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PD-X9S40M
In the Test Mode. each servo circuit can be closed and
Example:
Switching from STOP
to PLAY
mode.
opened by separate operations. Consequently. each servo
must be closed one at a time (in seria] sequence) to set
The
each
servo
mechanisms
operate
in a serial
PLAY
mode.
sequence
in the Test Mode.
Note that PLAY mode is not activated by simply pressing
the PAUSE
key ( m ) in the Test Mode.
©
@
@
©
©
*
Test mode
Dt
ON
ft ON
00 ON
PLAY mode
TRACK
FWD
KEY
PLAY KEY
PAUSE
KEY
i
1
i)
'
'
'
'
'
Focus
servo
is closed
Spindle
servo
is closed
Tracking
servo
is closed
« Key Functions
in Test Mode
Key name
Function
during test mode
Description
Laser
diode
lights
up.
Actuator
is moved
up/down,
then focus servo
is closed.
:
:
Spindle starts to rotate and the servo is closed when it
PLAY
Spindle
servo
is closed.
.
>
B
;
turns
into the CLV-A
servo
mode.
Performs toggle operation. Closing the tracking servo
and becomes PLAY mode by depressing the key (Focus
servo and spindle servo must be closing), and PAUSE
indicator lights up. Tracking servo opens by depressing
the key again.
Col
TRACK
FWD
Focus servo is closed.
Tracking servo is closed/opened.
Carriage is moved towards disc center at a fast speed
of about 3 cm/sec.
Since
there
is no
safety
mechanism
to
stop
the
carriage, release the key when the carriage reaches the
end.
Carriage moves in reverse direction.
<kK)
M
ARCH
REV
BREAD
.
(towards
disc center)
Carriage is moved towards disc end at a fast speed of
about 3 cm/sec.
Since
there
is no
safety
mechanism
to
stop
the
carriage, release the key when the carriage reaches the
end.
Carriage moves in forward direction.
Ce
MA
RE RES EO REE e
{towards
disc
end)
4
oO
STOP
STOP
All servos are opened.
CD
Magazine
is ejected.
However,
pickup
does
not
pay
EJECT
(CD Magazine) EJECT
return to the park position. Moreover, even when disc is
closed the pickup remains as is.
Table 9-1
35
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