Sony HCD-551 - Troubleshooting Guide; Tuner Operation Issues; Cassette Deck Operation Problems; Compact Disc Operation Issues

Troubleshooting
Before
going
through
the
check
list
below,
first
refer
back
to
the
connection
and
operating
procedures.
Should
any
problem
persist
after
you
have
made
these
checks,
consult
your
nearest
Sony
dealer.
Tuner Operation ;
STEREO
indicator
blinks.
+
A
very
weak
FM
station
or
a
noisy
FM
program
is
received.
—+
Adjust
the
antenna
or
connect
an
external
FM
antenna.
Severe
hum
or
noise.
+
The
signal
strength
is
too
weak.
—»
Adjust
the
antenna,
connect
an
external
antenna
or
connect
the
ground
wire.
Cassette Deck Operation
The
@
button
does
not
activate.
*
No
tape
in
the
cassette
compartment.
*
The
tab
has
been
removed
from
the
tape.
(See
page
19.)
—+
Cover
the
opening with plastic tape.
Function
buttons
do
not
activate.
*
Cassette
compartment
is
not
fully
closed.
Recording
or
playback
cannot
be
made,
or
there
is
decrease
in
sound
level.
+
Recording/
playback
and
erase
heads
are
either
dirty
or
magnetized.
—»
Clean
or
demagnetize
the
heads.
(See
page
29.)
Excessive
wow,
flutter
or
dropout.
*
Capstan
or
pinch
roller
is
dirty.
(See
page
29.)
Unbalanced
tone
in
high
frequencies.
+
Improper
setting
of
DOLBY
NR.
—+
When
playing
back,
se!
the
switch
to
the
same
position
used
in
recording.
Compact Disc Operation
* No disc in the CD section.
*
The
unit
is
in
the
pause
mode.
—+ Press
[>
or
II
to
release
pause.
*
Moisture
condensation.
—+
Leave
the
unit
turned
on
for
about
an
hour.
*
The
disc
is
set
upside
down.
—>
Set
the
disc
with
the
label
side
up.
* The disc is tilted. —+ Set the disc correctly.
* The disc is extremely dirty.
Remote commander does not operate the unit.
Any
operation
is
not
possible.
*
The
internal
control
program
may
not
run.
—>
Turn
off
the
power
and turn it on again.
31