Sony STR-VX10L - Trouble Checks

TROUBLE CHECKS
a
The
following
checks
will
assist
in
the
correction
of
most
problems
which
you
may
encounter
with
your
unit.
Should
any
problem
persist
after
you
have
made
these
checks,
consult
your
nearest
Sony
service
facility.
Before
going
through
the
check
list
below,
first
refer
back
to
the
connection
and
operating
procedures.
OFF-THE-AIR PROGRAMS
STEREO indicator does not light when receiving stereo programs.
@ Adjust the antenna.
@Press the FM MODE switch.
STEREO indicator flickers.
@ Adjust the antenna or connect an external FM antenna.
@ Press the FM MODE switch to disengage the stereo mode.
The function/frequency display figures do not stop at the desired
station during automatic tuning.
@ The signal strength is too weak for automatic tuning.
Adjust the antenna for optimum reception or tune in the station
with the direct access tuning system, ,
Tuning cannot be done correctly when the station preset button is
pressed.
@ Memorize the frequency correctly.
e Install or replace with new batteries for memory back-up.
Incorrect figure appear on the tunction/frequency display window.
e@ install the batteries again. (Page 9)
Severe hum or noise
@ Use shielded connecting cords.
@ Ground the receiver.
@ Avoid long horizontal runs of antenna lead.
@Keep connecting cords (or antenna lead-in) away from trans-
formers or motors, and at least 3 meters (10 feet) from TV sets and
fluorescent lights.
@ Adjust the antenna.
@ Keep the speaker cords, connecting cords and power cords from
the ferrite-bar antenna at the rear.
Ignition noise
@ install the outdoor antenna away from heavy traffic.
@ Use a shielded or coaxial lead-in for the antenna.
Electrostatic charge.
@ Ground the receiver.
14
No audio
@
Check
speaker
and
program
source
connections.
e@Check
the
settings
of
the
TAPE
MONITOR
switches.
@
Check
the
SPEAKERS
switches
setting.
e@Turn up the volume.
No
audio
from
one
channel
or
unbalanced
left
and
right
volume
@ Adjust the BALANCE control.
@Check
the
speaker
and
input
connections
of
the
inoperative
channel.
Abrupt loss of sound from one or both of the speakers *
e@Check
the
speaker
terminals
or
speaker
cord
for
a
short.
@
Remove
any
object
on
the
top
of
the
cabinet
which
might
prevent
normal
air
circulation.
Reversed left and right sound
@Check
the
speaker
cord
connection
and
speaker
location.
Lack of bass sound or obscure instrument position
@Check the speaker connection for proper phasing.
Severe hum or noise
@ Use shielded connecting cords.
e@Keep
the
connecting
cords
away
from
transformers
or
motors
and
at
least
3
meters
(10
feet)
from
TV
sets
and
fluorescent
lights.
@
Ground
the
receiver.
Rustling noise
@ Make secure connections.
eWipe
the
plugs
and
jacks
with
a
cloth
lightly
dampened
with
methanol.
*This
symptom
may
be
caused
when
the
protection
circuits
activate.
«