Pioneer PD-X99M Service Manual page 33

PD-xX9SM
In the Test Mode, each servo circuit can be closed
and opened by separate operations. Consequently, each
servo must be closed one at a time (in serial sequence)
to set PLAY mode.
Example: Switching from STOP to PLAY mode.
bot ON
Testimode TRACK FWD KEY
Focus servo
is closed
e The servo mechanisms operate in a serial sequence
in the Test Mode.
¢ Key Functions in Test Mode
Symbol Key
TRACK BACK
Laser diode turned ON.
TRACK FWD Focus servo is closed.
Spindle servo is closed.
pea we:
PLAY KEY
Spindle servo
is closed
Function during test mode
Note that PLAY mode is not activated by simply press-
ing the PLAY key in the Test Mode.
While a disc is being selected or loaded, do not try to
perform other operations.
00 ON
PAUSE KEY FLAY mods
I
Tracking servo
is closed
Laser diode lights up. :
0 PAUSE
MANUAL SEARCH REV :
(towards disc center)
MANS RESEARCH EWD {towards disc end)
Tracking servo is closed/opened.
Carriage moves reverse direction.
Carriage moves forward direction.
Carriage is moved towards disc end at a fast speed of about
Icm/sec.
Since there'is no safety mechanism to stop the carriage,
release the key when the carriage reaches the end.
REPEAT Lens is moved up/down.
STOP STOP
DISC 1-6 KEY
Magazine is ejected.
Disc is selected.
Disc is loaded from magazine and clamped. Laser diode lights
up. Actuator is moved up and down twice, then the disc
is returned into magazine. Focus setvo is not closed.
All servos are opened.
Magazine is ejected. However, pickup does not return to
the park position.
A disc can be selected in the six-disc system. lf TRACK FWD
key or REPEAT key is pressed without selecting a disc, the
player automatically selects the first disc.
Table 7-1
36