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LENCO L 75 - Cartridge Installation and Setup; Interchangeable Plug-In Heads; Assembling Cartridge in Headshell; Setting Stylus Pressure

LENCO L 75
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‘secured
for
transit.
This
has
been
done
by
means
of
two
red
securing
screws
(17)
on
the
base-
plate
under
the
turntable
and
these
should
be
loosened
until
the
motor
is
freely
sprung.
The
L75
is
designed
for
use
with
220
V
50
Hz.
AC
mains
but
can
be
supplied
with
a
switchable
motor
for
use
on
115,
145
and
225
V
mai
To
ensure
perfect
running,
important
bearing
and
driving
points
should
be
cleaned
if
necessary
be-
fore
putting
on
the
turntable.
The
important
points
are.
Turntable
spindle,
underside
of
turntable,
mo-
tor
shaft
and
the
rubber
surface
of
the
idler
wheel
(28).
A
clean,
dry,
non-fluffy
cloth
should
be
used
for
cleaning.
Only
if
oil
or
grease
spots
are
present
should
the
cloth
be
sparingly
sprinkled
with
methy-
lated
spirits
or
carbon
tetrachloride.
(Benzine
must
not
be
used.)
The
turntable
should
now
be
placed
‘on
the
spindle
and
the
rubber
mat
on
the
turntable.
Push
the
|
,
counterweight
(1)
on
to
the
end
(24)
of
the
pick
up.
Interchangeable
Plug-in
Heads
The
L.75
is
usually
supplied
with
an
empty
plug-in
head,
so
that
each
user
may
select
his
own
pick-up
cartridg
empty
plug-in
head
(11)
is
complete
with
mounting
screws
for
the
popular,
internationally
standard
cartridges.
If
various
cartridges
are
selec-
ted
(e.
g.
to
play
older
78
rpm
shellac
records),
we
Suggest
that
a
separate
plug-in
head
is
purchased
for
each
one
to
facilitate
the
change
from
one
cartridge
to
another.
Assembling
of
the
Cartridge
into
the
Plug-in
Head
The
cartridge
should
be
mounted
onto
the
mounting
plate
with
the
assembly
material
provided.
The
plug-in
head
should
then
be
put
onto
the
tone-
‘arm
and
secured
by
knurled
ring
(10).
Place
the
semi-circular
cut
out
in
the
templal
round
the
pedestal
of
the
pick-up
arm
and
the
hole
‘A’
over
the
centre
spindle
of
the
turntable.
Withdraw
the
tonearm
from
the
securing
clip
(9)
push
it
towards
the
centre
of
the
turntable
and
lay
it
gently
on
the
cardboard.
Loosen
screw
(13)
on
pick-up
the
head
(11).
Slide
the
small
mounting
plate
with
the
cartridge
in
the
plug-in
head,
until
the
point
of
the
needle
is
directly
on
the
black
line
of
the
setting
gauge,
tighten
the
screw
(13).
Remove
plug-in
head
from
tonearm
and
connect
pick-up
leads
to
cartridge.
Right
channel:
R
Right
earth
channel:
GR
Left
channel:
b
Left
earth
channel:
GL
=
blue
Put
the
plug-in
head
onto
the
tonearm
again
and
secure
with
ring
(8).
Mounting
Material
2
screws
0.118
inches
long
2
screws
0.314
inches
long
2
screws
0.74
inches
long
2
screws
0.5
inches
long
2
distance
bushes
0.137
inches
long
2
mounting
screws
Setting
of
Stylus
Pressure
Setting
of
the
stylus
pressure
is
achieved
by
means
of
the
two
weights
(1
&5)
at
the
rear
end
of
the
tone-
arm.
The
large
weight
(1)
is
used
to
balance
out
the
tonearm,
whilst
the
small
weight
(5)
is
used
to
set
the
stylus
pressure.
1.
Place
the
small
weight
right
at
the
back
of
the
outrider.
2.
Balance
out
the
tonearm
by
moving
the
large
weight
(1)
along
the
rear
end
of
the
arm
until
the
arm
floats
parallel
to
the
record,
3.
The
recommended
stylus
pressure
for
the
parti-
cular
cartridge
being
used
is
then
set
with
the
‘small
weight
(6).
Stylus
pressure
is
increased
by
moving
the
weight
forward
from
its
null
point
at
the
end
of
the
outrider.
Each
notch
on
the
out-
rider
represents
0.5
P.
(P
=
pond
which
is
equi-
valent
to
grams),
In
order
to
minimise
distortion
we
suggest
that
too
low
stylus
pressures
be
avoi-
ded.
We
recommend
that
the
stylus
pressure
be
set
to
about
20
%
below
the
maximum
pressure
advised
by
the
manufacturer
of
the
particular
cartridge
being
used.
Extremely
low
stylus
pres-
sures
should
also
be
avoided
in
order
to
reduce
record
wear,
as
such
low
pressures
tend
to
cause
the
stylus
to
rattle
in
the
record
groove,
thus
causing
unnecessary
record
wear.
Table
1
of
this
instruction
booklet
contains
details
of
the
best
stylus
pressures
and
details
of
the
stylus
dimensions
of
a
range
of
pick-up
cartridges.
To
set
the
Arm
Lifting
Device
1.
Place
a
record
onto
the
turntable.
2.
Move
the
tonearm
gently
by
hand
until
the
needle
of
the
cartridge
is
just
above
the
first
groove
of
the
record.
3.
Move
the
arm-lifting
device
(8)
forward.
4.
Place
needle
on
record
and
check
whether
tone-
arm
is
horizontal,
if
not
horizontal
loosen
flange
screws
(4)
and
adjust.

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