Sharp CD-ES777 Operation Manual - Page 34
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Troubleshooting chart (continued)
CD-ES777
Condensation
Sudden temperature changes, storage or operation in an extremely
humid environment may cause condensation inside the cabinet (CD
pickup, tape heads, etc.) or on the transmitter on the remote control.
Condensation can cause the unit to malfunction. If this happens,
leave the power on with no disc (or cassette) in the unit until normal
playback is possible (about 1 hour). Wipe off any condensation on
the transmitter with a soft cloth before operating the unit.
Before transporting the unit
Remove all CDs from the unit. Make sure there is no CD in the disc
tray. Then, set the unit to the power stand-by mode. Carrying the unit
with discs left inside can damage the unit.
Care of compact discs
Compact discs are fairly resistant to damage, however mistracking
can occur due to an accumulation of dirt on the disc surface. Follow
the guidelines below for maximum enjoyment from your CD
collection and player.
Do not write on either side of the disc, particularly the non-label
side from which signals are read. Do not mark this surface.
Keep your discs away from direct sunlight, heat, and excessive
moisture.
Always hold the CDs by the edges. Fingerprints, dirt, or water on
the CDs can cause noise or mistracking. If a CD is dirty or does
not play properly, clean it with a soft, dry cloth, wiping straight out
from the center, along the radius.
NO
34
Maintenance
Cleaning the tape-handling parts
Dirty heads, capstans or pinch rollers can cause poor sound and
tape jams. Clean these parts with a cotton swab moistened with
commercial head/pinch roller cleaner or isopropyl alcohol.
When cleaning the heads, pinch rollers, etc., unplug the unit which
contains high voltages.
Playback head
Capstan
Pinch roller
After long use, the deck's heads and capstans may become
magnetized, causing poor sound. Demagnetize these parts once
every 30 hours of playing/recording time by using a commercial
tape head demagnetizer. Read the demagnetizer's instructions
carefully before use.
Cleaning the CD pickup lens
In order to ensure proper operation of the CD player, preventative
maintenance (cleaning of the laser pickup lens) should be
performed periodically. Lens cleaners are commercially available.
Contact your local CD software dealer for options.
YES
Correct
Cleaning the cabinet
Periodically wipe the cabinet with a soft cloth and a diluted soap
solution, then with a dry cloth.
Caution:
Do not use chemicals for cleaning (gasoline, paint thinner, etc.). It
may damage the cabinet finish.
Do not apply oil to the inside of the unit. It may cause malfunctions.
B
C
A
TAPE 1
B
C
E
D
TAPE 2
Erase head
Recording/Playback head