Sharp CD-DK890N CD-DK890N Operation Manual - Page 42

CD-DK890N Troubleshooting chart (continued) Clearing all the memory (reset) 1 Press the ON/STAND-BY button to enter the power stand-by mode. 2 While pressing down the button and the button, press the CD button until "CLEAR ALL" appears. OPEN/ CLOSE CD References Caution: This operation will erase all data stored in memory including clock, timer settings, tuner preset, and CD program. Before transporting the unit Remove the iPod and the disc from the unit. Then, set the unit to the power stand-by mode. Carrying the unit with iPod left docked might damage both the unit and the iPod. 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 YES Correct 42 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. 5 4 3 2 1 TIMER 5 CD 4 3 2 1 TAPE 1 TAPE 2 AB C D EB C PLAYBACK (PLAY & STOP) PHONES AUDIO IN RECORD/PLAYBACK Playback head Capstan Pinch roller Erase head Recording/Playback head 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. 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.