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Onkyo TA-R77 Bedienungsanleitung Seite 9

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Owner Maintenance
This tape deck requires no lubrication.
Head Cleaning
Sound quality is greatly influenced by accumulation of
magnetic particles on the recording/playback head.
For
the clearest possible sound, be sure to clean the heads
periodically, normally 2 -3 times a month.
A dirty
head will cause:
@
Poor sound quality (loss of high frequencies)
@
Decreased volume
®
Skipping
@
Incomplete erasure of previous recordings
erase head
rec/pb head
capstan
S
photo sensor
pinch roller
Photo Sensor Cleaning
The auto reverse function may not operate properly if the
photo sensor is soiled. To prevent this problem, clean
the photo sensor from time to time with a cotton swab.
Pinch Roller Cleaning
Demagnetizing
Residual magnetism builds up in the heads after the cassette
deck has been used for a long period of time. This build-up
introduces noise and static into tapes and lowers the
high frequency range. To prevent this, demagnetize the
recording/playback head as well as other metal parts in
the area (like the capstan shaft) once every 50 hours of
use.
Keep the tape deck power off while using the
demagnetizer.
Also place tapes far away from the work
area.
Power Supply
Voltage Selector (on Rear Panel)
Some units are equipped with a voltage selector.
If the
unit you own has a voltage selector, be sure it is set to
the proper voltage before the power is turned on. To
change the selector to conform to the power supply in
your area, insert the tip of a screwdriver in the groove of
the switch and slide it all the way to the left or right.
i)
®@
®
®
a
220V
= 120V
at AC 220V
—>
220V
120V
at AC 120V
Note:
Units not equipped with a voltage selector can only be
used in areas where the power supply is the same as the
voltage specified on the rear panel.
FOR POWER CORDS WITHOUT PLUGS:
CAUTION
Replacement and mounting of an AC plug on the
power supply cord of this unit should be per-
formed only by qualified service personnel.
IMPORTANT:
The wires in the mains lead are
Blue:
Neutral
Brown:
Live
As the colours of the wires in the mains lead of this
unit may not correspond with the coloured markings
identifying the terminals in your plug, proceed
as
follows.
The wire which is coloured blue must be connected
to the terminal which is marked with the letter N or
coloured black.
The wire which is coloured brown must be connect-
ed to the terminal which is marked with the letter
L or coloured red.

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