Technics SC-CH950 User Manual

Troubleshooting
Guide
Before
requesting
service
for
this
unit,
check
the
chart
below
for
a
possible
cause
of
the
problem
you
are
experiencing.
Some
simple
checks
or
a
minor
adjustment
on
your
part
may
eliminate
the
problem
and
restore
proper
operation.
If
you
are
in
doubt
about
some
of
the
check
points,
or
if
the
remedies
indicated
in
the
chart
do
not
solve
the
problem,
refer
to
the
directory
of
Authorized
Service
Centers
(enclosed
with
this
unit)
to
locate
a
convenient
service
center,
or
consult
your
dealer
for
instructions.
Probable
cause(s)
Suggested
remedy
Problems common to all systems
There
is
no
sound
when
the
Volume
is
set
too
low.
Adjust
the
volume
level
with
the
volume
control
on
power
is
ON.
the
tuner
amplifier.
The
location
of
the
various
The
(+)
and
(—)
connections
to
one
of
the
Connect
the
speaker
cord
correctly.
musical
instruments
is
not
speakers
are
reversed.
well defined.
The
left
and
right
sounds
The
left
and
right
connections
to
the
speaker
are
are
reversed.
reversed.
j
The
left
and
right
connections
to
the
each
unit
are
Connect
the
each
unit's
cord
correctly.
reversed.
Only
one
speaker
is
One
of
the
wires
of
the
speaker
cord
is
Connect
the
speaker
cord
correctly.
emitting sound. disconnected.
There
is
no
sound
when
a
The
(+)
and
(—)
wires
of
the
speaker
cords
are
Switch
the
system
to
the
standby
mode,
and
source
is
being
played.
shorted.
reconnect
the
speaker
cords
so
that
they
are
not
shorted.
Then switch on the power.
Connect the speaker cord correctly.
While listening to FM broadcasts
There is a “rushing” noise
during a stereo broadcast
which is not audible during
a monaural broddcast.
You hear excessive noise
during a stereo broadcast,
and occasionally the sound
disappears.
The stereo indicator of the
tuner amplifier flickers and
does not light completely.
The sound during a stereo
broadcast is highly distored.
The
transmitting
station
is
a
long
distance
away.
elf
you
are
using
an
indoor
antenna,
change
to
an
outdoor antenna.
elf you are using a high-grade outdoor antenna, try
changing the installation location, height, and
orientation.
The installation location and orientation of the
antenna are unsuitable.
The transmitting station is a long distance away.
The
power
of
the
TV
set
or
VCR
is
ON.
Try
switching
off
the
TV
set
or
VCR.
There
is
a
building
or
mountain
nearby.
[Distortion
Use
a
high-grade
outdoor
antenna,
and
install
It
in
a
is
caused
by
interference
between
the
signal
from
good
location,
height,
and
orientation
for
reception.
the transmitting station (direct wave) and the
signal reflected from the building or mountain
(reflected wave).]
While listening to MW/LW broadcasts
You
hear
an
unusual
beat
You
are
using
the
system
at
the
same
time
you
Switch
off
the
TV
set,
or
use
the
system
farther
away
sound.
are
playing
a
TV
set.
from
it.
You
hear
a
low-frequency
The
antenna
wire
is
near
the
power
cord.
Separate
the
antenna
wire
from
the
power
cord.
hum.

Technics SC-CH950 Specifications

General

Brand	Technics
Model	SC-CH950
Category	Stereo System
Language	English