AIWA CX-NMT50 Operating Instructions - Page 25

CARE AND MAINTENANCE TROUBLESHOOTING GUIDE Occasional care and maintenance of the unit and the software are needed to optimize the performance of your unit. To clean the cabinet Use a soft and dry cloth. If the surfaces are extremely dirty, use a soft cloth lightly moistened with mild detergent solution. Do not use strong solvents, such as alcohol, benzine or thinner as these could damage the finish of the unit. To clean the heads and tape paths After every 10 hours of use, clean the heads and tape paths with a [head cleaning cassette or cotton swab moistened with cleaning fluid or denatured alcohol. (These cleaning kits are commercially available.) When cleaning with a cotton swab, wipe the recording/playback head, erasure head (deck 2 only), capstans, and pinchrollers. I Playback :ead Cotton swab 1Pinchroller Erasure head P;nchroller After cleaning the heads and tape paths with a liquid head cleaning cassette or a moistened swab, wait until the cleaned parts are completely dry before inserting the tapes. To demagnetize the heads The heads may become magnetized after long-term use. This may ni~rrow the output range of recorded tapes and increase noise, After 20 to 30 hours use, demagnetize the heads with any commercially available demagnetizer. Care of discs q When a disc becomes dirty, wipe the disc from the center out with a cleaning cloth. If the unit fails to perform as described in these Operating Instructions, check the following guide, GENERAL There is no sound. q Is the AC cord connected properly? q Is there a bad connection? (+ page 3) q There may be a short circuit in the speaker terminals. + Disconnect the AC cord, then correct the speaker connections. q Was an incorrect function button pressed? Sound is emitted from one speaker only. q Is the other speaker disconnected? The output sound is not stereo. q Is the Karaoke function turned on? (+ page 19) An erroneous display or a malfunction occurs. + Reset the unit as stated below, TUNER SECTION There is constant, wave-like static. q Is the antenna connected properly? (+ page 3) q Is the signal weak? + Connect an outdoor antenna. The reception contains noise interferences or the sound is distorted. q ISthe system picking up external noise or multipath distortion? + Change the orientation of the antenna. + Move the unit away from other electrical appliances. CASSETTE DECK SECTION The tape does not run. q Is deck 2 in pause mode? (+ page 11) The sound is off-balance or not adequately high. q Is the playback head dirty? (+ page 24) Recording is not possible. q Is the erasure prevention tab on the tape broken off? (-+ pa!ge 12) q Is the recording head dirty? (+ page 24) Erasure is not possible. q Is the erasure head dirty? (+ page 24) * Is a metal tape being used? High frequency sound is not emitted. q Is the recording/playback head dirty? (+ page 24) CD PLAYER SECTION The CD player does not play. c Is the disc correctly inserted? (+ page 9) q Is the disc dirty? (+ page 24) q Is the lens affected by condensation? + Wait approximately one hour and try again. q After playing a disc, store the disc in its case. Do not leave the disc in places that are hot or humid. Care of tapes q Store tapes in their cases after use. q Do not leave tapes near magnets, motors, television sets, or any source of magnetism. This will downgrade the sound quality and cause noise. q Do not expose tapes to direct sunlight, or leave them in a car parked in direct sunlight. To reset If an unusual condition occurs in the display window or the cassette decks, reset the unit as follows. 1 Press the POWER button to turn off the power. 2 Press the POWER button to turn the power back on while pressing the u CLEAR button. Everything stored in memory after purchase is canceled. If the power cannot be turned off in step 1 because of a malfunction, reset by disconnecting the AC cord, and connect it again. Then carry out step 2. ENGLISH 24