or
panels
faces
the
speakers,
cover
it
with
soft
material
such
as
curtains.
HH
Polarity
(@®
and@)
check
After
the
connections
of
the
speaker
systems
have
been
completed,
confirm
that
the
polarity
of
the
speaker
con-
nections
to
the
speaker
terminals
is
correct.
How
to
check
Press
the
mode
pushbutton
to
the
“MONO”
position.
If
the
polarity
is
correct,
the
sound
will
seem
to
be
heard
from
the
center,
between
the
left
and
right
speakers.
If
it
is
incorrect,
the
sounds
will
not
appear
to
gather
at
the
center,
but
will
seem
dispersed.
If
so,
confirm
that
the
connections
of
the
speakers
are
correctly
made.
In
order
to
correct
the
polarity,
if
it
is
incorrect,
reverse
the
polarity
connection
between
the
amplifier
and
either
the
right
or
the
left
speaker.
NOTE:
Be
extremely
careful
that
the
terminals
or
speaker
wires
do
not
“short”
each
other
out.
Never
use
the
minus
speaker
terminal
for
ground
connections.
To
assure
finest
reception
quality
of
FM
broadcasts,
it is
necessary
to
use
an
antenna
which
is
appropriate
to
the
reception
conditions
in
your
area.
Select
the
optimum
antenna
after
referring
to
the
information
given
below.
ll
A
place
near
the
broadcasting
station
where
signals
are
strong
(within
sight
of
the
broadcasting
station
transmission
antenna)
ff
this
unit
Ig
used
in
a
place
which
is
near
the
broadcast-
ing
station
and
the
signals
are
quite
powerful
enough,
or
in
a
place
such
as
the
outskirts
of
a
city
where
inter-
ference
noise
is
relatively
slight,
the
feeder
antenna
which
is
included
with
this
unit
may
be
used
to
obtain
a
ceriain
degree
of
reception,
although,
in
order
to
obtain
the
best
reception
of
which
this unit
is
capable,
it
is
recommended
that
a
special
outside
antenna
exclusively
for
reception
of
FM
broadcasts,
consisting
of
3
to
5
elements,
should
be
installed.
FM
outdoor
antenna
{3-element
antenna
for
strong
signals)
ll
Feeder
antenna
The
feeder
antenna
which
is
included
with
this unit
is
provided
so
that
you
can use
it
to
receive
FM
broadcasts
temporarily
until
a
special
antenna
exclusively
for
recep-
tion
of
FM
broadcasts
can
be
installed.
As
shown
in
the
illustration,
connect
this
feeder
antenna
to
the
connection
terminals
of
this
unit
marked
“'300a
BALANG-
ED"
and,
with
both
horizontal
ends
extended
as
shown,
rotate
the
feeder
antenna
to
the
left
and
right
and
up
and
down
while
listening
to
an
FM
broadcast
in
order
to
deter-
mine
the
position
of
best
reception.
When
this
position
has
been
determined,
instali
the
feeder
antenna
so
that
it
remains
in
that
position.
Figure
6;
Feeder
antenna
(included)
lll
A
place
far
from
the
broadcasting
station
where
signals
are
weak
and
reception
is
difficult
(such
as
near
mountains
or
similar
obstacles)
In
such
a
location
as
described
above,
an
FM’
antenna
consisting
of
5
elements
or
more
should
be
installed.
In
general,
the
more
elements
which
the
antenna
has,
the
better
will
be
its
directional
characteristics.
It
is
suggested,
therefore,
that
the
weaker
the
signal
reception
in
your
area,
the
more
elements
the
antenna
should
have
in
order
to
obtain
good
reception.
FM
outdoor
antenna
(6-element
antenna
for
weak
and
medium
signals)
i
Connection
between
the
antenna
and
the
receiver
The
connection
wire
which
is
used
between
the
antenna
and
the
antenna
input
terminals
of
the
receiver
is
usually
a
300-ohm
parallel
feeder
wire
or
a
75-ohm
coaxial
cable.
