Sharp VC-780E - Page 9

REMOVAL
AND
REASSEMBLY
OF
CASSETTE
HOUSING
CONTROL
ASSEMBLY
Notes:
1.
During
removal
and
reassembly,
be
careful
not
to
strike
the
nearby
guide
pin,
drum,
etc.
2:
Before
removal
or
reassembly,
be
sure
to
unplug
the
recorder
from
the
AC
outlet.
3.
When
removing
and
attaching
the
cassette
loading
belt,
be
careful
to
keep
it
free
from
grease.
Removal
_
Put
the
unit
in
the
cassette
eject
position.
_
Remove
the
cassette
loading
belt
©.
Disconnect
the
FFC
(Full
Flat
Cable)
@
at
the
right
side
of
the
cassette
housing
control
assembly.
Note:
Be
careful!
not
to
break
the
FFC.
4.
Remove
the
two
cassette
housing
installation
screws.
_
Move
the
cassette
housing
control
assembly
(Fig.
1-1)
in
the
direction
of
arrow
=>
®,
and
pull
it
out
straight
upward.
wn— @
wi
e® Reassembly
1.
Insert
the
tabs
of
the
cassette
housing
contro!
assembly
into
the
mechanism
chassis,
move
it
in
the
direction
of
arrow
>
@,
and
secure
tem-
porarily.
Check
to
see
if
the
cassette
housing
control
assembly
is
in
the
correct
position,
and
then
tighten
the
two
screws
(XHPS330PO06WSO)
.
_
Attach
the
cassette
loading
belt
©.
|
Connect
the
FFC
@
at
the
right
side
of
the
cassette
housing
control
assembly.
Ww A
(D
Cassette
loading
belt
@ FFC
ball 1
—
bed For
~
HM
—
1
=f
HELE +
i
Insert
the
tabs
of
the
cassette
housing
into
the
GL,
mechanism
chassis.
Figure 1-1.
(Full flat cable}
V¥U- 760
VC-790ET
REPLACEMENT
OF
WORM
WHEEL
ASSEMBLY
e
Removal
(Fig.
1
-
2)
1.
Unsolder
the
cassette
switch
connector
from
the
start
sensor
PWB
@
2?
Release
the
two
catches
@on
the
cassette
housing
frame
(R),
and
remove
the
PWB.
3.
Unscrew
one
B
tight
screw
@
to
detach
the
worm
bracket
@.
Note:
The
bearing
@
can
come
off
position
too.
So
be
careful
not
to
let
the
bearing
fall.
4.
Remove
the
worm
shaft
assembly
©,
pulley
©
and
cassette
loading
belt
@
all
from
the
cassette
housing
frame
(R).
5.
Finally
pull
the
worm
wheel
assembly
out
of
the
boss
of
the
cassette
housing
frame
(R).
e
Reassembly
(Fig.
1-2)
1.
Turn
the
phase
gear
@
clockwise
until
the
slider
comes
to
a
halt
in
the
cassette
insertion
direction.
2.
Set
up
the
worm
wheel
gear
assembly
onto
the
boss
on
the
cassette
housing
frame
(R),
matching
the
mark
©
on
the
phase
gear
@
with
the
mark
®
on
the
worm
wheel
gear.
Note:
Make
sure
that
the
slider
pin
is
in
the
groove
of
the
drive
gear
arm.
3.
Install!
the
pulley
©
and
apply
the
cassette
loading
belt
@
both
on
the
worm
shaft
assembly
©.
Couple
the
clutch
@
to
the
clutch
lever
©.
|
And
mount
them
together
in
the
cassette
housing
frame
(R)
.
4.
Attach
the
worm
bracket
@
to
the
worm
shaft
assembly
@.
Place
them
onto
the
boss
on
the
cassette
housing
frame
(R).
5.
Tighten
one
B
tight
screw
@.
Note:
Make
sure
that
the
parts
©
and
©
of
the
cassette
housing
frame
(R)
are
properly
engaged
with
the
parts
©
and
©
of
the
worm
bracket
@.
6.
Hook
the
start
sensor
PWB®@
on
the
two
positions
®
on
the
cassette
housing
frame
(R).
Note:
Check
that
the
switch
connector
is
right
in
the
cassette
switch
mounting
hole
©.
7.
Finally
resolder
the
cassette
switch
connector
to
the
start
sensor
PWB.
Notes:
1.
Do
not
overtighten
the
B
tight
screw
(no
more
than
5.0+0.5
kg.
cm),
because
otherwise
the
lower
threads
of
the
screw
hole
at
the
resin-
made
boss
may
be
broken.
2.
Keep
in
mind
that
the
clutch
switching
lever
should
be
in
the
correct
positional
relation.
The
mechanism
might
malfunction
even
if
the
lever
‘comes
slightly
out
of
position.