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PD-T503
e REMOVAL OF SW BOARD ASSEMBLY
(BOARD
FOR U, S, AND
L POSITION
DETECTION
SW)
Note:
1.
Tray
mechanism
assembly
must
be
removed
previously
to remove
SW
board
assembly.
Manually
rotate
gear~pulley
to
a
position
where
tray
1 and
tray
2 overlap.
Remove 2 binders ) +
J, cable clamp section
&
+ &,and
CN1
through CN3 in Fig. 2-4,
Note:
Fig. 2-4
Remove
four
screws €) — @) holding
the
loading base assembly and guide—base, and two
screws @) -
holding the front panel.
Be careful that shorter ones are used for screw
"y) holding
front
panel, and screw ® holding
coupling
plate.
As
shown
in Fig.
2—5,
lift up
guide—base
towards
the back
while
pushing
in the front
panel
direction.
After
confirming
the
@
section
(Protrusion
section for positioning
the bottom
of the guide
base) in Fig. 2—5
has been removed, move
the
mechanism
toward
the rear panel by lifting up
the
back
and
making
sure
not to
damage
flexible
cable
(in
Fig.
2—4)
of
the
pickup
assembly,
Remove
the mechanism
assembly
while making
- gure
not
to
damage
@ (front
panel
screw
retaining
section), and
place at the left side of
the
unit.
Rotate
gear—pultey
by
hand
to
the
position
that
none
of the
three
switches
U, S and
L
is pressed (which
is slightly
forward
position
from
the state
that
tray
1 overlaps
tray
2).
(Refer to Fig. 2—6)
Remove
one
screw @ holding
the
SW board
assembly
and
remove
the SW
board
assembly.
When
attaching it, fix J601's lead wires to place
between
SW
board
assembly
and
chassis
as
shown
in Fig, 2-6,
Coupling
plate
Guide base
Fig. 2-5
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