In
comparison
to
feeder
wire,
a
coaxial
cable
is
more
resistant
to
external
interference,
and
also
prevents
fluctuations
of
the
signal
level
which
might
be
caused
by
environmental
weather
conditions.
In
order
to
obtain
the
finest
performance
from
this
unit,
itis
recommended
that
coaxial
cable
be
used
rather
than
feeder
wire.
Use
coaxial
cable
of
the
type
SC-2V
or
3C-2V.
Connection
to
the
FM
antenna
terminals
of
this
unit
This
unit
includes
two
pairs
of
FM
antenna
input
terminals:
one
pair
of
the
300-ohm
type
and
one
pair
of
the
76-ohm
type.
For
this
reason,
connections
can
be
made
by
using
either
a
300-ohm
parallel
feeder
wire
or
a
75-ohm
coaxial
cable.
@
If
connections
are
made
to
the
“3000
BALANCED"
terminals
Connections
can
be
made,
as
shown
in
figure
8,
by
using
300-ohm
parallel
feeder
wire.
When
this
connection
is
made,
the
wire
between
this
unit
and
the
antenna
should
be
as
short
as
possible.
300-ohm
paraliet
feeder
wire
“3000
BALANCEO"
terminals
"4,
Strip
about
%"
(20mm)
off
[Figure
9
the
outer
covering
from
the
cable.
1
2
3
@
If
connections
are
made
to
the
“75.9”
terminals
These
connections
should
be
made
by
using
75-ohm
coaxial
cable
from
the
“752”
terminals
of
this
unit,
and
by
using
a
matching
transformer
between
the
antenna
and
this unit
in
order
to
match
the
impedance
of
the
antenna
to
that
of
this
unit.
A
300-ohm
parallel
feeder
wire
should
be
used
to
connect
the
matching
transformer
to
the
antenna,
and
the
75-ohm
coaxial
cable
should
be
used
to
connect
the
matching
transformer
to
the
receiver.
The
matching
transformer
should
be
installed
as
near
to
the
antenna
as
possible.
2,
Cut
away
all
except
about
%"
(10
mm)
of
the
shield
layer,
and
fold
the
remain-
der
of
the
shield
back
over
the
covering.
3,
Then
remove
all
of
the
In-
gulation
except
about
%"
(7
mm).
%
4.
After
loosening
the
screw
of
the
ground
terminal,
insert
the
end
of
the
cable
behind
the
clip,
then
se-
cure
it
by
tightening
the
screw.
5.
The
connection
is
comple-
ted
by
connecting
the
core
of
the
cable
to
the
terminal
located
just
below
the
clip.
FM
outdoor
ne
antenna
See
(20
mm)
on
1300-ohm
paraile!
_
feeder
wire
Matching
75-ohm
coaxial
cable
transformer
“75a”
terminals
Note,
however,
that
most
multi-element
FM
antennas
which
have
§
elements
or
more
include
a
built-in
matching
transformer
and,
therefore,
the
75-ohm
coaxial
cable
can
be
connected
directly
to
the
antenna.
@
Installation
of
an
antenna
exclusively
for
FM
broadcasts
The
location
of
the
exclusive
antenna
for
FM
broadcasts
is
a
very
important
factor
in
the
determination
of
tone
quality,
and
even
the
best
antenna
will
not
perform
satis-
factorily
if
it
is
installed
in
a
poor
location.
Carefully
consider,
therefore,
the
following
information
before
deciding
upon
the
location
of
the
antenna.
1.
it
should
be
located
in
a
place
which
is in
the
direct
path
of
the
FM
broadcast
signals,
and
not
where
the
signals
will
be
obstructed
by
buildings
or
other
obstacles.
2.
In
order
to
be
free
of
ignition
noise
interference
from
automobiles,
etc.,
it
should
be
located
as
high
above
the
ground
as
possible,
and
should
be
as
far
as
possible
from
neon
and
other
electric
signs.
