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BIC 960 - Cartridge Installation and Adjustment

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Cartridge
Installation
and
Adjustment
In
order
to
take
advantage
of
the
many
features
of
the
B-l-C
tonearm,
it
is
extremely
important
that
the
cartridge
be
properly
installed
and
the
various
adjustments
pertaining
to
the
cartridge
be
made.
These
are
described
below:
Removal
of
the
Plug-In
Head
Most
automatic
turntables
use
some
form
of
cartridge
slide
or
clip
to
pre-mount
the
cartridge
and
fasten
it
to
the
arm.
Electrical
contact
for
transmission
of
the
minute
cartridge
signals
depends
on
four
surface-to-surface
pressure
con¬
tacts,
any
one
of
which
may
cause
inter¬
mittent
signals
or
open
circuits.
The
B-l-C
980
and
960
employ
a
male/female
connector
(Fig.
A),
inter¬
locked
by
a
knurled
nut.
Because
this
system
assures
permanent,
positive
contact
and
withstands
re¬
peated
use,
it
is
the
type
of
arrangement
used
on
precision
manual
players.
Remove
the
pickup
shell
from
the
tonearm
by
turning
the
shell
locking
nut
fully
counter-clockwise
until
the
nut
is
removed.
BE
SURE
NOT
TO
LOSE
OR
MISPLACE
THE
SHELL
LOCKING
NUT.
In
the
event
this
occurs
an
extra
nut
has
been
supplied.
Pull
the
shell
away
from
the
tonearm
horizontally,
separating
the
male
and
female
portions
of
the
plug-in
connector.
6
Mounting
Cartridge
in
Head
The
B-l-C
980
and
960
are
supplied
with
three
sets
of
varied
length
cartridge
mounting
screws.
It
is
important
that
the
mounting
screws
used
are
not
too
long
or
they
will
pass
through
the
shell
mounting
bracket
and
cause
the
tonearm
trim
to
raise.
In
most
cases
the
mounting
screws
supplied
by
the
cartridge
manufacturer
should
be
used.
However,
if
you
do
not
have
these
screws,
proceed
as
follows:
From
the
three
sets
of
screws
supplied
with
the
B-l-C
980
and
960,
select
the
screws
that
appear
to
be
the
proper
length
to
pass
through
the
cartridge
mounting
brackef.
Place
one
screw
through
the
bracket.
To
make
certain
it
is
not
too
long,
place
the
bottom
of
the
cartridge
as
shown
in
the
diagram
below
and
note
whether
the
screw
projects
below
the
simulated
shell
mounting
bracket.
If
too
long,
use
the
next
shorter
screw.
When
the
correct
length
has
been
selected,
use
a
small
screw
driver
to
secure
both
screws.
Cartridge
=
Bottom
^
Here
Wiring
Cartridge
Grasp
each
of
the
push-on
connectors
with
a
pair
of
long
nosed
pliers,
and
push
on
to
the
appropriate
pins
at
the
rear
of
the
cartridge.
The
chart
illustrates
the
markings
at
the
rear
of
atypical
cartridge.
MAKE
CERTAIN
that
the
cartridge
is
wired
as
per
the
following
diagram.
®
G
©1
-
B
,ueWire
LeftGrd
-Green
Wire=-
Right
Grd.
©
®
I
—
Red
Wire
=
R
ght
Hot
^-
'
Fig.
C
CAUTION—Never
solder
directly
to
the
cartridge.
DAMAGE
WILL
OCCUR
Stylus
Overhang
The
position
of
the
stylus
relative
to
the
exact
center
of
a
record
is
extremely
critical
and
relates
directly
to
distortion
during
playback.
In
the
B-l-C
980
and
960,
the
proper
overhang
of
the
stylus
is
set
by
means
of
a
separate
plastic
mounting
gauge
supplied
(Fig.
D).
Fig.
D
Temporarily
remove
the
stylus
guard
from
your
cartridge,
if
one
is
supplied.
Move
the
auto/manual
selector
to
the
M
position.
Place
the
cartridge
shell
upside
down
(stylus
facing
you)
on
a
flat
surface,
such
as
the
top
of
a
table,
or
a
stack
of
books
with
the
finger
lift
overhanging
the
edge.
Place
the
stylus
gauge
over
the
shell
firmly
pressing
it
into
the
corner
of
the
gauge
which
contains
the
slot
and
parallel
lines.
De¬
termine
the
position
of
the
stylus
in
rela¬
tion
to
the
cross-hairs
(Fig.
D)
of
the

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