Features; Line Voltage Selection And Fuse; Switching Line Voltage Setting And Fuse; Fuse Replacement - Pioneer SX-990 Installation, Operation And Service Manual

FE
URES
LINE
VO
GE SELECTION AND
FUSE
SWITCHING
LINE
VOLTAGE
SETTING
ln
order
to
remove
the
fuse,
turn
the fuse cap located
on the line voltage
selector
switch in the
direction
indicated
by
an arrow. Then
remove
the
fuse plug
from the unit. Put the
fuse
plug back so that
the
proper line
voltage marking
can
be seen
through
the
cut
in the
edge
of the
plug.
Whenever
the set
position
of
the
selector switch
is
changed, check the rating of the
fuse.
A
1-ampere fuse
is
to
be used
for either 220V or
24OY
operation
and
2-ampere
fuse
for
any
of
110V, 117V,
or
130V
operation.
lf
the rating
of
the fuse is proper,
install
the fuse in the
fuse cap.
FUSE REPLACEMENT
When
the
fuse
is blown,
remove
the
fuse cap
and
reolrce
the
fuse
with
a
nerry
one.
AND
FUSE
HIGH-PERFORMANCE
FM TUNER
An
FET (field-effect transistor)
is used
in the radio-frequency
amplifir to
attain
a
high
sensitivity
and selectivity. Further,
four
lCs
(integrated
circuits) are
used
for
the
intermediate frequency amplifier
to
eliminate interference and noise.
BUILT-IN EXCELLENT FM MPX
CIRCUIT
This
wvitching
circuit
having excellent separation
and frequency
response is
built
in
for
reproduction
of reality
music.
BUI
LT-IN HIGHLY-SENSITIVE
RADIO
RECEPTION
FERRITE
ANTENNA
FOR AM
The
ferrite
antenna provides
high-sensitivity reception
of AM broadoast programs.
SPECIAL CIRCUITRY FOR VERSATILITY
The high
output given by strictly selected transistors,
two
sets
of
loudspeaker
terminals
and phono
terminals, and
the
provision
for
using
a
microphone make
Model SX'990
suitable
for the
professional
use
a
well
a
the
family
use.
A
VARIETY OF
ACCESSORIES
Accessories
include
the program
lamps
that
indicate
the program being played, the
tuning
meters
vertically
arranged
for
facilitating selection
of
an FM broadcast program,
the
loudspeaker selector
switch, tape monitor switch,
etc., all
for
enjoyable
use
of Model
sx-990.
ELEGANTLY DESIGNED FRONT
PANEL
Newly
designed knobs
are
uniquely arranged on the
silver
tone panel.
Take
off
the fuse cap by turning
it with
a coin,
etc. in the direction
indicated by
the arrow
mark.
Fis.
1