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4
4
MAINTENANCE
Follow these procedures :
1. Press the EJECT button to open the cassette
compartment.
cover, reverse the above procedure.
m Head
Cleaning
After
long usage,
tape coating or dust may
adhere
to the heads causing deterioration
of
sound.
Clean them
regularly.
Use a cotton
swab
moistened
with cleaning solution
(such
as alcohol). (Fig. 17)
Note:
1.
Some
cleaning cassettes
on the market
have
a
strong
abrasive
effect
and
scratch
the
heads.
Use cotton
swabs
instead
of cleaning
cassettes.
2.
Since the use of metal tapes is apt to collect
more
dust
on
the
heads,
clean
the
heads
more
often
to enjoy optimum
sound.
mw Cleaning the pinchroller
and the capstan
If the pinchroller or the capstan accumulate
dust,
tape
transport
may
become
unstable
resulting
from
slippage
during
recording
or
playback.
The tape can also be damaged
by
being rolled up around the capstan.
Clean
them
with
a cotton swab or a soft
cloth
moistened
with
cleaning
solution
(such
as alcohol).
(Fig. 18)
= Demagnetizing the heads
The heads may become magnetized after long usage or by having a strongly magnetized object
brought near them.
The result is a generation of noise, loss of the high frequency range, or
erasing the treble components of pre-recorded tapes and adding noise.
Demagnetize the heads on a regular basis.
m Procedure
1.
Be sure to turn "off" the power supply.
2.
Turn the demagnetizer
''on" while it is more than 30cm away from the heads. Bring the
demagnetizer near the heads and slowly move
it in a small circle four or five times.
3.
Slowly move the demagnetizer away from the heads and turn ''off" the power of the de-
magnetizer when it is about 30cm away from the heads.
=15=—
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