8.
It
should
be
installed
6
feet
(2
m)
or
more
from
a
metat
roof,
a
concrete
building,
or
from
any
other
antennas,
such
as
for
television.
4,
FM
antennas
have
a
high
directiona!
characteristic.
In
other
words,
they
are
much
more
sensitive
to
FM
signals
from
one
certain
direction
more
than
any
other
direction.
The
antenna
should,
therefore,
be
located
so
as
to
face
in
the
direction
of
best
reception.
5.
It
is
usuaily
true
that
the
higher
the
antenna
the
better,
although,
depending
upon
the
place,
it
may
be
that
a
lesser
height
would
be
more
advantageous.
Unless
there
are
special
conditions,
therefore,
a
height
of
12
feet
(4m)
or
more
above
the
ground
is
suggested.
@
FM
broadcast
reception
1.
Keeping
the
volume
control
at
the
“0”
position,
press
the
power
pushbutton
to
the
“ON”
position.
2.
Set
the
input
selector
to
the
“FM
AUTO"
position.
3.
Release
the
tape
monitor
pushbuttons
to
the
“SOURCE”
position.
4.
Release
the
mode
pushbutton
to
the
STEREO”
position.
S.
Tune
the
receiver
to
the
desired
FM
signal.
After
roughly
locating
the
desired
FM
station
with
the
signal-strength
meter,
pinpoint
the
position
of
least
dis-
tortion
with
the
FM
center-tuning
meter,
The
stereo
indicator
illuminates
whenever
the
receiver
is
tuned
to
a
stereo
broadcast.
6.
After
pinpointing
the
desired
station,
increase
the
volume
to
the
most
comfortabie
listening
level.
7.
Make
other
adjustments
In
accordance
with
your
taste
and
the
acoustics
of
the
room.
ANTENNA’:
This
unit
includes
a
highly
sensitive
ferrite-bar
antenna
for
reception
of
AM
broadcasts
and,
therefore,
there
should
be
no
necessity
for
connection
of
an
outside
antenna
except
in
an
area
where
signals
are
especially
weak.
I
AM
outdoor
antenna
In
weak
signal
areas,
far
from
broadcasting
stations,
or
in
a
reinforced-concrete
building,
the
highly-sensitive
built-
in
ferrite-bar
antenna
alone
may
fail
to
provide
good
AM
reception.
If
so,
connect
a
length
of
vinyl-covered
wire
to
the
AM
antenna
terminal
(iabeled
“AM
ANT,”
on
the
rear
panel).
Then
place
this
antenna
outdoors
a
short
distance
away
from
the
building.
Because
the
sensitivity
of
an
outdoor
antenna
varies
greatly
with
its
position,
someone
should
listen
for
the
strongest
signals
as
the
antenna
is
oriented.
For
safety
reasons,
the
antenna
should
include
a
lightning
arrester.
igure
10
AM
outdoor
antenna
“AM
ANT"
terminal
Vinyl-covered
wire
I
AM
broadcast
reception
4.
Set
the
input
selector
to
the
“AM”
position.
2.
Release
the
tape
monitor
pushbuttons
to
the
‘SOURCE™
position.
3.
Set
the
mode
pushbutton
to
either
the
“MONO”
or
“STEREO”
position,
4,
Tune
the
receiver
to
the
desired
AM
signal.
When
the
best
tuning
has
been
tocated,
the
needle
of
the
signai-strength
meter
will
be
farthest
to
the
right.
5,
After
tuning
to
the
desired
station,
increase
the
volume
to
the
most
comfortable
listening
level.
6.
Make
other
adjustments
in
accordance
with
your
taste
and
the
acoustics
of
the
room.
Ml
Connections
Conneet
the
record
player
to
the
“PHONO”
terminais,
being
caretul
to
connect
the
left
and
right
connection
wires
cor-
rectly,
If
the
record
player
has
@
ground
wire,
connect
it
to
the
ground
("GND")
terminal.
