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21
CARE AND MAINTENANCE
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 tape heads
When the tape heads are dirty;
- high frequency sound is not emitted
- the sound is not adequately high
- the sound is off-balance
- the tape cannot be erased
- the tape cannot be recorded on
After every 10 hours of use, clean the tape heads with a head
cleaning cassette.
Refer to the instructions of the cleaning cassette for details.
To demagnetize the heads
The heads may become magnetized after long-term use. This
may narrow the output range of recorded tapes and increase
noise. After 20 to 30 hours of use, demagnetize the heads with
any commercially available demagnetizer.
Care of CDs
• When a CD becomes dirty, wipe the CD from the center out
with a cleaning cloth.
• After playing a CD, store the CD in its case. Do not leave the
CD in places that are hot or humid.
Care of tapes
• Store tapes in their cases after use.
• Do not leave tapes near magnets, motors, television sets, or
any source of magnetism. This will downgrade the sound quality
and cause noise.
• Do not expose tapes to direct sunlight, or leave them in a car
parked in direct sunlight.
GENERAL
OTHER
CONNECTIONS
To reset
If an unusual condition occurs in the display window or the
cassette deck, reset the unit as follows.
1 Press POWER to turn off the power.
2 Press POWER while pressing s. Everything stored in memory
after purchase is canceled, and a demo display will appear.
3 Press POWER again to turn on the power.
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.
TROUBLESHOOTING
If the unit fails to perform as described in these Operating
Instructions, check the following guide.
GENERAL
There is no sound.
• Is the AC cord connected properly?
• Is there a bad connection? (➞ page 4)
• There may be a short circuit in the speaker terminals.
➞ Disconnect the AC cord, then correct the speaker
connections.
• Was an incorrect function button pressed?
Sound is emitted from one speaker only.
• Is the other speaker disconnected?
An erroneous display or a malfunction occurs.
➞ Reset the unit as stated below.
All the display lights turn off when the power is off.
• Is the power economizing mode activated? (➞ page 7)
The power is not turned on
➞ Disconnect the AC cord, and connect it again in a few
seconds.
TUNER SECTION
There is constant, wave-like static.
• Is the antenna connected properly? (➞ page 4)
• Is the signal weak?
➞ Connect an outdoor antenna.
The reception contains noise interferences or the sound
is distorted.
• Is the 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.
• Is the deck in pause mode? (➞ page 11)
The sound is off-balance or not adequately high.
• Is the playback head dirty? (➞ page 21)
Recording is not possible.
• Is the erasure prevention tab on the tape broken off? (➞ page
12)
• Is the recording head dirty? (➞ page 21)
Erasure is not possible.
• Is the erasure head dirty? (➞ page 21)
• Is a metal tape being used?
High frequency sound is not emitted.
• Is the recording/playback head dirty? (➞ page 21)
• Is a tape recorded without Dolby NR played back with the Dolby
NR system operating? (➞ page 12)
CD PLAYER SECTION
The CD player does not play.
• Is the disc correctly inserted? (➞ page 13)
• Is the disc dirty? (➞ page 21)
• Is the lens affected by condensation?
➞ Wait for a few hours and try again.
GENERAL