Pioneer PL-X420 Service Manual page 32

PL-xX420(BK)
13.2 DESCRIPTION OF OPERATION
13.2.1 Power-On Reset
e Returns the tonearm to the rest.
@ Only the UP light is on and all others are off
(The UP light blinks while the arm is moving).
e Turntable stops.
13.2.2 Speed Switch Fh sisi
(Push-lock SW) oor
Enables push-switch selection of 33-1/3 rpm or
45 rpm record speeds.
13.2.3 Size Switch A ck
(Push-lock SW) on
Enables push-switch selection of 30 cm or 17 cm
record sizes.
13.2.4 Repeat Switch c=]
(Momentary contact SW) 4
This switch engages or disengages repeat play. It
can be used any time. It toggles between ON and
OFF with successive pressing.
When the Repeat ON command is received after
play has ended or when the tonearm is returning to
rest after the Stop SW has been pressed, repeat
play is engaged for the next play selection; however,
the current play just finished will not be repeated —
the tonearm remains on the rest.
When the Repeat ON command is received in
any condition except when the tonearm is on the
rest, the tonearm first goes to the armrest after the
1st play is completed and then returns to the
lead-in groove to begin play again.
13.2.5 UP, DOWN SW 7
(Momentary contact SW) is
This switch raises and lowers the tonearm. It
may be engaged when the tonearm is all the way
up, when the tonearm is tracking a record, or when
the tonearm is moving down. When the tonearm is
all the way up, the switch can move the tonearm
down only; and when the tonearm is tracking a
record or moving down, the switch can raise the
tonearm only.
44
13.2.6 Play Switch
(Momentary contact SW)
This switch is used to begin fully automatic play
and may also be used to restart play from the
lead-in groove during automatic play.
a >
e If the tonearm is on the armrest, automatic play
begins.
e This switch may be engaged while the tonearm is
returning to the armrest after the Stop Switch
has been pressed. If so, automatic play begins
after the tonearm returns to the armrest.
e If this switch is engaged while the tonearm is
raised, the tonearm is placed in "down tracking
mode"'.
13.2.7 STOP SW
(Momentary contact SW)
This switch is used to stop either automatic play
or manual play, and clear the Repeat command. It
can be used at any time.
@ When the tonearm is not on the armrest, auto-
matic play will stop, the repeat command is
cleared, and the tonearm is returned to the
armrest. When the tonearm is on the armrest,
the Repeat command is cleared.
13.2.8 <a, > SW eeu! Ss
(Momentary contact SW)
This switch is used to position the tonearm
during either automatic play or manual play.
<SW--- The tonearm is lifted up and moved
toward the center of the record (to
approx. $106 mm).
> SW:-- The tonearm is lifted up and moved
toward the outside edge of the record.
(to the armrest)
@ When the tonearm is on the armrest, only <
SW is used and manual play begins.
e It is used at the completion of UP, during
DOWN, and during tracking. After completion
of UP operation, the locate operation is executed.