Maintenance; Concerning Cassette Tapes; Tape Head Care; If The Tape Loosens - Technics SC-CH717 Operating Instructions Manual

Mini changer system
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Maintenance
of external
surfaces
To clean this unit, use a soft, dry cloth.
If the surfaces
are extremely
dirty, use a soft cloth dipped
in a
soap-and-water
solution or a weak detergent solution.
Wring the cloth well before wiping the unit.
Wipe once again with a soft, dry cloth.
Never use alcohol,
paint thinner,
benzene,
or chemically
treated
cloths to clean this unit. Such chemicals
may damage the finish of
your system.
Tape head care
To assure sound quality for recording and playback, be sure to clean
the tape heads after approximately
every 10 hours of use.
1. Press POWER on the amplifier to ON.
2. Press _ OPEN to open the cassette holder.
3. Press POWER on the amplifier and CLOSE at
the same time.
The system will go into power standby
mode leaving the cas-
sette holder open.
4. Clean the tape heads, pinch rollers and the cap-
stan shafts with a cotton swab (or a soft, lint-
free cloth)
slightly
moistened
with isopropyl
alcohol.
Do not use any solution other than alcohol for head cleaning.
08
Pinch roller --_
)stan
Head
Ca
Cotton swab
Pinch roller
)stan
i_iiiiiiiii@
Selection
of cassette
tapes
You can use normal, chrome, and metal tapes for recording:
oThe deck automatically identifies the kind of tape loaded, and sets
the bias (for recording) and equalization accordingly.
oThe deck automatically sets the recording level.
Cassette tapes exceeding 90 minutes:
These tapes are handy for their long playback and recording time but
be careful about repeatedly stopping and starting, rewinding and fast
forwarding these tapes in short intervals as they are thin, tend to
stretch and may become entangled in the deck mechanism.
Do not use the Fe-Cr tapes (TYPE lll) in this system:
If you use this tape,
it is impossible
to obtain the required flat
frequency response.
If the tape loosens,
take up the slack
Tape slack may cause the tape to break.
@
To prevent
erasure
of recorded
sounds
Remove the erase-prevention
tabs with a screwdriver
or a similar
object.
Side A
Tab for side B
Tab for side A
To re-record
on a protected cassette,
cover the slot with adhesive
tape.
Detection hole _/Adhesive
tape
Do not cover the detection holes on chrome and metal tapes.
Improper tape storage:
You can damage tapes if you store them in the following places:
din high temperature
[35°C (95°F) or higher] or high humidity (80%
or higher) areas
din a strong magnetic field (near a speaker, on top of a TV, etc.)
This can erase a recording.
oAreas exposed to direct sunlight
57

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