Record
player
(magnetic
cartridge)
~s
Shielded
cabi
©
PHONO
@
Cartridge
Use
a
magnetic
cartridge
[moving-magnet
type
(MM),
in-
duced-magnet
type
(IM),
or
high-output
moving-coi!
type
(MC)]
with
an
output
of
2mV~10mV
(50mm/sec).
Ita
low-output
moving-coil
type
is
used,
it
cannot
be
con-
nected
directly
to
the
phono
terminals;
a
booster
transfor-
mer
or
head-amplifier
must
be
used.
Il
Disc
performance
1,
Set the
input
selector
to
the
PHONO”
position.
2.
Release
the
tape
monitor
pushbuttons
to
the
“SOURCE”
position,
3.
Release
the
mode
pushbutton
to
the
“STEREO”
position.
4.
Switch
the
turntable
on
and
select
the
proper
playing
speed.
5.
Place
the
tone
arm
on
the
record
and
increase
the
volume
gradually
to
the
most
comfortable
listening
level.
6.
Make
other
adjustments
in
accordance
with
your
taste
and
the
acoustics
of
the
room.
These
términals
are
for
connection
with
the
output
terminals
‘of
a
tape
deck
or
8-track
stereo,
a
semiconductor
cartridge
with
head
amplifier,
etc.
ll
Reproduction
4.
Set
the
input
selector
to
the
“AUX’
position.
2.
Release
the
tape
monitor
pushbuttons
to
the
“SOURCE”
position.
3.
Release
the
mode
pushbutton
to
the
“STEREO”
position.
4.
Sound
will
be
heard
by
operating
the
sound
source
and
turning
the
volume
contro!
clockwise.
You
can
connect
2
separate
tape
decks
directly
to
this
unit.
‘The
electronic
characteristics
of
both
tape
deck
terminals
(1
and
2)
are
identical.
Not
only
can
this
unit
be
used
for
recording
to
two
tape
decks
at
the
same
time,
but
tape
“dubbing”
(recording
from
one
tape
deck
to
another)
is
also
possible.
@
Connections
Connect
the
playback
terminals
of
this
unit
with
the
output
terminals
(“LINE
OUT")
of
the
tape
deck.
Connect
the
recording
output
terminals
of
this
unit
with
the
input
terminals
(“LINE
IN")
of
the
tape
deck.
_
Figure
12!
LINE
OUT
Tape
deck
1
LINE
IN
LINE
OUT
PLAYBACK
Tape
deck
2
i
Recording/piayback
terminal
This
is
called
the
DIN
connector,and
is
a
terminal
combining
the
functions
of
playback
and
recording.
Recording
and
playback
are
possible
by
simply
connecting
one
DIN
cord.
Caution:
Do
not
connect
a
tape
deck
to
the
DIN
terminal
and
to
the
pin-type
terminals
for
tape
deck
1
at
the
same
time.
Connect
to
only
one
or
the
other.
of
slo
Shielded
DINcord
cable
PLAYBACK
Tape
aa
eek
|
B
Tape
deck
A
IK
Playback
from
a
tape
deck
+
Select
the
tape
deck
with
the
tape
monitor
pushbuttons.
For
playback
from
tape
deck
1,
press
the
tape—1
push-
button
to
the
“TAPE
1”
position.
For
playback
from
tape
deck
2,
press
the
tape-2
push-
button
to
the
“TAPE
2”
position.
For
playback
from
tape
deck
1,
release
the
tape-2
push-
button
to
the
“SOURCE”
position.
.
Release
the
mode
pushbutton
to
the
“STEREO”
position.
.
After
preparing
the
tape
deck
for
playback,
increase
the
volume
gradually
to
the
most
comfortable
listening
level.
|.
Make
other
adjustments
in
accordance
with
your
taste
and
the
acoustics
of
the
room.
