BIC 940 - Cartridge Installation and Adjustment

Cartridge
Installation
and Adiustment
ln
order
to
take
advantage
of the
many
features
of
the
B.l.C
tonearm,
it
is
ex-
tremely
important
that
the
cartridge
be
properly
installed
and
th e various
adjustments pertaining
to
the
cartridge
be
made.
These
are described
below.
Rotation
of
the
Cartridge
Head
All
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
contacts,
any
one
of which
may
cause
intermittent
signals
or
open
circurts.
The
B.l.C
940
employs
a
rotating
pickup
head
which
is rigidly
iocked
in
place
by
a
set
screw
lccated
on the
top
of the
tonearm, (Fig
A) Rer.nove
the
set
screw
and
rotate
the
pickup
head
counter
clockwise
BE
SURE
NOT
TO
LOSE
CR
MISPLACE
THE
SET
SCREW
IN
THE
EVENT
THIS
OCCURS,
AN EXTRA
SCREW
HAS
BEEN
SUPPLIED
THE
CARTRIDGE
HEAD
IS NOT
REMOVABLE
AND
DAMAGE
CAN
OCCUR
IF
IT IS
PULLED
FORWARD
Mounting
Cartridge
in
Head
The
B.l.C
940 is
supplied
with several
sets
of
varied
length
cartridge
rnounting
screws.
lt is
important
that the
rnounting
screws
used
are
the
correct len
gth
ln
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
sets
of
screws
supplied
with
the
B.l.C
940,
select
the
screws
that
appear to
be the
proper
length
to
pass
through
the
cartridge
mounting
bracket
Place
one
screw
through
the bracket, To
make
certain it
is
not
too
long,
place
the
bottonn
of the
cartridge
as shown
in
the
diagrarn
below
and
note
whether the
screw
projects
below
the simulated
pickup
head
rnounting
bracket
lf too
long,
use the
next
shorter
screw, When
the
correct
length
has
been selected, use
a srnall screwdriver
to
secure both
screws to
the
pickup
head
(Fig
B)
Pl
ace
Cartridge
Botto
m
Here
Th ic
k
ness
Fig. B
Wiring
Cartridge
The
chart
(Fig
C) illustrates
the
markings
at
the
rear
of
a typical
cartridge.
MAKE
CERTAIN
that
the
cartridge is
wired
as
per
the
following
diagrams,
I
@-o
O
o-@
-
Left
Grd
Irrir
re
-
Right
Grd.
,',
'3
_
Left Hot
'.
-
Right
Hot
Fig.
C
CAUTION-Never
solder
directly to
the cartridge.
DAMAGE
WILL
OCCUR.
IMPORTANT
WARNING
Tc i:rSUi'e
r'ra;<lrr.un
iraC<irg
capabiIity,
t^e
:oi'earm,',''
ng ia'ness
containing
t^e
ca'-.'clg
cl-^ec:c's
rs
nrade
of
speciai
i.git
arge
lc',,/ friction
wire.
Alt^o-g.
t'e
cortnections
are
carefully
mace.
special
care
nnust
be taken
to
avc;C
oreakrr
g
tre
press-on
cartridge
ccnnectcis
\,viile
installing
the
cartridge
ln
stallin
g
Grasp
the
ccn nector
in
th e
cenler
with
a
pair
of tr,veezers
or
needle
nosed
pliers.
Caref
ully
press
the
connector
on to
the
pin
of
the
cartridge
lf
you
have
difficulty
sliding
it
on
all
the
way,
place
a
small
screwd
river
at the
point
shown
in
the
diagrarn
and
gently
push
the
connector
in
place