Sharp CP-M1, Service Manual

Page: 8 / 92

MD-M3/M1
– 8 –
■
If a problem
occurs
If
this unit functions
abnormally
during
operation,
first check
the
following
items.
If
the
unit continues
to
function
abnormally
, or
if
an
abnormality
appears
other
than
listed
below
, set
this
unit
to
the
stand-by
mode
and
discon-
nect the
AC
power
plug,
then consult
your SHARP
dealer
or
service
personnel.
TROUBLESHOOTING
General
Possible cause
Did
a
power failure occur?
Is the
volume
level
is set
to “0”?
Are the headphones connected? Are the speaker
wires
disconnected?
When a
radio
or
TV
which uses
an
indoor antenna
is
placed
near
the
unit, the
picture
on
the
TV
screen
may be
distorted
or
the
radio
may
not function
properly
.
Remedy
T
ry setting
it
again.
Set this unit
to
the
stand-by
mode and
then
turn
it
back
on.
Then, retry
the
operation.
Increase the
volume
level.
Disconnect the
headphones.
Connect the
wires
securely
.
It is
recommended
that
you
use
an external
antenna.
Symptom
The clock
is
wrong.
When a
button
is
pressed,
the
unit
does not
respond.
No sound is heard. Radios make
unusual
noise
or
the
picture on
the
TV
screen is
dis-
torted.
Symptom
A
recording
cannot
be
made.
Even though
a
disc
has
been
loaded, “MD
NO
DISC”
or
“READ
ERR” is
displayed.
Playback sounds
are
skipped.
Possible cause
Is the
MiniDisc
protected
against
accidental erasure? Did
you
try to
make
recording
on a
play-back only
MiniDisc?
Can
you see the
“DISC
FULL”
or
“T
OC FULL
” message
in
the
dis-
play? (
:number or
symbol)
The source
has
been
encoded
with
the
SCMS signal
(Serial Copy
Man-
agement System). The disc is
very
dirty
.
Is
the
unit
located
near
excessive
vibrations?
Has
condensation
formed
inside
the
unit?
Remedy
Slide the
accidental
erase
pre-
vention tab
back
to
its
original
position. Replace it
with
a
recordable
disc.
Put
in
another
recordable
disc
with recording
space
on
it.
Use another
source.
Clean
the
disc.
Place
the
unit
on
a
firm,
level
surface free
from
vibration.
Remove
the
disc
and
leave
the
power turned
on.
The
unit
should function
properly
in
about 1
hour
.
MD recording
and
playback
CD Playback
Possible cause
The disc is
loaded
up-side
down.
The disc is
very
dirty
.
The disc which
does
not
satisfy
the
standards. Is the
unit
located
near
excessive
vibrations? Has condensation
formed
inside
the
unit?
Remedy
Load
the
disc with the
correct
side up.
Clean
the
disc.
Load the correct disc. Place
the
unit
on
a
firm,
level
surface free
from
vibration.
Remove
the
disc
and
leave
the
power turned
on.
The
unit
should function
properly
in
about 1
hour
.
Symptom
Even though
a
disc
has
been
loaded, “CD
NO
DISC”
or
“ERR”
is displayed. Playback stops
in
the
middle
of
a
track, or
playback
is
not
performed
properly
.
Playback sounds
are
skipped.
Symptom
Radios make
unusual
noise
con-
secutively
.
Possible cause
The unit is
placed
near
the
TV
or
computer
.
The
antenna
direction
is
not
placed
properly
.
Remedy
When the
unit
receives
a
radio
broadcast near
a
TV
set,
a
com-
puter or
a
word-processor
,it
may
pick up
noise.
If
this
hap-
pens,try to
move
the
unit
from
the place
where
the noise
is
picked up.
Correct the antenna direction.
Radio reception
The preset
channel
cannot
be
re-
called.
Did
you
erase
the
programmed
sta-
tion?
Preset
the
channel
again.
Redo
programming.
(Continued)
Symptom
The remote
control
does
not
func-
tion or
does
not
operate
properly
.