*
This
unit
is
designed
for
use
with
two
tape
decks,
but
it
has
a
special
circuit
which
allows
tape
deck
2
to
take
priority.
In
other
words,
only
tape
deck
2
is
heard
if
the
tape-1
and
tape-2
pushbuttons
are,
respectively,
in
the
TAPE
1
and
TAPE
2
positions
at
the
same
time.
WM
Recording
with
a
tape
deck
The
signal
selected
by
the
input
selector
is
emitted
from
the
“REC
OUT”
terminals
(“TAPE
1”
and
“TAPE
2”}
as
the
signal
for
recording.
in
this
instance,
all
operating
controls,
such
as
the
volume
control
and
the
tone
controls,
have
no
effect
upon
the
re-
cording.
1
2.
Set
the
input
selector
according
to
the
program
source
which
is
to
be
recorded
(FM
AUTO,
AM,
PHONO,
AUX).
Prepare
the
tape
deck
for
recording.
The
program
which
has
been
selected
with
the
input
selector
is
then
recorded
onto
the
tape.
Be
sure
to
adjust
the
recording
level
of
the
tape
deck.
.
Recording
check
A.
When
using
tape
deck
1.
Use
the
tape-1
pushbutton.
If
this
pushbutton
is
released
to
the
SOURCE”
posi-
tion,
the
sound
before
recording
can
be
heard
from
the
speakers;
if
it
is
pressed
to
the
“TAPE.
1”
position,
the
sound
which
has
just
been
recorded
is
heard
from
the
speakers.
When
using
tape
deck
1,
be
sure
to
release
the
tape~2
pushbutton
to
the
“SOURCE”
position.
B.
When
using
tape
deck
2
Use
the
tape-2
pushbutton.
If
this
pushbutton
is
released
to
the
“SOURCE”
posi-
tion,
the
sound
before
recording
can
be
heard
from
the
speakers;
if
itis
pressed
to
the
“TAPE
2”
posi-
tion,
the
sound
which
has
just
been
recorded
is
heard
fromthe
speakers.
When
using
tape
deck
2,
be
sure
to
release
the
tape-1
pushbutton
to
the
“SOURCE”
position.
C.
To
record
to
two
tape
decks
at
the
same
time.
Note
that,
when
recording
to
2
tape
decks
at
the
same
time,
the
recording
made
by
tape
deck
1
cannot
be
monitored
during
the
recording.
Il
To
record
from
tape
deck
1
to
tape
deck
2
Fe
2.
Press
the
tape-1
pushbutton
to
the
“TAPE
1”
position.
Prepare
tape
deck
1
for
playback
and
tape
deck
2
for
recording.
it
is
now
possible
to
record
the
program
of
tape
deck
1
onto
tape
deck
2. In
this
case,
all
other
controls
will
have
no
effect
on
the
recording.
—10—
3.
Check
the
recording
condition
by
using
the
tape-2
push-
button.
{f
this
pushbutton
is
released
to
the
“SOURCE”
position,
the
sound
from
tape
deck
1
will
be
heard;
if
it
is
set
to
the
“TAPE
2"
position,
the
sound
from
tape
deck
2
will
be
heard.
NOTE:
This
unit
cannot
be
used
for
recording
from
tape
deck
2
to
tape
deck
1.
CONNECTION
AND
USE
OF
HEADPHON
Connection
Connect
the
headphones
to
the
headphones
jack
at
the
left
of
the
front
panel.
Use
headphones
with
a
voice-coil
impedance
of
4
to
16
ohms.
Operation
A
signal
is
constantly
supplied
to
the
headphones
jack
regardless
of
the
on/off
setting
of
the
speaker
selection
pushbuttons.
When
listening
only
by
headphones,
set
the
speaker
selection
pushbuttons
to
the
OFF
position.
This
is
a
signal
output
terminal
for
the
discrete
four-channel
FM
broadcasts
which
are
expected
in
the
future.
To
enjoy
discrete
four-channe!
