Panasonic RX-DT690 - Troubleshooting Guide; Common Operational Issues; CD Playback Troubleshooting; Tape Playback Troubleshooting

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
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
instructions.
Problem
Probable
cause(s)
Suggested
Remedy
Common problems
No
operations.
ts
the
AC
power
cord
still
connected
to
the
Disconnect
the
AC
power
cord.
(When
the
batteries
are
unit
while
the
batteries
are
being
used?
used
as
the
power
source.)
[
Are
the
batteries
flat?
Replace
them
with
new
ones.
Alternatively,
use
a
household
AC
outlet
as
the
power
source.
Have
the
batteries
been
installed
incorrectly
with
Align
the
(+)
and
(-)
polarities
correctly.
their
(+)
and
(-)
polarities
reversed?
“ERROR”
appears.
Have
you
made
a
mistake
operation?
Read
the
operating
instruction
and
try
again.
“U01”
appears.
The
batteries
are
flat.
Replace
them
with
new
ones.
Altematively,
use
a
household
AC
outlet
as
the
power
source.
“U02"
appears.
Preparation
have
not
been
made
to
supply
Install
the
batteries
or
connect
the
AC
power
cord.
power
to
the
unit.
While listening to C
Play does not start. No
display of track numbers,
ate,
Has
the
CD
been
installed
upside
down?
Install
the
CD
with
the
label
side
facing
up.
Has
condensation
formed
on
the
units
CD
Tur
the
unit
on
and
leave
it
on
for
about
an
hour
section?
before
further
operation.
ls
the
CD
dirty?
Wipe
it
with
a
soft
cloth.
Is
the
CD
scratched?
Replace
with
a
new
CD.
Certain sections are not
played properly.
While listening to ta
No recording.
Have
the
tape’s
erase-prevention
tabs
been
removed?
Are the heads dirty?
Have
the
heads
been
magnetized?
Cover the holes with adhesive tape.
High level of noise; poor
sound quality.
Clean them.
Demagnetize
them
using
a
demagnetizer
available
from
an
audio
store.
While
listening
to
the
radio
High
level
of
noise;
stations
|
Has
the
antenna
been
adjusted
properly?
Try
changing
its
direction.
cannot
be
tuned
in
well.
Nolse
heard
during
AM
Are
you
using
a
remote
control
for
other
appliance
|
Use
the
remote
control
at
a
distance.
reception.
hear
the
unit?
Are
you
operating
the
unit
and
a
TV
set
at
the
Piace
the
unit
at
a
distance
from
the
TV.
same
time?
Alternatively,
turn
off
the
TV’s
power.
While using the remote control
No
operation.
Are
the
batteries
flat?
Replace
them
with
new
ones.
Have
the
batteries
been
installed
incorrectly
with
their
(+)
and
(-)
polarities
reversed?
Is
the
remote
control's
transmitter
pointed
at
the
Check
whether
anything
is
obstructing
the
path
unit’s
sensor?
between
the
two
and
point
the
remote
control
squarely
at
the
unit's
sensor
and
operate.
's
the
unit's
sensor
exposed
to
direct
suntight
or
Shield
the
sensor
from
strong
sources
of
light.
Strong
fluorescent
light?
Align the (+) and (~) polarities correctly.