Pioneer SX-424 Owners manual
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Welcome
to the
Hi-Fi equipment! Your
proud
family
new
of owners of
SX-424 AM/FM Stereo
Receiver opens up a whole variety of
listening
experiences including
record and
more.
tem for
phone.
You
parties
playing,
tape
can even use
and speeches by
FM
stereo reception,
tape recording, and many
as a
public
plugging
it
FEATURES
Pioneer
magnificent
address sys-
in a micro-
Combine
equally
speakers
and start
fully,
sound.
ing
the SX-424
quality
high
study the operating
-
with other components
off into a whole
turntable,
instructions care-
new
world
of
tape deck,
of excit-
FM
STEREO TUNER
WITH FET-EOUIPPED
FRONT END
FM
The
effect transistor
selectivity
from
decoder circuit
ing
and
SENSITIVE
tuner's RF amplifier stage is equipped with a
(FET),
resulting in higher sensitivity, better
operates
stability.
rejection
on the highly accurate,time switch-
clear-cut stereo channel separation
as wel I
and image
disturbing cross-modulation.
principle
high
assuring
operational
AM RECEPTION WITH BUILT-IN
FERRITE BAR ANTENNA
An external
because the
EASY
METER
Tuning on both
to the illuminated
(FM)
LINE
The
only on
AM antenna will not be needed in most cases,
built-in
TUNING WITH
ferrite
antenna assures high sensitivity.
SIGNAL STRENGTH
AND LARGE DIAL
FM
and AIVI
signal strength meter and the large, linear
tuning
dial.
VOLTAGE
SX-424 is available
120V, and
quick
is
AND
in two models: one
the other either of
110V, 720V, 130V, 220Y and
latter model,
the unit to the
set
greater
as
FM
The
and accurate, thanks
MPX
freedom
(stereo)
FUSE
five line voltages:
240V.If
proper
your
line voltage as
CONVERTIBLE
SYSTEM
field
By adding
OL-600A
be upgraded
sound
capab ilities.
PROVISIONS
SOURCES
One
(such
connected
ALSO
By
public
STYLED
ELEGANCE
The
front
and
Hi-Fi
model operates
SX-424 is the
follows:
the Pioneer
and two
into an
system
with both matrix and
FOR ALL
turntable,
as
connecting
one stereo
a cassette
the
to
SERVES
a microphone,
address
SX-424.
system
WITH CHARACTERISTIC
functional and at
panel
bezutifully
components.
natural wood cabinet
and
matched
INTO A 4-CHANNEL STEREO
4-channel
speaker
npre
ultra-modern
decoder
systems
COMMON
tape deck and one auxiliary
or cartridge
MICROPHONE
AS
tape
the SX
for speeches,
the same time attractive
to the styling of
amplifier, model
the
SX-424
"4-channel
discrete
player,
stereo"
4-channel
PROGRAM
source
etc.)
can
AMPLIFIER
424 can be used
announcements,
PIONEER
metallic
are impressive-looking
Pioneer
other
can
be
as a
etc.
CHANGING
remove
To
age selector in the direction of the arrow.
the fuse, turn the
Then remove the fuse
back
through the
so
that
cut
of the selector
fuse
is
to be used
fuse
2A
the
FUSE
When
fuse
for
110V,
fuse
is
correct,
REPLACEMENT
fuse
the
with a new
VOLTAGE
LINE
plug
proper
the
in the edge
is changed,
for either 220Y
120V or
replace the
blows,
remove the
one. See
SETTING
fuse
cap located
from
the unit.
voltage marking can be seen
line
of the
check
plug
Whenever
the rating
or 240Y
1-30V operation.
cap.
fuse cap and
Fig. 1.
AND FUSE
on the line
Put
of
fuse
the
position
the
the fuse. A 1A
operution and a
If the rating
replace the
volt-
plug
of
corN
Fig.
1
TJIONEEFI
_--
ASSEMBLING
Model
stereo
systems,
With
fier,
systems,
modern
SX-424
system,
the
model
is a
it
1 turntable,
help of the Pioneer
QL-600A
the
SX-424 can serve as the heart of an ultra-
4-channel
A
Stereo
can be
1
tape deck,
and
stereo
STEREO
Receiver.
combined
"4-channel decoder" ampli-
an additional
system.
INSTALLATION
Do not
o
o
o
In
In
instali
direct
damp,
the
SX-424 in
sunlight or near
places
dusty
In vibration-prone,
heating
or where
unstable
the following
places.
