Crescent 900 Series Service Manual

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PLAY
-
RICORD
CONTROL KNOB
CRESCENT
MODET 9OO
Series
RECORD
LEVER
INDICATOR
FAST
FORWARD
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RADIO
-PHONO
TV
INPUT
JACK
VOLUME
CONTROL
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TONE
CONTROL
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OFF
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REC-FTASLE
Figure
I
GENERAL INFORMATION
The
Cresent
900 S91i9s.T1pe Recorder
is
designed
to record
and
play
back two
tracks
of
material on
standard width
(V4'\
recording
tape,
which doubles the
playinf
time of a
standard
5"
or 7" reel of
tape with
no loss of
frequency iesponse
or quality.'
R-ecdrdings
can be
made
from
a.radio, television receiver or
phonograph,
in
additionto
tliose made
diiectty
from
the
microphone.
Recordings
can
be piayed back through the self-contained speaker
or
in
external
speaker through use of the
Output Jack.
The Cresent Models
903
and
907
are fundamentally
identical
in construction,
the major
diff_ere,nce
being that Model
903
has a
tape_spe-ed of.3
3/4'\ per
second while Model
gb?
operaies
at
7
l/2"
per
second.
Using both channels
of
the
tap6,
tie
recording
time
for
both models is
as
f
oliows:
Size
ReeI
5rt
7"
t
hour
2 hours
Model
903
Model g0?
Speed
-3 3/4" per
sec.
Speed
-7
1/2,,
per
sec.
l/2
hour
t
hour
Models
903 and 907 are
designed
to
operate
on 60
cycle,
110-120
volts,
AC
suppty.
CAUTION:
Severe
Damage
WiIl
Result
If
Connection
Is
Made To
A Direct Current
(DC) Line"
Manufactured by:
Crescent trndustries.
Inc.
5900
W.
Touhv
Av6nue
Chicago 31,
illinois
fhis molerial
compiled
ond
published by
sAtvls & co.,
tNc.,
INDIANAPOLIS, INDIANA
Copyright
1954 .
All
Rights Reserved
DATE
5-54
sET 239
TOLDTR 3
HOWARD
lA/.