JVC MX-J30 - Page 43

<
Cassette
Mechanism
Section
>
Removing
the
Playback,Recording
and
Eraser
—_
ao
i<e)
Heads
.
While
shifting
the
trigger
arms
seen
on
the
right
side
of
the
head
mount
in
the
arrow
direction,turn
the
flywheel
R
in
counterclockwise
direction
until
the
head
mount
has
gone
out
with
a click
(See Fig 1).
.When
the
flywheel
R
is
rotated
in
counterclockwise
direction,
the
playback
head
will
be
turned
in
counterclockwise
direction
from
the
position
in
Fig
2
to
that
in
Fig
3.
.
At
this
position,
disconnect
the
flexible
P.C.board
(outgoing
from
the
playback
head)
from
the
connector
CN301
on
the
head
amp.
and
mechanism
control
PC.
board.
.
After
dismounting
the
FPC
holder,remove
the
flexible P.C.board.
.
Remove
the
flexible
PC.board
from
the
chassis
base.
.
Remove
the
spring
"a"
from
behind
the
playback
head.
.
Loosen
the
reversing
azimuth
screw
retaining
the
playback head.
Take
out
the
playback
head
from
the
front
of
the
head mount.
. The recording and eraser heads should also be
removed
similarly
according
to
Steps
1~8
above.
@ Reassembling the Playback, Recording and
1.
2.
3.
4.
5.
Eraser Heads
Reassemble
the
playback
head
from
the
front
of
the
head
mount
to
the
position
as
shown
in
Fig
3.
Fix
the
reversing
azimuth
screw.
Set the spring a from behind the playback head.
Attach the flexible P.C.board to the chassis base,
and fix it with the FPC holder as shown in Fig 3.
The recording and eraser heads should also be
reassembled similarly according to Steps 1~4
above.
MX-J30/MX-J330/MX-J35R
Cassette mechanism
Head mount
Flywheel R
Trigger arm
(Mechanism A side)
Playback/Recording &
eraser head
Flexible
board
Spring "a"
Head amplifier & mechanism Flywheel R
control P.C. board
(Mechanism A side)
Playback head Reversing azimuth
screw
eo
4
Spring
‘a’
Fale
Fay
gqli=s
|
—
N00
: a = 45 mount
f.
FPC holder
Flexible
board
Head amplifier &
mechanism control
P.C. board
(Mechanism B side)
2-23