Sony PS-X500 - Page 8

TROUBLE CHECKS
The
following
trouble
checks
will
help
you
correct
most
common
problems
encountered
with
a
turntable
system.
Should
any
pro-
blem
persist
after
you
have
made
these
checks,
consult
your
nearest
Sony
service
facility.
Before
proceeding
with
these
trouble
checks,
first
refer
to
the
con-
nections
and
the
operating
procedures
on
page
6.
TROUBLES
CAUSES
The ZERO BALANCE switch
is pushed in.
The turntable does not
rotate by pressing the
MOTOR ON/OFF button.
improper tonearm balance
adjustment.
The tonearm does not lower
or is not lifted up by press-
ing the V/V_ button.
The ZERO BALANCE switch
is pushed in.
Improper tonearm balance or
stylus force
Impaired
tone
quality
Dusty
stylus
Worn stylus
A
record
with
shallow
return
grooves
being
played
by
a
cartridge
with
low
stylus
force
Auto return does net operate
at the end of play.
Loose connection of phono
cord
No audio from one channel
Steady low-pitched humming
sound
Loose attachment of the car-
tridge shell to the tonearm.
Ground wire is not connected
to the amplifier.
Improper stylus force
Groove skipping ; tonearm
skating ; tonearm not advan-
cing. .
Turntable not level
Defective record
The turntable subjects to ex-
ternal vibration.
Loud rumble or low-
*
frequency
howl
The
turntable
is
placed
too
near the speaker.
*
This
is
called
“acoustic
feedback”
and
is
caused
when
vibrations
from
the
speakers
are
transmitted
through
the
air
or
via
solid
objects
(such
as
the
shelves,
the
cabinet,
the
floor,
etc.)
to
the
turntable,
where
it
is
picked
up
by
the
stylus,
amplified
and
reproduced
through
the
speakers
once
again.
WHAT TO DO
Press the switch again.
Adjust
the
tonearm,
referring
page
5
Press the switch again.
Adjust
the
tonearm,
referring
to
page
5.
Clean
the
stylus
with
a
soft
brush
from
back
to
front.
The
stylus
life
is
approx.
400
hours.
Replace
with
a
new
Stylus.
Apply more stylus force.
Connect the cord firmly.
Fix
the
shell
to
the
tonearm
firmly.
Connect
the
ground
wire
to
the
amplifier.
Apply proper stylus force. (See page 5.)
Place
the
turntable
on
a
level
surface.
Place
the
turntable
on
a
solid
surface
free
frt
m
ex-
ternal
vibration.
Locate
the
turntable
as
far
away
from
the
speaker
as
possible.