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Pioneer PL-L800 Service Manual page 6

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e Tracking Shutter Mounting
5. Sever the carrier base (A) ass'y positioning pin
4.
Cl RCU IT
DE S Cc RI PTI ON S
1. Insert the tonearm pivot section into the carrier
: Ligne pair
nippers (F . ae pete
base (A) ass'y and tighten the screw.
.
is positioning pin has
already been sever-
B
[AGRAM
Next screw the lamp board onto the carrier base.
ed, secure by screw in a position where the
A
BROCR ROS
Make sure that the two lead wires from the CdS
tracking shutter slit is directly over the center
ass'y do not make contact with the tonearm
of the carrier base (A) ass'y (Fig. 3-10).
CONTROL Ass'y (XWM-058)
————
_
TRANSISTOR Assy
LED Ass'y
(XWX-
(XWX-
063)
pivot section at this time.
2. Then with the tracking shutter facing the direc-
tion indicated in Fig. 3-9, insert the shutter into
the tonearm pivot, and tighten temporarily by
screwing
in until the
screw
meets
the pivot
thrust nut.
8. Arrange the tonearm operation tip to sit in the
V shaped groove in the elevation sheet.
By inserting a spacer in between the elevation
sheet and carrier (A) ass'y, and then raising the
elevation
sheet to force the tonearm onto the
sheet, tonearm
lateral movement
will also be
restricted,
thereby
making
it easier to work
with (Fig. 3-9).
MOTOR Ass'y
(PX M-093)
Ics
PD6O
INVERTER
05
Ic1
FULL
AUTO
CONTROL
ARM REST
SENSOR INPUT
END SENSOR
INPUT
DOWN SENSOR
INPUT
( LOWERING
POSITION )
7
MOTOR DRIVE
so
uP
S
DETECTOR
®
se
'DOWN
DIS
DETECTOR
—"=/7—\
'av
[|
RaT)
(y)
QUARTZ Lock
INPUT
LEAD IN
UP DETECTOR
ouTPUuT
INPUT
LEAD IN FF
AD OEE
DOWN OUTPUT
LEAD OUT
UP
OUTPUT
SENSOR INHIBIT
OUTPUT
LEAD OUT FF
MOTOR STOP
OUTPUT
Fig. 3-10 Tracking shutter mounting 2
558
ane
oOo
8
8
SPEED SELECTOR
LOCATION OUT
OUTPUT
SW INPUT
LEAD IN IND.
LOCATION IN
'OUTPUT
SW INPUT
LEAD OUT IND.
LOCATION FF
'OUTPUT
'SW INPUT
'ARM
LOCATION
( B)
17em IND
Svanr/ stor
EV INPUT
30em IND.
REPEAT INPUT
ARM LOCATION (<4)
REPEAT IND.
SIZE SELECTOR
OUTPUT
INPUT
LE | Sm gn ware am | a
ty
fom)
Tezem)
]tsoem) [REPEAT
Elevation
sheet
vss
SPEED SELECTOR]
INPUT
START / STOP
ARM ELEVATION
REPEAT
Lamp board
DISC SIZE
SPEED
SIO POWER
'SWITCH
Tracking shutter
Fig. 3-9 Tracking shutter mounting 1
4, Fit
the
tracking
shutter
onto
the tracking
shutter positioning pin on the carrier base (A)
ass'y, and retighten the screw, screwing in until
the screw again meets the tonearm pivot thrust
nut (Fig. 3-9).
r
T
r
H
com
POWER
194
'TRANSFORMER
'
1
MOTOR
CONTROL
Ass'y
(PXM-093)
POWER
SUPPLY
Assy
( XWR-010)
Ici
SPEED
CONTROL
rm
1 0 .
IC3 PO1003
19.6
PA2008
7
'SPY
| Lock
6
Rt
IC3
OSC/FREQU.
DIVIDER
4V_ 7062503P
IC4
SWITCHING
Carrier base (A)
assembly
MOTOR ASS'Y
45 LED
MOTOR ASS'Y
33 LED
Tracking ehonare"
' Positioning pin
Fig. 3-9 Tracking shutter mounting 1
MOTOR Ass'y
LOCK LED

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