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MAI
NTENANCE
Cleaning
Heads
and
Tape Path
Dirty heads
and tape
path
will
cause :
.
Loss
of
high
Írequency response which results
in
poor
sound
qu
ality
.
Loss of sound
volume
in recording and
playback
.
Drop-out
.
Unsatisfactory results in tape erasing
.
lncrease of wow and flutter
Therefore, the mirror-like finish
on
the
face of all
heads and
tape
path
must
be
preserved
to
get
optimum
perÍormance.
Generally
cleaning
heads
after every
I hours
will be sufficlent.
But it is recommended to
clean
the heads
and tape
path
carefully
before
starting a
valuable recording.
1. Remove the head
cover by
pulling
it up.
2. Take the
supplied
head
cleaning tip or a soÍt cloth
and
carefully
wipe the heads
and other surfaces upon
which the
tape travels.
lf the deposits are
hard
to remove, moisten the
tip or the
cloth with a head cleaning solutíon or denatured alcohol
and
repeat cleaning.
For easier access to the
pinch
roller,
push
back the
wire lever
of
the automatic shut-off mechanism and fix it there
with a
string
or so, and then set the Function selector to
>
(FWD); for
easier
access to the capstan, set the selector to
»
(FF).
.
Remember to
remove
string when cleaning is completed.
.
Do not allow metallic materials near the heads.
'Discard
the tip or cloth after use to
prevent
contamination
of
the
cleaning
solution or alcohol remaining in the container.
Demagnetizing
Heads
Continuous use, or the accidental touch, of a
piece
of magnetized
steel
(screwdriver,
scissors, etc.)
will magnetize
the
heads,
causing an
increase in tape noise.
lt is recommended that the
heads
be demagnetized
periodically
to
maintain
optimum
per-
formance.
The SONY Head Demagnetizer
HE-2
(optional)
is
recom
mended.
Cleaning Cabinet
Clean the cabinet
with
a soft cloth and mild
detergent.
Do
not use solvents such as alcohol,
benzine or thinner as they
could mar the finish of the recorder.
Lubrication
To maintain
the optimum
performance
the
recorder, lubrication
is required
every
6 months.
Consult
your
nearest SONY
dealer
for lubrication
of
your
recorder.
Use light machine
oil and lubricate
the capstan,
pinch
roller
shaft
and
idler
shafts. Avoid
excessive lubrication.
lt willcause
slippage
of the mechanism
and contamination
of
your
tape.
Make
sure all excess
oil
is wiped
off
completely. Remove the
top
panel
and take out
the cap of
pinch
roller. Lubricate the
pinch
roller shaft,
capstan, and idler
shaÍts with 1 drop
each
of
light
machine oil.
.
Before
removing the top
panel,
disconnect
the AC cord.
26
31


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  • NECESITO EL MANUAL DE SERVICIO DE SONY STEREO CASSETTE-CORDER TC-121. GRACIAS Submitted on 15-4-2022 at 21:51

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