Video Head Dihedral Adjustment - Sony AV-3600 Service Manual

Fig.
4-6.
The head assembly should
fit
down
snugly against the platform without
using force.
30
PG
pole piece
11. Carefully swing
the top of the Rotary Head
Drum
Assembly back
into place, support the
top with one hand
while
inserting the
two Hex-
Head
bolts
and
washers.
Do
not
tighten the
screws
all
the
way.
12.
Grasp
the top of
the
Rotary Head
Drum
As-
sembly and push
it
back and
down
against the
drum
holder so that top
surface
of the upper
drum
is
even with
that
of the
drum
holder.
Fig.
4-6.
Position
of
the
head assembly
10. Install
the
two P 4 x
8 screws
and
washers.
Rotate
the head assembly
gently to the
left
and
right until
it is
approximately
in the center
of the
angular "play" permitted
by
the mounting
screws.
Tighten the screws
alternately,
applying
torque
gradually
until
the screws
are tight.
Fig. 4-7a.
Brush
pressure adjustment
(b)
adjusting screw
base
for
head
chip
B head
Note: Also
install
two
screws
at
the
A
head
to balance the beam.
Fig. 4-7b.
Video
head
dihedral
adjustment
4-4