Sony BM147 Operating Instructions - Page 8

Specifications, Troubleshooting

Get Sony BM147 - Cassette Transcriber PDF manuals and user guides
UPC - 027242442795
View all Sony BM147 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 8 highlights

SPECIFICATIONS Playback system 4 track 4 channel monaural Fast winding time Approx. 2 min. 20 sec. with Sony cassette C-90 at 2.4 cm/sec. Approx. 4 min. 40 sec. with Sony cassette C-90 at 1.2 cm/sec. Frequency response 250-7000 Hz (2.4 cm/sec.) 250-4000 Hz (1.2 cm/sec.) Speaker Approx. 7 cm (27/8 inches) Power output Output 400 mW (at 10% harmonic distortion) Earphone jack (minijack) for 8-ohm earphone Power requirements 120V AC, 60 Hz 240V AC, 50 Hz (for the model available in Australia) Power consumption 200 mA 17W (for the model available in Australia) Dimensions Approx. 224 x 68 x 232 mm (w/h/d) (87/8 x 23/4 x 91/4 inches) incl. projecting parts and controls Weight Approx. 2.5 kg (5 lb 9 oz) OPTIONAL ACCESSORIES Foot control unit FS-75 Dynamic earphone DE-35, DE-36 Cassette eraser BE-9H Continued trouble-free operation of any tape recorder is dependent on the quality of the cassettes used in conjunction with it. The use of Sony cassettes is recommended for high quality recording and trouble-free operation. Design and specifications subject to change without notice. TROUBLESHOOTING Should any problem occur with the unit, make the following simple tests to determine whether or not servicing is required. If the problem persists after you have made these tests, consult the Sony dealer from whom you purchased the unit. The unit does not operate. • The AC power cord is not plugged into a wall outlet. • The power switch is set to STANDBY. Cassette cannot be inserted. • Cassette is being inserted improperly. See page 5. • The head is popped out. Press A EJECT and insert the cassette again. An alarm is heard when the foot control unit is set in forward mode. • No cassette in the cassette compartment. • The cassette inserted is not firmly locked. • The tape has been completely wound onto the right reel. The PIP- FF or '444 REW button is released in a few seconds with an alarm. • The tape has been completely wound onto the right reel (in fast forward mode) or onto the left reel (in rewind mode). Tape motion is not controlled by the FS-75. • The plug of the foot control unit is not firmly connected to the proper connector. Tape speed is too fast or slow. • TAPE SPEED is in the wrong position. • SPEED is too much towards " + " or "- ". No sound from the built-in speaker. • The volume control is turned down completely. • An earphone is plugged in. • A channel having no recorded signals on it is selected. Sound drop-outs, loss of high frequencies, or excessive noise. • Dirty head. See page 2. Unsatisfactory erasing. • Dirty head. See page 2. Sony Corporation Printed in Japan 3-765-071-24(1)

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
SPECIFICATIONS
TROUBLESHOOTING
Playback
system
Fast
winding
time
Frequency
response
Speaker
Power
output
Output
Power
requirements
Power
consumption
Dimensions
Weight
4
track
4
channel
monaural
Approx.
2
min.
20
sec.
with
Sony
cassette
C-90
at
2.4
cm/sec.
Approx.
4
min.
40
sec.
with
Sony
cassette
C-90
at
1.2
cm/sec.
250-7000
Hz
(2.4
cm/sec.)
250-4000
Hz
(1.2
cm/sec.)
Approx.
7
cm
(2
7
/
8
inches)
400
mW
(at
10%
harmonic
distortion)
Earphone
jack
(minijack)
for
8
-ohm
earphone
120V
AC,
60
Hz
240V
AC,
50
Hz
(for
the
model
available
in
Australia)
200
mA
17W
(for
the
model
available
in
Australia)
Approx.
224
x
68
x
232
mm
(w/h/d)
(8
7
/
8
x
2
3
/
4
x
9
1
/
4
inches)
incl.
projecting
parts
and
controls
Approx.
2.5
kg
(5
lb
9
oz)
OPTIONAL
ACCESSORIES
Foot
control
unit
FS
-75
Dynamic
earphone
DE
-35,
DE
-36
Cassette
eraser
BE
-9H
Continued
trouble
-free
operation
of
any
tape
recorder
is
dependent
on
the
quality
of
the
cassettes
used
in
conjunc-
tion
with
it.
The
use
of
Sony
cassettes
is
recommended
for
high
quality
recording
and
trouble
-free
operation.
Design
and
specifications
subject
to
change
without
notice.
Should
any
problem
occur
with
the
unit,
make
the
follow-
ing
simple
tests
to
determine
whether
or
not
servicing
is
required.
If
the
problem
persists
after
you
have
made
these
tests,
consult
the
Sony
dealer
from
whom
you
purchased
the
unit.
The
unit
does
not
operate.
•
The
AC
power
cord
is
not
plugged
into
a
wall
outlet.
•
The
power
switch
is
set
to
STANDBY.
Cassette
cannot
be
inserted.
•
Cassette
is
being
inserted
improperly.
See
page
5.
•
The
head
is
popped
out.
Press
A
EJECT
and
insert
the
cassette
again.
An
alarm
is
heard
when
the
foot
control
unit
is
set
in
for-
ward
mode.
•
No
cassette
in
the
cassette
compartment.
•
The
cassette
inserted
is
not
firmly
locked.
•
The
tape
has
been
completely
wound
onto
the
right
reel.
The
PIP-
FF
or
'4
4
4
REW
button
is
released
in
a
few
seconds
with
an
alarm.
•
The
tape
has
been
completely
wound
onto
the
right
reel
(in
fast
forward
mode)
or
onto
the
left
reel
(in
rewind
mode).
Tape
motion
is
not
controlled
by
the
FS
-75.
•
The
plug
of
the
foot
control
unit
is
not
firmly
connected
to
the
proper
connector.
Tape
speed
is
too
fast
or
slow.
•
TAPE
SPEED
is
in
the
wrong
position.
•
SPEED
is
too
much
towards
"
+
"
or
"—
".
No
sound
from
the
built-in
speaker.
•
The
volume
control
is
turned
down
completely.
•
An
earphone
is
plugged
in.
•
A
channel
having
no
recorded
signals
on
it
is
selected.
Sound
drop
-outs,
loss
of
high
frequencies,
or
excessive
noise.
•
Dirty
head.
See
page
2.
Unsatisfactory
erasing.
•
Dirty
head.
See
page
2.
Sony
Corporation
Printed
in
Japan
3-765-071-24(1)