Marantz 6300 - 2. CIRCUIT OPERATION; 2-1. AUTO MODE; 2-2. MANUAL MODE

ADJUSTMENTS
After the cartridge is mounted, several adjust-
ments must be made to optimize turntable
performance. First, the stylus overhang must be
adjusted: then the tone arm balance, lateral
balance, tracking force, and anti-skating force.
STYLUS OVERHANG
The Model 6300 Turntable is designed to operate
with the least distortion when the tip of the
stylus is at a particular distance from the tone
arm pivot, For this reason, the cartridge shell is
slotted, allowing the cartridge with its mounting
screws to be slid toward or away from the pivot
point. This, in effect, changes the radius of the
arc described by the stylus. Supplied in the
accessory kit is a 45 RPM spindle adaptor. The
adaptor has been specially marked with an arrow
and 2 dot to aid you in setting the proper stylus
overhang. Proceed as follows:
1. With the turntable stopped, place the 45 RPM
adaptor on the center spindle with the arrow
pointing to the rear of the turntable.
2, Remove the arm from its arm rest and remove
the protective cover (if any) from the stylus.
3. Place the stylus tip over the 45 RPM adaptor
and adjust the cartridge so that the stylus tip
will be perfectly centered in the dot.
4,Make sure that the cartridge is installed
straight. The sides of the cartridge must remain
parallel to the sides of the shell.
5. Snug up the mounting screws.
Figure 4. Stylus Overhang Adjustment
VERTICAL TONE ARM BALANCE
The adjustable counterweight at the end of the
tone arm establishes tone arm balance and stylus
tracking force. Since no two types of cartridges
weigh the same, the balance and tracking force
must be adjusted for each cartridge being used.
First,
to
establish
a
point
of
reference,
the
entire
arm
assembly
(with
cartridge
installed)
must
be
balanced.
If
the
cartridge
has
a
removable
stylus
protector,
remove
it,
(as
you
would
to
play
a
record).
Release
the
tone
arm
from
the
arm
rest.
To
adjust
the
tone
arm
balance,
set
the
anti-skate
weight
at
minimum
(see
Figure
7)
and
disable
the
action
of
the
anti-skate
mechanism
by
lifting
the
anti-skate
weight
as
shown
in
Figure
5.
The
tone
arm
should
-be
positioned
so
that
the
anti-skate
mechanism
does
not
influence
the
arm.
To
balance
the
arm,
adjust
the
position
of
the
counterweight
by
rotating
it.
A
numbered
stylus
pressure
scale
plate
is
located
immediately
in
front
of
the
counterweight.
Rotating
the
scale
plate
alone
does
not
change
the
counterweight's
position.
To
change
the
balance,
grasp
and
turn
the
counterweight
itself.
Figure 5. Tone Arm Balance Adjustment