Pioneer PL-Z93 Service Manual page 18

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® Arm Base Attachment
When mounting the subpanel assembly to the unit
(panel), set the position of the switch locker in the
subpanel assembly and the switch lever so that the
microswitch (S1: for power on/off) is in the OFF
position. Also set the tonearm above the arm rest.
Set the arm elevator to UP. Then when the
subpanel is mounted, mount the PU plate shaft in
the position shown in Fig. 9-11.
' PU lead
a
ie ge HT wire
CEG
PU p.c board | = |
Fig. 9-11 Arm base attachment
3. MICROSWITCH LEAD WIRE STYLING
CONFIRMATION (PL-Z91 only)
When attaching the mechanism assembly to the
panel, be careful that the lead wires do not contact
the select lever as shown in Fig. 9-12. If the lead
wires contact the select lever, record size detection
will malfunction.
Mechanism wl
Microswitch lead wire Solace lever-unit
Fig. 9-12 Microswitch lead wire attachment
e Start Lever Unit Attachment (PL-Z91 only)
Attach the shaft section of the start lever unit
as shown in Fig. 9-13 so that it comes between the
reset plate and start plate.
Driving plate
assembly
Fig. 9-13 Start lever unit attachment
e Spindle Assembly Attachment (PL-Z91 only)
When installing the spindle assembly, set the
cam in the mechanism stop location and verify that
the starting plate section (B) does not protrude be-
yond surface (A) of the cam. If the spindle assem-
bly is attached with the starting plate section (B)
protruding, the starting plate may be deformed,
the spindle assembly pinion gear may be scratched,
and the return function may be come disabled.
Signal plate
Fig. 9-14 Spindle assembly attachment
@ Installing the Cords (PL-Z91 only)
For the styling of the PU cord assembly and
other lead wiring, refer to Fig. 9-15.
'—PU cord assembly
Fig. 9-15 Cords stringing