CONNECTION AND
OF SPEAKER
CONNECTION
o
As
shown
systems
the
correct
in Fig.
to the supplied
polarity
SYSTEMS
4, connect
speaker plugs.
and to cause
the
o.
o
For
sockets.
socket
the socket
o
For
sockets.
the main
marked
a
second
set of
Connect
marked L.
set of
Connect
speaker
the right-channel
R, and
the left-channel
speaker
in
the same
systems,
systems, use
way
SYSTEM
To obtain
with 2
etc.
See Fig.
See Fig.3.
units.
air
circulation is
a
or
pair
places:
complete
4 speaker
2.
of speaker
poor.
INSTALLATION
lead wires
no
short between
speaker
as for the first
of the
Be sure
use the
system
speaker
the
speaker
to
observe
and
@
A speaker
to the
system
B
speaker
set.
to
CARTRIDGE
TAPF PLAYEB
o
arrooa*
AM
ANTENNA
sYsrEftns
sx-424
A
RrcHr
TAPE
DECK
Fig.2
NOTE:
INSTALLATION
Optimal
corner
the left
If
at
great
a
When
SPEAKERS
set
stereo
of
a regular
and right
possible,
all
difference
using
is at least 8f,1.
pairs
two
switch
effect is
triangle
speaker
place
the
in height
of
speaker
set to A+B), make
obtained
whose
systems (approx.
speaker
affects
systems simultaneously
when
base is the line
systems
the
sure
that the impedance
the listener
B ft
at the
stereo effect.
is
connecting
to 8
ft
same
{with
of each
at one
apart).
height:
the
NEL
ffi
Fig.
Fig.4
3
ANTENNA AND
FM
ANTENNA
FM
broadcast
buildings
nearby,
antenna in
o
If
the receiver is
stations
with
wires
Stretch out
or
a wall in
determined
FM
to
o
If
orientation
background
antenna
antenna, a combination FM/TV
sigr-rals
are obstructed
and other obstacles.
high-gain
a
antenna may
accordance with
to be located
are nearby,
the SX-424.
of the
antenna to the
the antenna
such a manner that reception is
by
RECEPTION on
noise,
terminals
use the T-type
As shown in Fig. 5,
listening
of the
T-type antenna
connect an outdoor antenna
shown in
proper
to the station
page
GROUND CONNECTIONS
somewhat by mountains,
Therefore,
following
the
in a wooden building
FM
and secure it to the
8.
Fig.
antenna terminals.
6.
antenna
even if
be required.
rules:
antenna which
connect the feeder
optimum,
received.
to be
not
does
Instead of
may
a station
Select
the
and
comes
ceiling
Refer
eliminate
to
the
a special FM
be used.
is
as
ECTION
FM T.TYPE
OF
STATION
ANTENNA
AM LEAD
ANTENNA
Fis.5
NOTES:
AM
o
Refer
tuned
tion.
.
If
satisfying
insulated
Keep the
r
If
outdoor
1. A variety of FM
2. ln
locations adjacent to heavily
or near high
may not
your
When
shown in
ANTENNA
to AM
position
in,
Fig.
See
proper
the
positioning
results, stretch
wire)
other end of
lead antenna
antenna
dealer concerning
coaxial cable is used. make
RECEPTION on
special construction
be
stretched
between two
GROUNDING
o
ground
A
from
should
lead is not really
the
viewpoint of
be used.
antennas are available.
power
voltage
give
the desired
Fig
7
the ferrite
8.
transmission lines, use of
noise
a cable
antenna for optimum
of the ferrite
out the AM lead
and connect it to
the antenna lead
does not
and connect it
is required:
give
masts or other
required
safety and
your
Consult
traveled
streets, around
an
attenuation.
feeder
connection to the receiver
page
I n
(754)
such cases,
for
8. With an
the
AM
antenna does not
antenna
the AM antenna
high
as
as
satisfying results,
as shown in Fig.
vinyl-insulated
supports.
for reception.
elimination of noise,
deaier.
factories,
FM
antenna
consult
FM
antenna.
station
recep-
give
(vinyt-
terminal.
possible.
erect
6.
wire may
Still,
one
an
No
AM ANTENNA
as
(+)
OUTER
SHIELD
{BRAID)
Strip
XIAL
CABLE
the end
coaxial
Loosen the
in
B. I nsert the
end of the
Tighten
of the
cable as shown
screws
shown
stripped
coaxial
screws.
cable.
.
the
in A.
Fig.
7
Fis.8
:
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