FM
broadcasts,
one
more
pair
of
speakers,
a
pre-main
amplifier
and
a
decoder
for
discrete
four-channel
broadcasts
are
necessary,
in
addition
to
the
ordinary
stereo
system.
This
terminal
is
connected
with
the
ground
wire
of
the
record
player,
tuner
and
tape
decks.
When
grounding,
use
vinyl-covered
wire
and
add
a
copper
strap
to
the
end
of
the
wire,
which
should
either
be
buried
or
connected
to
a
water
pipe
for
efficient
grounding.
Absolutely
never
attempt
to
connect
this
wire
to
a
gas
pipe.
OPERATION
CAUTIONS
Connection
wires
Wires
used
to
connect
this
unit
to
other
stereo
equipment,
such
as
a
record
player
or
a
tape
deck,
should
be
high-
quality
shielded
wire
with
low
electrostatic
capacity,
and
should,
moreover,
be
thick
wire
and
no
longer
than
neces-
sary.
Use
of
this
type
of
wire
will
minimize
the
incidence
of
induction
of
unwanted
noise
or
hum,
and
will
avoid
loss
of
high-frequency
characteristics.
Especially
note
that,
the
longer
the
wire,
the
larger
the
decrease
of
high-frequency
characteristics.
Be
sure
that
the
wire
is
no
longer
than
necessary
for
best
results.
Connection
caution
Be
sure
that
the
connections
to
the
speakers
and
the
input
sources
are
securely
made.
If
the
connections
are
not
secure,
the
receiver
will
not
operate
normally
and
may
produce
noise.
Cautions
concerning
operating
and
changing
connec-
tions
After
switching
on
the
power,
do
not
attempt
to
use
the
controls
for
a
few
moments.
The
output
of
this
unit
is
large,
and,
if
excessive
input
is
applied,
damage
to
the
speakers
may
result,
For
this
reason,
be
sure
to
decrease
the
volume
before
making
connections
or
disconnections
of
the
input
termi-
nals,
ti
Reproduction
cautions
if
unwanted
noise
such
as
hum
or
“howling”
occurs
while
listening
to
a
disc
or
tape,
and
the
receiver
is
operating
correctly,
the
noise
may
be
caused
by
one
or
more
of
the
following:
1.
If
the
record
piayer
is
placed
directly
on
or
near
a
speaker,
the
sound
vibration
from
the
speaker
may
be
transmitted,
causing
“howling.”
Move
the
record
player
from
the
speakers
or
place
a
flat
cushion
under
the
record
player,
so
that
the
vibration
is
not
transmitted
to
the
player.
.
Hum
might
be
caused
if
the
shield
and
center
core
of
the
connection
wire
are
connected
in
reverse,
or
if
the
motor
is
not
properly
grounded.
np
Circuit
protection
fuses
if
no
sound
is
heard
from
one
or
more
speakers
when
the
unit
has
been
installed
correctly
and
the
tuning
dial
is
illuminated,
turn
off
the
power
and
check
to
see
if
a
circuit
protection
fuse
(on
the
rear
pane!)
has
failed.
If
a
circuit
protection
fuse
has
failed,
replace
it
(fuse
number
XBA2C40SS0)
after
determining
the
cause
of
the
fuse
failure
(such
as
a
“shorted”
speaker
wire)
and
correcting
it.
De
not
use
any
fuse
except
the
one
Included,
or
fuse
number
XBA2C40SS0.
TECHNICAL
SPECIFICATIONS
(IHF)
1
kHz
continuous
power
output
both
channels
driven
108W
+
108W
(42)
93W
+93W
(82)
20
Hz~20
kHz
continuous
power
output
both
channels
driven
SOW
+90W
(42)
85W
+85W
(82)
Power
bandwidth
both
channels
driven
at
82
|
Total
harmonic
distortion
0.1%
at
rated
power
(20
Hz~20
kHz)
0.05%
at
half
power
(1
kHz)
0.1%
55
(82),
27.5
(49)
10
Hz~40
kHz,
-3
dB
Intermodulation
distortion
Damping
factor
Input
sensitivity
and
impedance
PHONO
2.5mV/47kao.
