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Fisher MT-750 - ADJUSTMENT PROCEDURES; Measuring Instruments Required; Key Mechanical Adjustments

Fisher MT-750
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Measuring
Instruments
Required
op
ae
=
ADJUSTMENT
PROCEDURES
Tonearm
Position
Adjustment
DC
VTVM
(DC
Voltmeter
with
high
input
impedance)
Remove
the
lid
and
the
turntable.
Standard
Reflector
Stylus
pressure
Meter
Record
Disc
(Disc
with
many
programs
is
desirable.)
Push
the
<]
button
on
the
control
panel
and
move
the
Plus
Screwdriver,
Minus
Screwdriver
tonearm
to
the
place
where
the
tonearm
position
adjustment
cam
can
be
observed.
(Fig.
3)
Turn
on the
power
switch
of
the
unit.
on
-?e
4.
Adjust
the
tonearm
position
adjustment
cam,
so
that
the
tonearm
faces
perpendicular
to
the
back
wall
of
the
cabinet.
(Fig.
3)
Stylus
Pressure
Adjustment
Place
the
unit
on
a
level
surface
and
remove
the
lid.
Turn
on
the
power
switch
of
the
unit.
Push
<J
button
on the
control
panel
and
move
the
arm
to
the
place
as
illustrated
in
Fig.
1.
Adjust
the
stylus
pressure
adjustment
screw
(Fig.
2)
through
the
adjustment
hole,
so
that
the
stylus
pressure
becomes
=
Tonear
m
Position
18~2.2g.
é
Adjustment
Cam
Adjustment
Hole
Fig.
3
Stylus
Height
Adjustment
Remove
the
lid
and
the
turntable
mat.
Turn
on the
power
switch
of
the
unit.
on
ae
Push
the
<1
button
on
the
control
panel
and
move
the
tonearm
to
the
place
where
the
stylus
height
adjustment
screw
can
be
observed.
(Fig.
4)
4.
Adjust
the
stylus
height
to
the
place
6£0.5mm
above
the
turntable.
Fig.
1
Stylus
Pressure
Adjustment
Screw
Stylus
Height
Adjusting
Screw
Fig.
2
Fig.
4
—~15-

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