Sony PS-11 - Speed Detecting Head Position Adjustment

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Speed Detecting Head Position Adjustment
wa servo amp board
—,
1. Remove the turntable platter.
2.
Set
the
head
deck
as
shown
in
Fig,
3-6.
3. Install the turntable platter. |
4.
Set
the
SPEED
selector
switch
($2)
to
33
position.
5.
Adjust
the
PITCH
control
(33)
so
that
the
stroboscope
pattern
appears
stationary.
6.
Confirm
that
the
VTVM
reads
10
—
30mV
ac.
If
necessary,
adjust
the
position
of
the
head
deck
by
loosening
the
adjustment
screw.
Note: Confirm that the head does not touch
the turntable platter.
10—-30mV ac
Fig. 3-5.
3mm
adjustment screw
Fig. 3-6.
head deck \
speed detecting head