Sony BM-840T Operating Instructions - Page 11

Maintenance, Specifications

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Maintenance Capstan Erase head Pinch roller Playback head Cleaning the heads To produce optimum sound, clean the tape heads after every 10 hours of use. Disconnect the AC power adaptor. 2 Press EJECT to open the cassette compartment lid. 3 Moisten a cotton swab or a soft cloth with alcohol, and wipe the parts shown above. Cleaning the cabinet Clean the cabinet with a soft cloth slightly moistened with a mild detergent solution. Never use strong solvents, such as thinner or benzine, since they may da-mage the finish. Specifications Tape (MICROCASSETTE) (normal position type) Track system 4-track 2-channel monaural (k channel for electronic index signals; k channel tor sound signals) Tape speed 2.4 cm/s in./s), 1.2 cm/s (I 3,l:2 in./s) Fast winding time Approx. 1 min. 50 sec. (2.4 cm/s) with Sony microcassette MC-60BM Frequency response 200 - 4,000 Hz (at 1.2 cm/s) 200 - 6,000 Hz (at 2.4 cm/s) Speaker Approx. 5.7 cm (214/ inches) dia. Power output 350 mW (at 10'7, distortion) Output EARPHONE (minijack) for 8 - 300-ohm earphones CONTROL UNIT connector for foot control unit Power requirements 9 V DC DC IN 9 V jack accepts the supplied AC power adaptor for use on 120 V AC, 60 Hz Power consumption 14 W (with the supplied AC power adaptor) Dimensions Approx. 200 x 70 x 245 mm (w/h/d) (77/f; x 274J x 91.4/ inches) including projecting parts and controls Mass Approx. 1.2 kg (2 lb 11 oz) Accessories supplied AC power adaptor (1) Foot control unit (1) Earphone (1) Design and specifications are subject to change without notice. Optional accessories Foot control unit FS-85 Earphone DE-45, DE-36 Headphones MDR-U10M Cleaning kit KK-31 Your dealer may not handle some of the above listed optional accessories. Please ask the dealer for detailed information about the optional accessories. Additional Information 11

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Maintenance
Capstan
Erase
head
Pinch
roller
Playback
head
Cleaning
the
heads
To
produce
optimum
sound,
clean
the
tape
heads
after
every
10
hours
of
use.
Disconnect
the
AC
power
adaptor.
2
Press
EJECT
to
open
the
cassette
compartment
lid.
3
Moisten
a
cotton
swab
or
a
soft
cloth
with
alcohol,
and
wipe
the
parts
shown
above.
Cleaning
the
cabinet
Clean
the
cabinet
with
a
soft
cloth
slightly
moistened
with
a
mild
detergent
solution.
Never
use
strong
solvents,
such
as
thinner
or
benzine,
since
they may
da
-
mage
the
finish.
Specifications
Tape
(MICROCASSETTE)
(normal
position
type)
Track
system
4
-track
2
-channel
monaural
(k
channel
for
electronic
index
signals;
k
channel
tor
sound
signals)
Tape
speed
2.4
cm/s
in./s),
1.2
cm/s
(I
3
,l:2
in./s)
Fast
winding
time
Approx.
1
min.
50
sec.
(2.4
cm/s)
with
Sony
microcassette
MC-60BM
Frequency
response
200
-
4,000
Hz
(at
1.2
cm/s)
200
-
6,000
Hz
(at
2.4
cm/s)
Speaker
Approx.
5.7
cm
(2
1
/
4
inches)
dia.
Power
output
350
mW
(at
10'7,
distortion)
Output
EARPHONE
(minijack)
for
8
-
300
-ohm
earphones
CONTROL
UNIT
connector
for
foot
control
unit
Power
requirements
9
V
DC
DC
IN
9
V
jack
accepts
the
supplied
AC
power
adaptor
for
use
on
120
V
AC,
60
Hz
Power
consumption
14
W
(with
the
supplied
AC
power
adaptor)
Dimensions
Approx.
200
x
70
x
245
mm
(w/h/d)
(7
7
/f;
x
2
7
4J
x
9.
1
/
4
inches)
including
projecting
parts
and
controls
Mass
Approx.
1.2
kg
(2
lb
11
oz)
Accessories
supplied
AC
power
adaptor
(1)
Foot
control
unit
(1)
Earphone
(1)
Design
and
specifications
are
subject
to
change
without
notice.
Optional
accessories
Foot
control
unit
FS
-85
Earphone
DE
-45,
DE
-36
Headphones
MDR-U10M
Cleaning
kit
KK-31
Your
dealer
may
not
handle
some
of
the
above
listed
optional
accessories.
Please
ask
the
dealer
for
detailed
information
about
the
optional
accessories.
Additional
Information
11