Rewing Idler Replacement; Take-Up Idler Height; Capstan Motor Pulley Height; Fast Forward - Sony AV-3600 Service Manual

3.
Adjust the height of the
Capstan
Motor
Pulley,
if
necessary.
Take-Up Idler Height
(Fast
Forward Mode)
1.
Set
the Function
Lever
to
the
FAST
FORWARD
position.
The Take-Up
Idler
is
lifted
by
the Take-
Up Cam. Make
sure that the
lower
surfaces of the
Take-Up
Idler
and
the
Take-Up Reel Table
(lower)
are in line
or that the lower surface of the
Take-
Up
Idler
is
slightly higher.
2.
If
this
condition does not
exist,
place the
Function
Lever
in
the
FORWARD
position.
Bend
Finger
A
with a
pair
of
pliers as
shown
in Fig.
4-12. to
obtain the correct
Take-up
Idler height.
4-11.
REWIND
IDLER
REPLACEMENT
1.
Check
the
Rewind
Idlers if
the
machine
is
noisy
or
does not
wind up
tape
smoothly and
rapidly
during rewind, or
if
the
Supply Reel
is
not braked
properly
when
going
from
FORWARD
to
STOP.
2.
Inspect the driving surfaces of
both Rewind
Idlers
for excessive or
uneven
wear. Inspect the
driving
surface of the
Supply Reel Assembly.
Clean
away
any
oil
or
debris
from
all
driving surfaces.
3.
Set the
Function Lever
to
STOP. Check
that the
Right
Rewind
Idler
is
clear
of the
Idler
Stopper
by
0.5 to
1
mm.
See
Fig.
4-13.
If this
condition
does not
exist,
bend
the
Idler
Stopper with a pair
of
pliers.
4.
Check
that
the contacting
surfaces
of
the
Right
and
Left
Rewind
Idlers are parallel. If
they
are
not,
bend them by
hand.
5.
Set the
Function Lever
to
STOP. Check
that the
Supply Reel
Table, Left
Rewind
Idler,
and Right
Rewind
Idler are contacting
securely.
Make
sure
at this
time that the Right
Rewind
Idler
is
disengaged
from
the Take-up Reel Table
by more
than
1
mm.
See
Fig.
4-13.
To
replace the
Rewind
Idlers
proceed
as follows.
6.
Set the Function Lever
to
FORWARD.
Pry the Re-
taining
Ring
(E5)
from
the top of the Left
Rewind
Idler shaft using a screwdriver.
Remove
the fiber
washer.
Lift
the Left
Rewind
Idler
off
its
shaft.
Fig.
4-
1 1.
Capstan
motor
pulley height
4-9