AUX
150mV/35k,
TAPE
2
PLAYBACK
150mV/35ka
TAPE
1
PLAYBACK,
REC/PLAY
input
180mV/40ka2
PHONO
maximum
input
voltage
(1
kHz,
RMS)
150mV
S/N
(IHF,
A)
PHONO
78
dB
AUX
95
dB
Frequency
response
PHONO
RIAA
standard
curve
£0.2
dB
AUX
20
Hz~20
kHz,
+0.5
dB
Tone
controls
BASS
50
Hz,
+13
dB~—13
dB
TREBLE
10
kHz,
+12
dB~-12
dB
Loudness
contro!
(volume
at
—
30
dB)
50
Hz,
+9
dB
Low
filter
100
Hz,
-6
dB/oct.
High
filter
7
kHz,
—6
dB/oct.
Output
voltage
TAPE
1
REC
OUT
180mV
TAPE
2
REC
OUT
150mV
TAPE
1
REC/PLAY
output
30mV
Load
Impedance
MAIN
or
REMOTE
4~162
MAIN+
REMOTE
8~160
(DIN
45
500)
1
kHz
continuous
power
output
both
channels
driven
2x
108W
(42)
2x93W
(82)
20
H2z~20
kHz
continuous
power
output
both
channels
driven
2x90W
(40)
2x
B5W
(Ba)
Power
bandwidth
both
channels
driven
at
42
:
Total
harmonic
distortion
10
Hz~40
kHz,
-3
dB
tated
power
at
40
Hz~16000
Hz,
42
0.1%
intermodulation
distortion
rated
power
at
250
Hz:
8000
Hz,=4:1,
49
0.1%
*
Frequency
response
20
Hz~20
kHz,
0.5
dB
S/N
rated
power
PHONO
65
cB
AUX
80
cB
50mW
power
output
PHONO
50
dB
AUX
50
dB
—12—
Frequency
range
Antenna
terminals
Sensitivity
Total
harmonic
distortion
MONO
STEREO
SiN
MONO
STEREO
Frequency
response
Selectivity
Capture
ratlo
Image
rejection
at
98
MHz
IF
rejection
at
98
MHz
Spurious
response
rejection
at
98
MHz
AM
suppression
Stereo
separation
1
kHz
10
kHz
Leak
carrier
19
kHz
88
kHz
88~108
MHz
3000
(balanced)
75
(unbalanced)
1.82V
0.15%
0.25%
75
dB
72
dB
20
Hz~15
kHz,
$92
ap
-08
70
d8
1.6
dB
53
dB
80
dB
78
dB
55
dB
45
4B
35
dB
—65
dB
75
dB
(DIN
45
$00)
—————________________—-
Sensitivity
Total
harmonic
distortion
1.82V,
S/N
30
dB,
3000
1.52,
S/N
20
dB,
3000
1.32V,
S/N
30
dB,
75a
0.94,
S/N
20
dB,
759
MONO
0.15%
STEREO
0.25%
S/N
MONO
56
dB
STEREO
54
dB
Leak
carrier
19
kHz
—65
dB
38
kHz
-75
dB
Limiting
point
41.02
Bandwidth
(F
amplifier
.
250
kHz
FM
demodulator
1000
KHz
Frequency
range
525-1605
kHz
Sensitivity
30KV,
2602V/m
Selectivity
22
dB
Image
rejection
at
1000
KHz
|
47
dB
IF
rejection
at
1000
kHz
40
dB
Power
consumption
Power
supply
(50
Hz/60
Hz)
650W
140V/120V/220V/240V
AC
240V
only
(For
Australia)
Dimensions
{WxHxD}
Weight
541
x
155
x
420
mm
216"
x6"
x16"
17.7
kg.
(38.9
Ib.)
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