Operation Troubleshooting - Casio ZD-1 Service Manual

Symptom
No operation after power cord is
plugged into an AC household outlet.
Only LCD display is scrolling.
The unit functions are not properly
when the unit is moved to a location
where the temperature is cold to warm.
Sound skip occurs during CD play.
Recording is not possible.
Even if an MD is loaded, "NO DISC" or
"ERROR" appears.
Playback sound is interrupted.
Remote controller is not possible.
Error Message when operating MD
When such a display appears
NO DISK
DISK ERR
?DISK
DISK FULL
BLANK MD
00:00
PLAYBACK MD
NAME FULL
MECHA ERR#
# means figures and symbols.
PROTECTED
TOC FULL#
# means figures and symbols.
TEMP OVER
Can't EDIT

OPERATION TROUBLESHOOTING

Cause
The unit under DEMONSTRATION mode.
Due to dew condensation of inside, the unit cannot
work properly.
The unit is used in a location subject to shock and
vibration.
The condition of the disc is bad. Dirt, scratches or warp
exists.
MD is in a state of prevention of accidental erasing.
A pre-recorded MD (MD only for play) is used.
MD is in a state of TOC FULL.
The disc is scratched.
MD is used in an unstable location subject to vibration.
Condensation has occurred.
An MD or CD is not loaded in the unit.
Cause
*An MD is not loaded.
*Data on the MD cannot be read.
*The disc is scratched.
*TOC is not written on the MD or data is abnormal.
*TOC information cannot be read.
*An MD not conforming to standards is used.
*Data other than audible data has been recorded.
*TOC information is not made properly due to shocks
or scratches on the disc.
*TOC information recorded on the MD does not
conform to the standards or cannot be read.
*Data is abnormal and an MD not conforming to the
standards is used.
*This indication is displayed when recording is made
immediately after loading an MD. It is due to the
fact that TOC information has not been read.
*There is no blank section on the MD to record on.
*A blank disc is used. (Neither music nor disc name
is written.)
*Music has not been recorded.
*Recording or editing has been made using a pre-
recorded MD (MD only for play).
*The disc name or the track name exceeds the limit
of 100 characters.
*MD does not function properly.
*The MD is in the accidental erasure prevention
state.
*There is no blank section where track numbers and
character information (disk name and track name)
can be written.
*The temperature has been markebly increased
inside the unit.
*Editing is not performed.
25
Countermeasure
Press the power button or hold the BBS
button pressed for more than 3 seconds.
Leave the unit for about one hour to let it
dry before normal operation.
Change the installation location.
Wipe the CD to remove the dirt. If the
CD is scratched or warped, it cannot be
used.
Move the accidental erasing tab to the
recordable side.
Replace it with a recordable MD.
Replace it with a new recordable MD.
Replace it with a new MD.
Move the unit to a level, stable location.
Leave the unit for about one hour to let it
dry and then operate it.
Insert an MD or CD is into the unit.
Countermeasure
*Insert an MD.
*Insert the MD again.
*Insert the MD again.
*Replace the MD with another one.
*Select another track.
*Change the MD.
*Turn off the power and write TOC again. Do not
give the unit a shock while the TOC is written.
*Replace the MD with another one.
*Erase all data on the MD and record again.
*Replace the MD with another one.
*Wait unit TOC information on the MD has finished
being read.
*Replace the MD with another recordable one.
*Use a pre-recorded MD to play.
*Use an MD on which music has been pre-
recorded.
*Replace it with a recordable MD.
*Shorten the disc name or the track name.
*Turn off the power and remove the MD.
*Move the prevention tab the recordable side.
*Replace the MD with another recordable one.
*Turn off the power and do not operate the unit
until the temperature returns to normal.
*Change the position where the music stops and
try to perform editing again.