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3139 116 19441 (ENG)
24
MAINTENANCE TROUBLESHOOTING
Maintenance
Cleaning the Cabinet
• Use a soft cloth slightly moistened
with a mild detergent solution. Do
not use a solution containing alcohol,
spirits, ammonia or abrasives.
Cleaning Discs
• When a disc
becomes dirty, clean
it with a cleaning
cloth. Wipe the disc
from the center out.
• Do not use solvents
such as benzine,
thinner, commercially available
cleaners, or antistatic spray intended
for analog records.
Cleaning the CD lens
• After prolonged use, dirt or dust may
accumulate at the CD lens. To ensure
good playback quality, clean the CD
lens with Philips CD Lens Cleaner or
any commercially available cleaner.
Follow the instructions supplied with
cleaner.
Cleaning the Heads and the Tape
Paths
• To ensure good recording and
playback quality, clean the heads, the
capstan(s), and pressure roller(s)
after every 50 hours of tape
operation.
• Use a cotton swab slightly moistened
with cleaning fluid or alcohol.
• You can also clean the heads by
playing a cleaning tape once.
Demagnetizing the heads
• Use a demagnetizing tape available at
your dealer.
Warning! Under no
circumstances should you try to
repair the set yourself as this will
invalidate the guarantee. Do not
open the set as there is a risk of
electric shock.
• If a fault occurs, check the points
listed below before taking the system
for repair.
• Should any problems persist after
you have made these checks, consult
your nearest dealer or service center.
CD Player Operation
“NO DISC” is displayed.
• The disc is inserted upside down.
™ Place CD with printed side up.
• Moisture condensation at the lens.
™ Wait until lens has adjusted to normal
room temperature.
• There is no disc in the CD tray.
™ Insert a CD.
• The CD is dirty, badly scratched or
warped.
™ Clean or replace the CD.
• The CD lens is dirty or dusty.
™ See section under Maintenance (page
24).
“DISC NOT FINALIZED” is
displayed.
• The CD-RW or CD-R disc is not
properly recorded for use with a
standard CD player.
™ Read the instruction booklet of your
CD-Rewritable or CD-Recorder on how
to finalize a recording.
• The CD is badly scratched or dirty.
™ Replace or clean CD.
Radio Reception
Poor radio reception.
• The signal is too weak.
™ Adjust the antenna.
™ Connect an external antenna for
better reception.
• The TV or VCR is too close to the
stereo system.
™ Separate the stereo system from the
TV or VCR.
pg 01-28/C50-C70/37-Eng 18/11/1999, 2:39 PM24