Maintenance; Demagnetizing The Heads; Cleaning The Heads, Pinch Roller - JVC TD-W717TN Service Manual

MAINTENANCE
The importance of cleaning
When the tape is moving , magnetic powder and dust naturally
accumulate on the heads , capstan and pinch roller .
When they
become too dirty :
•
tone
quality deteriorates .
•
the output sound level drops
.
•
the previous sound is not erased satisfactorily
.
•
recordings are not satisfactory
.
Because of this
,
clean the heads , etc
.
every 10 hours of
use so
that optimum recordings will be made
.
Demagnetizing the heads
Magnetic objects brought close to the head or using the deck
for a long period
of time results in magnetization of the head
,
thus noise occurs
.
When the noise is excessive
,
high frequen
-
cies on the recorded tape may be erased
.
Demagnetize the heads and other metal parts that come into
contact with the tape every 20
-
30 hours of use with a head
demagnetizer ( available from your audio store )
.
Cleaning the heads , pinch roller and capstan
Wipe the heads
,
the capstan
,
etc
.
with a cotton swab with its tip
dipped In alcohol
.
For effective cleaning
,
use a cleaning kit
available from your audio store
.
After cleaning ,
be sure that the
cleaning fluid has completely dried before loading a cassette
.
Capstan
Head
demagnetizer
Pincn roller
a
Cotton
I
swab
1
Erase head Record
/
playback head
JVC
H H
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VICTOR COMPANY OF JAPAN
.
LIMITED
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2
Printed In Malaysia
VNN 2348 - 671 M
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