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Bell and Howell 770 User Manual

Bell and Howell 770
24 pages
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6
v
GENERAL INFORMATION
This manual
covers
the
maintenance
and repair
of
Models
770,
775G-1
and
??5G-I0
re-
corders.
AII
three
recorders
have essentially
t}te
same
transport
mechanism,
amplifier
and
spealcers.
The Models ??5G-t
and
??5G-10
are
mounted
in
combination metal
and
reinforced
plastic
cases,
and have
such features
a^s
dual recording
level lamps,
pause
control,
odometer
type
program
indicator
and
speaher
monitor switch.
The Model 7?0
recorder
is
mounted in
a leatherette
covered
wooden
case
and
is
eguipped
withasinglerecording
level lamp.
The
pause
control,
program
indicator
and speaker
monitor
switch
are
omitted.
The Model
??5G-l
recorder
is equipped
with
a combination erase-play-record
head,
that
willbereferredtoas
aShure
Brothers Head.
The
Model
770
and 775G-10
(Serial
Number
above
2702) recorders
are equipped
with
separate erlue
heads
and
play-record
heads that
will be re-
ferred
to as
Bell
& Howell
heads. These
are mounted in a
tape
gurde
block and
can be
indi-
vidually removed
or adjusted.
Circuit and
component
changes, resulting
from
ttre change
in
heads,
are
set
forth
in
the
schematic
diagram
and
parts
list.
Theserecordersaredesignedtooperate
60 cycle, 115Volts,
AC supply
only.
Before
con-
necting
to
your
line
supply,
be absolutely certain
that
it agrees
with
the
above
specifications.
Manufactured
by:
Bell
&
Howell
Co.
7125
N.
Kimball
Ave
Chicago
45,
lllinois
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oF
UI
BEIL
&
HOWELT
NAODETS
77O,
775G-1,
775G-lO
sAfirs
&
fhis
moteriol compiled
ond
published
by
co.,
lNc.,
c3 54
Copyright
'l
958
.
All Rights
Reserved
INDIANAPOIIS,
INDIANA
a
trl
5
o
u)
Tr
o
(f
m
7
ch
sET
403
TOLDER
O
v
HOWAR.D
l/.
DATE
6
.58

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Bell and Howell 770 Specifications

General IconGeneral
BrandBell and Howell
Model770
CategoryMeasuring Instruments
LanguageEnglish