CDP-307ESD/‘
HOW TO OPEN THE DISC TRAY
WHEN
NOTES ON
HANDLING THE
OPTICAL
PICK-
POWER SWITCH
TURNS OFF
UP
BLOCK OR BASE
UNIT
The laser diode in the
optical pick-up block
may
suffer electrostatic breakdown because
of the
poten-
tial difference generated
by the charged electrostatic
load, etc. on clothing and the human
body.
During repair,
pay attention to electrostatic
break-
down
and also use the procedure
in
the
printed
matter which
is
included in the repair
parts.
The flexible board
is
easily
damaged
and
should be
handled with care.
NOTES ON
HANDLING THE
OPTICAL
PICK
UP
BLOCK OR BASE UNIT
Caution:
When
you
work, keep the set horizontal.
NOTES ON
LASER DIODE EMISSION CHECK
The laser beam on this
model
is
concentrated
so
as to be
focused
on the
disc reflective surface
by
the
objective lens in the
optical pick-up block. There-
fore, when checking the laser
diode
emission,
observe
from
more
than 30 cm
away from the objective lens.
DISC
TRAY REMOVAL
LASER
DIODE AND
FOCUS SERCH
OPERATION
CHECK
1
.
Make POWER switch
on
with
no disc inserted and
disc table closed.
2.
Confirm
that the following
operation is
performed
while
observing the objecting lens.
front
pane!
(?)
Confirm
that laser
beam
is pread.
(
2
)
Up
and
down
motion of
thi objective
lens.
(3
times)
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