Alpine 7390M - GR Series - Functional Parts Replacement (continued); Photo Sensor and Detector Switch Replacement

GR Series |
c.
Replacement
of
the
photo
sensor
d.
Replacement
of
the
detector
switch
(1)
Remove
four
solders
©
as
shown
in
Figure
7.
(Automatic
metal
packing
??7?)
(2)
Remove
the
photo
guide
together
with
the
(1)
Remove
2
solders
©
with
which
the
the
switch
Photo
sensor
from
the
photo
PC
board
as
is
fixed
as
shown
in
Figure
7.
shown
in
Figure
7.
(2)
Prepare
the
terminals
of
the
switch
of
the
new
(3)
Insert
the
new
photo
sensor
into
the
photo
solder
as
shown
in
Figure
8.
guide,
and
bend
the
legs
of
the
photo
sensor
(3)
After
that,
insert
the
switch
into
the
photo
PC
in
the
direction
marked
@-2
as
shown
in
board,
and
solder
the
terminals.
Figure
7.
(4)
Insert
the
photo
guide
into
the
PC
board
and
Note:
When
using
the
soldering
iron,
refer
to
Item
solder
the
legs
so
that
the
photo
sensor
is
set
2-C
to
make
sure
that
the
temperature
of
as
indicated
by
[7-7
in
Figure
7.
the
soldering
iron
and
the
soldering
time
are
proper.
Also
take
care
that
the
switch
guide
Note:
When
using
the
soldering
iron,
set
the
is
properly
fixed
and
straight.
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
Automatic
metal
detector
switch
Pack-in
detector
switch
Photo guide | |
Switch
Figure 8
Figure 7