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Alpine 7619R - Page 69

Alpine 7619R
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2.
Replacement
of
the
bottom
cover
mounting
parts
a.
Replacement
of
the
eject
gear
(1)
Remove
M1.2
lock
washer
@)
as
shown
in
Figure
6.
(2
—
Pull
the
eject
pinion
out
of
the
eject
gear
and
remove
the
eject
gear
as
shown
in
Figure
6.
(3)
Apply
the
molykote
E
paste
to
the
section
@)-1,
and
mount
the
eject
gear
following
the
removal
steps
in
the
reverse
order.
After
replacement
is
finished,
make
sure
that
the
gear
rotates
smoothly.
(Refer
to
Figure
6.)
Note:
Do
not
reuse
the
used
lock
washers
for
remounting.
Take
care
to
avoid
damage
by
piercing
and
tearing.
RF
solenoid
Photo
P.C.
board
@
Figure
6
—7
b.
Replacement
of
the
RF
solenoid
(1)
Remove
two
solders
@)
and
remove
the
RF
solenoid
from
the
bottom
cover
by
pulling
it
up
as
shown
(2)
Replace
the
solenoid
with
a
new
one,
and
remount
it
following
the
removal
steps
in
the
reverse
order
as
shown
in
Figure
6.
Note:
When
removing
solder
@,
set
the
in
Figure
6.
GR
Series.
GR
Series
|
c.
Replacement
of
the
photo
sensor
(1)
Remove
four
solders
()
as
shown
in
Figure
7.
(2)
Remove
the
photo
guide
together
with
the
photo
sensor
from
the
photo
P.C.
board
as
shown
in.Figure
7.
(3)
Insert
the
new
photo
sensor
into
the
photo
guide,
and
bend
the
legs
of
the
photo
sensor
in
the
direction
marked
(@)-2
as
shown
in
Figure
7.
temperature
of
the
soldering
iron
to
350°
+
(4)
Insert
the
photo
guide
into
the
P.C.
board
and
10°
and
the
soldering
time
to
1-3
seconds.
Take
care
that
the
solder
is
not
solder
the
legs
so
that
the
photo
sensor
is
set
aoe:
loose,
that
there
is
no
shortcircuit
and
that
the
coating
is
not
damaged.
Note:
When
using
the
soldering
iron,
set
the
temperature
of
the
soldering
iron
to
350°
+
10°
and
the
soldering
time
to
1
—
3
seconds.
Take
care
that
the
solder
is
not
loose,
that
there
is
no
shortcircuit
and
that
the
coating
is
not
damaged.
Also
take
care
that
the
photo guide
is
properly
fixed
and
straight.
Photo
sensor
j
Photo
guide
|
|
i
Figure
7
d.
Replacement
of
the
detector
switch.
(Automatic
metal
pack-in)
(1)
Remove
4
solders
©)
with
which
the
switch
is
fixed
as
shown
in
Figure
7.
(2)
Prepare
the
terminals
of
the
switch
of
the
new
solder
as
shown
in
Figure
8.
(3)
After
that,
insert
the
switch
into
the
photo
P.C.
board,
and
solder
the
terminals.
Note:
When
using
the
soldering
iron,
refer
to
Item
2-C
to
make
sure
that
the
temperature
of
the
soldering
iron
and
the
soldering
time
are
proper.
Also
take
care
that
the
switch
guide
is
properly
fixed
and
straight.
Automatic
metal
detector
switch
Pack-in
detector
switch
Switch
Figure
8

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