The power
cannot
be
turned
on
from the remote control.
Possible cause
The batteries
(polarity)
are
not
in-
serted properly
.
The batteries
inside
the
remote
con-
trol are dead. The
remote
control
is
operated
from
an incorrect
distance
or
angle.
Is the
AC
power
cord
plugged
in?
Remedy
Insert properly
.
Replace the batteries. Operate it
within
a
range
of
8" (0.2m)
to 20'
(6m)
and
within
an angle
of
15
°
to
either
side
of
center
.
Connect the
AC power cord.
Remote control
When an
error
message
is
displayed,
proceed
as
follows:
Error messages BLANK MD CAN’T EDIT CAN’T REC CD NO
DISC
DISC FULL FOCUS ERR MD ERR MD NO DISC MECHA ERR* (*:Number or symbol) NAME FULL NOT AUDIO PLA
Y MD
PROTECTED READ ERR TEMP
OVER
T
OC ERR*
(*:Number or symbol) T
OC FULL*
(*:Number or symbol) T
OC W
ERR
U T
OC
ERR*
(*:Number or symbol) U T
OC
ERR
W
? DISC 00:00
Remedy
●
Replace it with another disc.
●
Change
the stop
position
of
the track
and
then try
editing
it.
●
Re-record or replace the MiniDisc.
●
Replace it with another disc.
●
Load a
CD.
●
Reload the
CD.
●
Replace
the
disc with another
recordable
disc.
●
Reload the
MiniDisc.
●
Contact the
shop
where
you
purchased
the
unit.
●
Load a MiniDisc.
●
Reload the
MiniDisc.
●
Set this unit
to
the
stand-by
mode
and
press
the MD EJECT
button.
●
Shorten the
disc
or
track
name.
●
Select another
track.
●
Replace the disc.
●
Replace it
with
another
recordable
disc.
●
Move
the write
protection
tab back
to
its
original position.
●
Reload the disc or replace it.
●
Set this
unit
to
the
stand-by
mode
and
wait
for a
while.
●
Replace it with another disc.
●
Replace it
with
another
recordable
disc.
●
Contact the
shop
where
you
purchased
the
unit.
●
Replace it with another disc.
●
Erase the
disc
and
try
recording
again.
●
Set this
unit
to
the
stand-by
mode
and
try
to
write the
T
OC
again.
(Remove
any
source
of shock
or
vibration
while
writing.)
●
Replace it with another disc.
●
Replace
the
disc with another
recordable
disc.
Meaning
●
Nothing is recorded.
●
A
track
cannot
be
edited.
●
Recording cannot
be
performed correctly
due to
vibration
or
shock
in
the
unit.
●
T
imer
recording
is impossible
or
there
is no
available space
on
the
MD.
●
A CD has not been loaded.
●
The disc data cannot be read.
●
The disc
is
out
of
recording
space.
●
A disc has not been loaded.
●
The disc data cannot be read.
●
T
rouble is
found.
●
A MiniDisc has not been loaded.
●
The disc data cannot be read.
●
There is
a
mechanical
problem
and
the
disc
is not
working
properly
.
●
The number
of
characters
for
the
disc
name
or track
name
exceeds
40.
●
The data
recorded
on
this
disc
is
not
audio
data.
●
Y
ou tried
to
record
on a
playback-only
disc.
●
The disc is
write
protected.
●
The disc
is
damaged.
●
A
T
OC
is
not written
on
the MD
or
there
is
something wrong
with
data.
●
The temperature
is
too
high.
●
The disc
is
damaged.
●
T
OC information
cannot
be
read.
●
MD not
specified.
●
There is
no
space
left
for
recording
charac-
ter information
(track
names,
disc
names,
etc.).
●
Recording is
impossible.
●
T
OC information
recorded
on
the
MD
does
not match
the MD
specifications
or
it
can-
not be
read.
●
The T
OC
information
could
not be
created
properly due
to
a
mechanical
shock
or
to
scratches on
the
disc.
●
The data
contains
an
error
.
●
Music is not being recorded.
ERROR MESSAGES