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Pioneer RX-731 Operating Instructions Manual page 16

Stereo double cassette deck receiver, sterec turntable

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MAINTENANCE.
CLEANING THE HEAD SECTION
The heads, capstan and pinch roller are parts which are liable to
get dirty quite easily. In particular, if the heads are dirty, the high
frequency components of the sound will not be reproduced and
the stereo balance will be impaired, resulting in a deterioration in
sound quality. It is therefore recommended that the head section
be cleaned regularly.
1. Press the EJECT switch to open the cassette door.
2. Dip a cleaning swab into the cleaning fluid and use it to wipe
the heads, capstan, and pinch roller.
NOTE :
° Clean the head as shown in the drawing.
Head
Sn
Capstan
|
1
Pinch roller
|
i
r
5
i
1
DEMAGNETIZING THE HEAD
The head becomes magnetized when you use the tape deck for
prolonged periods of time. This results in noise being generated
and the treble dropping off during recording and playback. The
head should therefore be demagnetized
regularly with a head
demagnetizer (sold separately).
For further details, refer to the
operating instructions accompanying your head demagnetizer.
NOTE:
* Do not hold screwdrivers, metal objects, or magnets close to
the heads.
« When
demagnetizing the heads, be sure the unit's POWER
switch is to the standby position.
16
<ARB1246>
REPLACING THE STYLUS
1. Remove the stylus gently.
2. Attach the new stylus to the cartridge and replace the screw.
NOTE:
° The service life of the stylus on the supplied cartridge ranges
from 800 to 1,000 hours. (After about one year if you play
records about two hours everyday. However,
the stylus may
need to be replaced earlier depending on the way it is used.)
*° Using a worn or damaged stylus can damage your records and
distort
the sound
reproduction.
Remember
to replace
the
stylus at the earliest possible date.
° Always use the PIONEER "PN-240"
as a replacement stylus.
¢ Always ask for a genuine PIONEER replacement stylus.
MAINTENANCE OF EXTERNAL SURFACES
° Use a polishing cloth or dry cloth to wipe off dust and dirt.
e When the surfaces are very dirty, wipe with a soft cloth
dipped in some neutral cleanser diluted five or six times
with water, and wrung out well, and then wipe again with
a dry cloth. Do not use furniture wax or cleaners.
® Never use thinners, benzine, insecticide sprays and other
chemicals on or near this unit, since these will corrode the
surfaces.

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